diff --git a/assignments/nbproject/genfiles.properties b/assignments/nbproject/genfiles.properties
index 81515a0c3dec1f6ab1d66241d0881f2f5426139c..1e5930a6e750414589c4a0e3c59358da0a8ace52 100644
--- a/assignments/nbproject/genfiles.properties
+++ b/assignments/nbproject/genfiles.properties
@@ -1,5 +1,5 @@
-# This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
-# Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
-nbproject/build-impl.xml.data.CRC32=5eaf4250
-nbproject/build-impl.xml.script.CRC32=013963da
-nbproject/build-impl.xml.stylesheet.CRC32=830a3534@1.80.1.48
+# This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
+# Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
+nbproject/build-impl.xml.data.CRC32=ad8aeeb2
+nbproject/build-impl.xml.script.CRC32=bd12e823
+nbproject/build-impl.xml.stylesheet.CRC32=f89f7d21@1.95.0.48
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/BrittSimulation.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/BrittSimulation.java
new file mode 100644
index 0000000000000000000000000000000000000000..d5a2909abd3d68c07c88c2745ffd765d5cb40152
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/BrittSimulation.java
@@ -0,0 +1,477 @@
+/**
+ * Copyright (c) 2008-2020, MOVES Institute, Naval Postgraduate School (NPS). All rights reserved.
+ * This work is provided under a BSD open-source license, see project license.html and license.txt
+ */
+package MV3500Cohort2020JulySeptember.homework4.Britt;
+
+import MV3500Cohort2020JulySeptember.homework4.White.working.*;
+import MV3500Cohort2020JulySeptember.homework4.White.*;
+import edu.nps.moves.dis7.enumerations.*;
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class BrittSimulation
+{
+    // class variables
+    PduFactory pduFactory = new PduFactory();
+    DisThreadedNetworkInterface disNetworkInterface;
+    DisThreadedNetworkInterface.PduListener pduListener;
+    Pdu receivedPdu;
+    
+    private String networkAddress = "10.1.105.7";
+    private int    networkPort    = 2317;
+    
+    /**
+     * Constructor design goal: additional built-in initialization conveniences can go here
+     * to keep student efforts focused on the runSimulation() method.
+     */
+    public BrittSimulation()
+    {
+        // Under consideration.  Constructor is not currently needed.
+    }
+    
+    /**
+     * Utility Constructor
+     * @param address network address to use
+     * @param port corresponding network port to use
+     */
+    public BrittSimulation(String address, int port)
+    {
+        setNetworkAddress(address);
+        
+        setNetworkPort(port);
+    }
+
+    /**
+     * @return the networkAddress
+     */
+    public String getNetworkAddress()
+    {
+        return networkAddress;
+    }
+
+    /**
+     * @param networkAddress the networkAddress to set
+     */
+    public final void setNetworkAddress(String networkAddress)
+    {
+        this.networkAddress = networkAddress;
+    }
+
+    /**
+     * @return the networkPort
+     */
+    public int getNetworkPort()
+    {
+        return networkPort;
+    }
+
+    /**
+     * @param networkPort the networkPort to set
+     */
+    public final void setNetworkPort(int networkPort)
+    {
+        this.networkPort = networkPort;
+    }
+
+    /**
+     * Initialize network interface, choosing best available network interface
+     */
+    public void setUpNetworkInterface()
+    {
+        disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort());
+        
+        System.out.println("Network confirmation: address=" + disNetworkInterface.getMcastGroup() + " port=" + disNetworkInterface.getDisPort());
+        pduListener = new DisThreadedNetworkInterface.PduListener()
+        {
+            /** Callback handler for listener */
+            @Override
+            public void incomingPdu(Pdu newPdu)
+            {
+                receivedPdu = newPdu;
+            }
+        };
+        disNetworkInterface.addListener(pduListener);
+    }
+
+    /** All done, release network resources */
+    public void tearDownNetworkInterface()
+    {
+        disNetworkInterface.removeListener(pduListener);
+        disNetworkInterface.kill();
+        disNetworkInterface = null;
+    }
+
+    /** 
+     * Send a single Protocol Data Unit (PDU) of any type
+     * @param pdu the pdu to send
+     */
+    private void sendSinglePdu(Pdu pdu)
+    {
+        try
+        {
+            disNetworkInterface.send(pdu);
+            Thread.sleep(100); // TODO consider refactoring the wait logic and moving externally
+        } 
+        catch (InterruptedException ex)
+        {
+            System.err.println(this.getClass().getName() + " Error sending PDU: " + ex.getLocalizedMessage());
+            System.exit(1);
+        }
+    }
+
+    /**
+     * Send EntityState, Fire, Comment PDUs
+     * @see <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing Information to a Method or a Constructor</a> Arbitrary Number of Arguments
+     * @param entityStatePdu the ESPDU to send, if any
+     * @param firePdu        the FirePDU to send, if any
+     * @param commentType    enumeration value describing the narrative comment
+     * @param comments       String array of narrative comments
+     */
+    public void sendAllPdus(EntityStatePdu entityStatePdu,
+                               FirePdu firePdu,
+                               VariableRecordType commentType,
+                               // vararg... variable length string
+                               String... comments)
+    {
+        if (entityStatePdu != null)
+            sendPDU(entityStatePdu);
+            
+        if (firePdu != null)
+            sendPDU(firePdu); // bang
+        
+        if ((comments != null) && (comments.length > 0))
+        {
+            ArrayList<String> newCommentsList = new ArrayList<>();
+            for (int i = 0; i < comments.length; i++)
+            {
+                if (!comments[i].isEmpty())
+                     newCommentsList.add(comments[i]); // OK found something to send
+            }
+            if (!newCommentsList.isEmpty())
+            {
+                if (commentType == null)
+                    commentType = VariableRecordType.OTHER;
+                CommentPdu commentPdu = pduFactory.makeCommentPdu(commentType, newCommentsList.toArray(new String[0])); // comments);
+                sendPDU(commentPdu);
+            }
+        }
+    }
+  
+    /**
+     * Main method is first executed when a program instance is loaded.
+     * @see <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java Tutorials: A Closer Look at the "Hello World!" Application</a>
+     * @param args command-line arguments are an array of optional String parameters that are passed from execution environment during invocation
+     */
+    public static void main(String[] args)
+    {
+        BrittSimulation thisProgram = new BrittSimulation(); // creates instance
+        
+        // initial execution: can handle args array of initialization arguments here
+        if (args.length == 2)
+        {
+            if ((args[0] != null) && !args[0].isEmpty())
+                thisProgram.setNetworkAddress(args[0]);
+            
+            if ((args[1] != null) && !args[1].isEmpty())
+                thisProgram.setNetworkPort(Integer.parseInt(args[1]));
+        }
+        else if (args.length != 0)
+        {
+            System.err.println("Usage: " + thisProgram.getClass().getName() + " [address port]");
+            System.exit(-1);
+        }
+        // OK here we go...
+
+        //thisProgram.setUpNetworkInterface();
+
+        thisProgram.runSimulation (); // customization code goes in there
+
+        //thisProgram.tearDownNetworkInterface();
+    }
+    
+    /**
+     * Programmer-modifiable method for defining and running a new simulation of interest.
+     * Support include DIS EntityStatePdu, FirePdu and CommentPdu all available for 
+     * modification and sending in a simulation loop.
+     */
+    @SuppressWarnings("SleepWhileInLoop")
+    public void runSimulation ()
+    {
+      try
+      {
+        final double LOOP_DURATION_SECONDS  =  1.0; // seconds
+        final int    MAX_LOOP_COUNT = 10;
+              int    loopCount = 0;
+        VariableRecordType narrativeType = VariableRecordType.OTHER; // of potential use
+        boolean simulationComplete = false; // sentinel variable as termination condition
+        boolean fireBool = false;
+        boolean destBool = false;
+        boolean resupBool = false;
+        // TODO reset clock to zero each time for consistent outputs.
+        
+        // your model setup: who's who in this zoo?
+        // create PDU objects and set their values
+        
+         Vector3Double eloc3 = new Vector3Double();
+         double[] loc3 = CoordinateConversions.getXYZfromLatLonDegrees(36.600757, -121.869309, 0 );//NPS Corner by lake
+        
+        EntityID       entityID_1    = new EntityID();
+        entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID
+
+        EntityStatePdu entityStatePdu = pduFactory.makeEntityStatePdu();
+        entityStatePdu.setEntityID(entityID_1);
+        
+        
+        
+                               EntityID MTVRID = new EntityID();
+                                MTVRID.setSiteID(1);
+                                MTVRID.setApplicationID(13);
+                                MTVRID.setEntityID(26);
+                                entityStatePdu.setEntityID(MTVRID);
+                                EntityType MTVRType = new EntityType(); //1.1.225.7.39.3 MTVR
+                                MTVRType.setEntityKind(EntityKind.PLATFORM);
+                                MTVRType.setDomain(Domain.inst(PlatformDomain.LAND));
+                                MTVRType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+                                MTVRType.setCategory(7);
+                                MTVRType.setSubCategory(39);
+                                MTVRType.setSpecific(3);
+                                entityStatePdu.setEntityType(MTVRType);
+                                Vector3Double eloc2 = new Vector3Double();
+                                double[] loc2 = CoordinateConversions.getXYZfromLatLonDegrees(36.599831, -121.878842, 0); //sloat delmonte intersection
+                                eloc2.setX(loc2[0]);
+                                eloc2.setY(loc2[1]);
+                                eloc2.setZ(loc2[2]);
+                                entityStatePdu.setEntityLocation(eloc2);
+                                EulerAngles orient2 = new EulerAngles();
+                                orient2.setPhi((float) 0.0);
+                                orient2.setPsi((float) 0.0);
+                                orient2.setTheta((float) 0.0);                                
+                                entityStatePdu.setEntityOrientation(orient2);
+        
+                                EntityStatePdu entityStatePdu2 = pduFactory.makeEntityStatePdu();
+        
+                                
+                 
+                                EntityID lavID = new EntityID();
+                                lavID.setSiteID(1);
+                                lavID.setApplicationID(13);
+                                lavID.setEntityID(25);
+                                entityStatePdu2.setEntityID(lavID);
+                                EntityType lavType = new EntityType(); //1.1.225.2.41.3 Platform,Ground,USA,ArmoredFightingVehicle,LAV,LAV25A2
+                                lavType.setEntityKind(EntityKind.PLATFORM);
+                                lavType.setDomain(Domain.inst(PlatformDomain.LAND));
+                                lavType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+                                lavType.setCategory(2);
+                                lavType.setSubCategory(41);
+                                lavType.setSpecific(3);
+                                entityStatePdu2.setEntityType(lavType);
+                                Vector3Double eloc1 = new Vector3Double();
+                                double[] loc1 = CoordinateConversions.getXYZfromLatLonDegrees(36.594116, -121.877463, 0); //NPS Main Gate
+                                eloc1.setX(loc1[0]);
+                                eloc1.setY(loc1[1]);
+                                eloc1.setZ(loc1[2]);
+                                
+                                entityStatePdu2.setEntityLocation(eloc1);
+                                EulerAngles orient1 = new EulerAngles();
+                                orient1.setPhi((float) 0.0);
+                                orient1.setPsi((float) 0.0);
+                                orient1.setTheta((float) 0.0);                                
+                                entityStatePdu2.setEntityOrientation(orient1);
+                                   
+                                int BMPHitsReceived = 0;
+                                
+                                System.out.println(eloc2.toString());
+                                System.out.println(eloc1.toString());
+                                
+                                //FirePdu firePduNull = new FirePdu();
+                                 FirePdu               firePdu = pduFactory.makeFirePdu();
+        EntityID fireID = new EntityID();
+                                fireID.setSiteID(1);
+                                fireID.setApplicationID(13);
+                                fireID.setEntityID(26);
+                                EntityID targetID = new EntityID();
+                                targetID.setSiteID(1);
+                                targetID.setApplicationID(13);
+                                targetID.setEntityID(27);
+                                
+                                firePdu.setFiringEntityID(fireID);
+                                firePdu.setTargetEntityID(targetID);
+                                
+                                EntityType HEType = new EntityType(); //2.9.225.2.2.1
+                                HEType.setEntityKind(EntityKind.MUNITION);
+                                HEType.setDomain(Domain.inst(PlatformDomain.AIR));
+                                HEType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+                                HEType.setCategory(2);
+                                HEType.setSubCategory(2);
+                                HEType.setSpecific(1);
+                                MunitionDescriptor HEIT = new MunitionDescriptor();
+                                HEIT.setMunitionType(HEType);
+                                HEIT.setQuantity(3);
+                                HEIT.setFuse(MunitionDescriptorFuse.CONTACT_GRAZE);
+                                HEIT.setRate(200);
+                                
+                                firePdu.setDescriptor(HEIT);
+                                EntityID HEID = new EntityID();
+                                HEID.setEntityID(1);
+                                firePdu.setMunitionExpendibleID(HEID);
+        
+                                ResupplyOfferPdu resupplyOfferPdu = pduFactory.makeResupplyOfferPdu();
+                                
+                                ArrayList<SupplyQuantity> pSupplies = new ArrayList<SupplyQuantity>();
+                                SupplyQuantity ammoSupplyQ = new SupplyQuantity();
+                                ammoSupplyQ.setSupplyType(HEType);
+                                ammoSupplyQ.setQuantity(500);
+                                pSupplies.add(ammoSupplyQ);
+                                resupplyOfferPdu.setSupplies(pSupplies);
+                                resupplyOfferPdu.setReceivingEntityID(lavID);
+                                resupplyOfferPdu.setSupplyingEntityID(MTVRID);
+                                
+                                CommentReliablePdu bmpDestroyedComment = pduFactory.makeCommentReliablePdu("BMP2 DESTROYED BY LAV25-A2 AFTER TWO BURSTS OF 25mm HEI-T ON TARGET");
+                                CommentReliablePdu bmpSightedComment = pduFactory.makeCommentReliablePdu("LAV25-A2 ACQUIRES TARGET BMP2 WITHIN FIRING DISTANCE");
+                                CommentReliablePdu lavSightedComment = pduFactory.makeCommentReliablePdu("LAV25-A2 IS WITHIN DISTANCE OF RESUPPLY");
+//if(eloc1.getX())
+       
+        // should we customize this munition?  what is it for your simulation?
+        
+        while (loopCount < MAX_LOOP_COUNT) // loop the simulation while allowed, can set additional conditions to break
+        {
+            String narrativeMessage1, narrativeMessage2, narrativeMessage3, narrativeMessage4;
+            narrativeMessage4 = "";
+            // initialize loop variables
+            loopCount++;
+            
+            // =============================================================================================
+            // your own simulation code starts here!
+            
+            // compute a track, update an ESPDU, whatever it is that your model is doing...
+            
+            // Where is my entity?
+            entityStatePdu.getEntityLocation().setX(entityStatePdu.getEntityLocation().getX()  - 20); // 1m per timestep
+            entityStatePdu.getEntityLocation().setY(entityStatePdu.getEntityLocation().getY() - 75);
+            // decide whether to fire, and then update the firePdu.  Hmmm, you might want a target to shoort at!
+            Double dx = eloc2.getX() - eloc1.getX();
+            Double dy = eloc2.getY() - eloc1.getY();
+            Double dz = eloc2.getZ() - eloc1.getZ();
+            Double range = Math.sqrt(dx*dx + dy*dy);
+            System.out.println("range" + range + "                dx:" +dx + "        dy:"+ dy);
+            // etc. etc. your code goes here
+                
+            if(range < 100){
+                if (!resupBool)
+                    sendPDU(lavSightedComment);
+                resupBool = true;
+                System.out.println("Entity#" + entityStatePdu.getEntityID().getEntityID() + " is requesting to resupply " + " Entity#"+ entityStatePdu2.getEntityID().getEntityID());
+            
+
+            
+                
+                
+              if(firePdu.getTargetEntityID().getEntityID() == 2){
+                BMPHitsReceived += 1;
+                if (BMPHitsReceived > 1) {
+                    //DESTROY THE BMP!
+                    
+                    System.out.println("BMP Destroyed after "+ BMPHitsReceived + " hits from 25mm HEI-T");
+                    narrativeMessage4 = "Destroyed BMP2";
+                    destBool = true;
+                    
+                }
+            }
+            }
+            
+            // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending)
+            narrativeMessage1 = "MV3500 ExampleSimulationProgram";
+            narrativeMessage2 = "runSimulation() loop " + loopCount;
+            narrativeMessage3 = "LAV-25A2"; // intentionally blank for testing
+            if (narrativeMessage4.isEmpty()){
+            narrativeMessage4 = "BMP2";
+            }
+            // your loop termination condition goes here
+            if (loopCount > 4) // for example
+            {
+                simulationComplete = true;
+            }      
+            // your own simulation code is finished here!
+            // =============================================================================================
+            
+            // keep track of timestep: wait duration for elapsed time in this loop
+            // Thread.sleep needs a (long) parameter for milliseconds, which are clumsy to use sometimes
+            Thread.sleep((long)(LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds
+            System.out.println ("... Pausing for " + LOOP_DURATION_SECONDS + " seconds");
+            
+            // send the status PDUs for this loop and continue
+            System.out.println ("sending PDUs for simulation step " + loopCount + ", monitor loopback to confirm sent");
+            //sendAllPdus(entityStatePdu, firePduNull, null, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+            //sendAllPdus(entityStatePdu2, null, null, narrativeMessage1, narrativeMessage2, narrativeMessage4);
+            sendPDU(entityStatePdu);
+            sendPDU(entityStatePdu2);
+            if (resupBool)
+                sendPDU(resupplyOfferPdu);
+            if (destBool)
+                sendPDU(bmpDestroyedComment);
+            
+            System.out.println ("... PDUs successfully sent");
+            
+            // ===============================
+            // loop now finished, thus terminate if simulation complete, otherwise send latest PDUs and continue
+            if (simulationComplete || (loopCount > 10000)) // for example; including fail-safe condition is good
+            {
+                CommentReliablePdu completionPdu = pduFactory.makeCommentReliablePdu("Britt Simulation Completed");
+                sendPDU(completionPdu);
+                System.out.println ("... Termination condition met, simulationComplete=" + simulationComplete);
+                break;
+            }
+        }   // end of while loop
+      } 
+      catch (Exception ex) // handle any exception that your code might choose to provoke!
+      {
+        Logger.getLogger(BrittSimulation.class.getName()).log(Level.SEVERE, null, ex);
+      }
+    }
+    
+        public void sendPDU(Pdu pdu) {
+        System.out.println("Sending a PDU");
+        MulticastSocket socket = null; // must be initialized, even if null
+        InetAddress destinationIp = null; // must be initialized, even if null
+
+        try {
+            destinationIp = InetAddress.getByName(networkAddress);
+        } catch (UnknownHostException e) {
+            System.out.println(e + " Cannot create address");
+            System.exit(0);
+        }
+        try {
+            // Set up a socket to send information
+            socket = new MulticastSocket(2317);
+        } catch (IOException ex) {
+            Logger.getLogger(BrittSimulation.class.getName()).log(Level.SEVERE, null, ex);
+        }
+
+        Set<InetAddress> broadcastAddresses;
+        // Loop through sending one ESPDUs
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(baos);
+        try {
+            pdu.marshal(dos);
+            byte[] data = baos.toByteArray();
+
+            DatagramPacket packet = new DatagramPacket(data, data.length, destinationIp, 2317);
+            socket.send(packet);
+            socket.close();
+        } catch (Exception ex) {
+            Logger.getLogger(BrittSimulation.class.getName()).log(Level.SEVERE, null, ex);
+        }
+}
+}
\ No newline at end of file
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/EspduSender.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/EspduSender.java
new file mode 100644
index 0000000000000000000000000000000000000000..7a4225844410726cd3fe39440e50c02bc31ccf98
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/EspduSender.java
@@ -0,0 +1,413 @@
+package OpenDis7Examples;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.enumerations.Country;
+import edu.nps.moves.dis7.enumerations.EntityKind;
+import edu.nps.moves.dis7.enumerations.PlatformDomain;
+import edu.nps.moves.dis7.utilities.*;
+import edu.nps.moves.dis7.entities.usa.platform.land.M1A2;
+import edu.nps.moves.dis7.entities.usa.platform.land.MTVRMK25Cargo;
+
+/**
+ * Creates and sends ESPDUs in IEEE binary format. Adapted from OpenDIS library
+ * example package edu.nps.moves.examples
+ *
+ * @author Don McGregor
+ * @author Don Brutzman
+ */
+public class EspduSender
+{
+	/**
+	 * Putting any upper limit on # packets sent avoids possibility of non-terminating infinite loops that continue sending packets.
+	 */
+	public static final int NUMBER_OF_LOOPS = 2; // 5
+
+	/**
+	 * Default multicast group address we send on.
+	 */
+	public static final String DEFAULT_MULTICAST_ADDRESS = "239.1.2.3";
+
+	/**
+	 * Default multicast port used, matches Wireshark DIS capture default
+	 */
+	public static final int    DEFAULT_MULTICAST_PORT    = 3000;
+    
+	public enum NetworkMode {
+		UNICAST, MULTICAST, BROADCAST
+	};
+    
+	/**
+	 * Output prefix to identify this class, helps with logging
+	 */
+    private final static String TRACE_PREFIX = "[" + EspduSender.class.getName() + "] ";
+
+	/**
+	 * Possible system properties, passed in via -Dattr=val networkMode:
+	 * unicast, broadcast, multicast destinationIp: where to send the packet. If
+	 * in multicast mode, this can be multicast. To determine broadcast
+	 * destination IP, use an online broadcast address calculator, for example
+	 * http://www.remotemonitoringsystems.ca/broadcast.php If in multicast mode,
+	 * a join() will be done on the multicast address. port: port used for both
+	 * source and destination.
+	 *
+	 * @param args
+	 */
+    @SuppressWarnings("SleepWhileInLoop") // allows Thread.sleep(value) without warning in code
+	public static void main(String args[])
+	{
+        System.out.println(TRACE_PREFIX + " started...");
+
+        // Default settings. These are used if no system properties are set. 
+        // If system properties are passed in, these are overridden later.
+        NetworkMode networkMode = NetworkMode.MULTICAST;
+        InetAddress     address = null; // must be initialized, even if null
+        int                port = DEFAULT_MULTICAST_PORT;
+        MulticastSocket  socket = null; // must be initialized to avoid later error, even if null;
+        EntityStatePdu    espdu = new EntityStatePdu();
+        DisTime         disTime = new DisTime();
+
+		// ICBM coordinates for my office
+		double latitude = 36.639222;
+		double longitude = -121.803415;
+		try
+        {
+			address = InetAddress.getByName(DEFAULT_MULTICAST_ADDRESS);
+		}
+        catch (UnknownHostException e)
+        {
+			System.out.println(TRACE_PREFIX + e + " Cannot create multicast address");
+			System.exit(0);
+		}
+
+		// All system properties, passed in on the command line via -Dattribute=value
+		Properties systemProperties = System.getProperties();
+
+		// IP address we send to
+		String destinationIpString = systemProperties.getProperty("destinationIp");
+
+		// Port we send to, and local port we open the socket on
+		String portString = systemProperties.getProperty("port");
+
+		// Network mode: unicast, multicast, broadcast
+		String networkModeString = systemProperties.getProperty("networkMode"); // unicast or multicast or broadcast
+
+		// Set up socket to send information
+		try
+        {
+			if (portString != null) // Update port we send to, if provided
+			{
+				port = Integer.parseInt(portString);
+			}
+			socket = new MulticastSocket(port);
+
+			// Where we send packets to, the destination IP address
+			if (destinationIpString != null) 
+			{
+				address = InetAddress.getByName(destinationIpString);
+			}
+
+			// Type of transport: unicast, broadcast, or multicast
+			if (networkModeString != null)
+            {
+				if (networkModeString.equalsIgnoreCase("unicast")) 
+				{
+					networkMode = NetworkMode.UNICAST;
+				} 
+				else if (networkModeString.equalsIgnoreCase("broadcast"))
+                {
+					networkMode = NetworkMode.BROADCAST;
+				} 
+				else if (networkModeString.equalsIgnoreCase("multicast"))
+                {
+					networkMode = NetworkMode.MULTICAST;
+					if (!address.isMulticastAddress())
+					{
+						throw new RuntimeException("*** Error: sending to multicast address, but destination address " + address.toString() + "is not multicast");
+					}
+					socket.joinGroup(address); // TODO select correct NetworkInterface
+				}
+			} // end networkModeString
+            else if (networkMode == NetworkMode.MULTICAST)
+            {
+                networkModeString = "multicast";
+            }
+            else if (networkMode == NetworkMode.UNICAST)
+            {
+                networkModeString = "unicast";
+            }
+            else if (networkMode == NetworkMode.BROADCAST)
+            {
+                networkModeString = "broadcast";
+            }
+		}
+		catch (IOException | RuntimeException e)
+		{
+			System.out.println(TRACE_PREFIX + "Unable to initialize network correctly, exiting.");
+			System.out.println(e);
+			System.exit(-1); // outta here
+		}
+        System.out.println(TRACE_PREFIX + " sending " + networkModeString + " ESPDU packets to " +
+                            address.getHostAddress() + " port " + port);
+
+		// Initialize values in the Entity State PDU object. The exercise ID is 
+		// a way to differentiate between different virtual worlds on one network.
+		// Note that some values (such as the PDU type and PDU family) are set
+		// automatically when you create the ESPDU.
+		espdu.setExerciseID((byte)1); //(short) 1);
+
+		// The EID is the unique identifier for objects in the world. This 
+		// EID should match up with the ID for the object specified in the 
+		// VMRL/x3d/virtual world.
+    
+  		EntityID entityID = espdu.getEntityID(); // initialize, reset, override
+        // TODO check: 0 is apparently not a valid site number, per DIS specification
+		entityID.setSiteID       ((short)1); // TODO utility method to allow int values
+		entityID.setApplicationID((short)2);
+		entityID.setEntityID     ((short)3);
+        espdu.setEntityID(entityID);         // TODO utility method to allow setting all three at once
+
+		// Set the entity type. SISO has a big list of enumerations, so that by
+		// specifying various numbers we can say this is an M1A2 American tank,
+		// the USS Enterprise, and so on. We'll make this a tank. There is a 
+		// separate project elsehwhere in this project that implements DIS 
+		// enumerations in C++ and Java, but to keep things simple we just use
+		// numbers here.
+    
+        // Manual way to override platform information:
+		EntityType entityType = espdu.getEntityType() 
+		        .setEntityKind (EntityKind.PLATFORM).setEntityKind (EntityKind.PLATFORM)  //(short) 1); // Platform (vs lifeform, munition, sensor, etc.); //(short) 1); // Platform (vs lifeform, munition, sensor, etc.)
+		        .setCountry    (Country.UNITED_STATES_OF_AMERICA_USA)  // 225 USA
+		        .setDomain     (Domain.inst(PlatformDomain.LAND))      // Land (vs air, surface, subsurface, space)
+		        .setCategory   ((byte) 7)   // Large vic
+		        .setSubCategory((byte) 39)   // MTVR
+		        .setSpecific   ((byte) 2);  // MTVR
+    
+        // New way using entity jar(s)
+        espdu.setEntityType(new edu.nps.moves.dis7.entities.usa.platform.land.MTVRMK25Cargo());
+        // or simply use an enumeration by name, with accompanying import statement above
+        espdu.setEntityType(new MTVRMK25Cargo()); 
+        
+        // Inspecting an enumeration
+        System.out.println("===============");
+        System.out.println("espdu entityType information:");
+        System.out.println("  EntityKind =" + espdu.getEntityType().getEntityKind());
+        System.out.println("  Country    =" + espdu.getEntityType().getCountry());
+        System.out.println("  Domain     =" + espdu.getEntityType().getDomain());
+        System.out.println("  Category   =" + espdu.getEntityType().getCategory());
+        System.out.println("  SubCategory=" + espdu.getEntityType().getSubCategory());
+        System.out.println("  Specific   =" + espdu.getEntityType().getCountry());
+        System.out.println("I am an MTVRMK25 Cargo Truck");
+        // TODO round trip lookup
+        
+		Set<InetAddress> localNetworkAddresses;
+
+		try // Loop through sending N ESPDUs
+		{
+			System.out.println(TRACE_PREFIX + "sending " + NUMBER_OF_LOOPS + " sets of packets:"); // + address.toString()
+			
+			for (int index = 0; index < NUMBER_OF_LOOPS; index++) 
+            {
+				// DIS time is a pain in the uh, neck. DIS time units are 2^31-1 units per
+				// hour, and time is set to DIS time units from the top of the hour. 
+				// This means that if you start sending just before the top of the hour
+				// the time units can roll over to zero as you are sending. The receivers
+				// (escpecially homegrown ones) are often not able to detect rollover
+				// and may start discarding packets as dupes or out of order. We use
+				// an NPS timestamp here, hundredths of a second since the start of the
+				// year. The DIS standard for time is often ignored in the wild; I've seen
+				// people use Unix time (seconds since 1970) and more. Or you can
+				// just stuff idx into the timestamp field to get something that is monotonically
+				// increasing.
+
+				// Note that timestamp is used to detect duplicate and out of order packets. 
+				// That means if you DON'T change the timestamp, many implementations will simply
+				// discard subsequent packets that have an identical timestamp. Also, if they
+				// receive a PDU with an timestamp lower than the last one they received, they
+				// may discard it as an earlier, out-of-order PDU. So it is a good idea to
+				// update the timestamp on ALL packets sent.
+				// An alterative approach: actually follow the standard. It's a crazy concept,
+				// but it might just work.
+				int timestamp = disTime.getDisAbsoluteTimestamp();
+				espdu.setTimestamp(timestamp);
+
+				// Set the position of the entity in the world. DIS uses a cartesian 
+				// coordinate system with the origin at the center of the earth, the x
+				// axis out at the equator and prime meridian, y out at the equator and
+				// 90 deg east, and z up and out the north pole. To place an object on
+				// the earth's surface you also need a model for the shape of the earth
+				// (it's not a sphere.) All the fancy math necessary to do this is in
+				// the SEDRIS SRM package. There are also some one-off formulas for 
+				// doing conversions from, for example, lat/lon/altitude to DIS coordinates.
+				// Here we use those one-off formulas.
+				// Modify the position of the object. This will send the object a little
+				// due east by adding some to the longitude every iteration. Since we
+				// are on the Pacific coast, this sends the object east. Assume we are
+				// at zero altitude. In other worlds you'd use DTED to determine the
+				// local ground altitude at that lat/lon, or you'd just use ground clamping.
+				// The x and y values will change, but the z value should not.
+				//lon = lon + (double)((double)idx / 100000.0);
+				//System.out.println("lla=" + lat + "," + lon + ", 0.0");
+				double direction = Math.pow(-1.0, index);
+				longitude = longitude + (direction * 0.00006);
+
+				double disCoordinates[] = CoordinateConversions.getXYZfromLatLonDegrees(latitude, longitude, 1.0);
+				Vector3Double location = espdu.getEntityLocation();
+				location.setX(disCoordinates[0]);
+				location.setY(disCoordinates[1]);
+				location.setZ(disCoordinates[2]);
+				System.out.println("===============");
+				System.out.println("Create new PDUs");
+				System.out.println("  latitude, longitude:   [" + latitude + ", " + longitude + "]");
+				System.out.println("  coordinate conversion: [" + disCoordinates[0] + ", " + disCoordinates[1] + ", " + disCoordinates[2] + "]");
+
+				location = espdu.getEntityLocation();
+
+				System.out.println("Espdu #" + index + " entityID=[" + entityID.getSiteID()+ "," + entityID.getApplicationID()+ "," + entityID.getEntityID()+ "]");
+				double c[]   = {location.getX(), location.getY(), location.getZ()};
+				double lla[] = CoordinateConversions.xyzToLatLonDegrees(c);
+//              System.out.println("  DIS entityLocation: [" + location.getX() + "," + location.getY() + "," + location.getZ() + "]");
+				String debugString = " Location (latitude/longitude/altitude): [" + lla[0] + ", " + lla[1] + ", " + lla[2] + "]";
+//      		System.out.println(debugString);
+
+				// Optionally, we can do some rotation of the entity
+				/*
+            Orientation orientation = espdu.getEntityOrientation();
+            float psi = orientation.getPsi();
+            psi = psi + idx;
+            orientation.setPsi(psi);
+            orientation.setTheta((float)(orientation.getTheta() + idx /2.0));
+				 */
+				// You can set other ESPDU values here, such as the velocity, acceleration,
+				// and so on.
+				// Marshal out the espdu object to a byte array, then send a datagram
+				// packet with that data in it.
+                                
+                            double[] locOr = {location.getX(),location.getY(),location.getZ(),   5,6,1,   1,2,1,   0,0,0,   0,0,0};
+                            
+				ByteArrayOutputStream baos = new ByteArrayOutputStream();
+				DataOutputStream dos = new DataOutputStream(baos);
+                DatagramPacket packet;
+
+				// The byte array here is the packet in DIS format. We put that into a 
+				// datagram and send it.
+				espdu.marshal(dos);
+				byte[] espduArray = baos.toByteArray();
+
+				FirePdu firePdu = new FirePdu();
+                firePdu.setLocationInWorldCoordinates(espdu.getEntityLocation());
+				byte[] fireArray = firePdu.marshal();
+
+//                CommentPdu    newCommentPdu = new CommentPdu();
+//                ArrayList<VariableDatum> payloadList = new ArrayList<>();
+//                ArrayList<String> commentsList = new ArrayList<>();
+//                commentsList.add("Hello CommentPDU");
+//                commentsList.add("Here is a second line of text in this comment.");
+//                if (!commentsList.isEmpty())
+//                    System.out.println("Preparing CommentPDU:");
+//
+//                for (String comment : commentsList)
+//                {
+//                    VariableDatum newVariableDatum = new VariableDatum();
+//                    newVariableDatum.setVariableDatumValue (comment.getBytes());               // conversion
+//                    newVariableDatum.setVariableDatumLengthInBytes(comment.getBytes().length); // also available in bits, see spec and javadoc
+//                    // alternatively, you do not need to set this and the marshaller will figure it out from the byte array
+//                    // (see javadoc for VariableDatum.setVariableDatumLength())
+//                    payloadList.add(newVariableDatum);
+//                    System.out.println("   \"" + comment + "\"");
+//                }
+//                newCommentPdu.setVariableDatums(payloadList);
+//				byte[] commentArray = newCommentPdu.marshal();
+
+				localNetworkAddresses = getBroadcastAddresses();
+                for (InetAddress networkAddress : localNetworkAddresses) {
+                    if (espduArray.length > 0)
+                    {
+                        System.out.println(TRACE_PREFIX + "sending datagram packet [" + espdu.getPduType().toString() + "] to " + 
+                                           String.format("%-15s", networkAddress.getHostAddress()) + " port " + port);
+                        packet = new DatagramPacket(espduArray, espduArray.length, networkAddress, port);
+                        socket.send(packet);
+                    }
+                    // TODO experiment with these!  8)
+                    if (fireArray.length > 0)
+                    {
+                        System.out.println(TRACE_PREFIX + "sending datagram packet [" + firePdu.getPduType().toString() + "        ] to " + 
+                                           String.format("%-15s", networkAddress.getHostAddress()) + " port " + port);
+                        packet = new DatagramPacket(fireArray, fireArray.length, networkAddress, port); // alternate
+                        socket.send(packet);
+                    }       
+//                    // TODO experiment with these!  8)
+//                    if (newCommentPdu != null)
+//                    {
+//                        System.out.println(TRACE_PREFIX + "sending datagram packet [" + newCommentPdu.getPduType().toString() + "        ] to " + 
+//                                           String.format("%-15s", networkAddress.getHostAddress()) + " port " + port);
+//                        packet = new DatagramPacket(commentArray, commentArray.length, networkAddress, port); // alternate
+//                        socket.send(packet);
+//                    }
+                }
+				// Send every 1 second within loop. Otherwise all this will be all over in a fraction of a second.
+				Thread.sleep(1000); // msec
+			}
+		}
+		catch (Exception e)
+		{
+            System.out.println(TRACE_PREFIX + "Problem with " + e + ", see exception trace:");
+			System.out.println(e);
+		}
+        System.out.println("===============");
+		System.out.println(TRACE_PREFIX + "complete.");
+	}
+
+	/**
+	 * A number of sites get all snippy about using 255.255.255.255 for a
+	 * broadcast address; it trips their security software and they kick you off
+	 * their network. (Comcast, NPS, etc.) This determines the broadcast address for
+	 * all connected interfaces, based on the IP and subnet mask. If you have a
+	 * dual-homed host it will return a broadcast address for both. If you have
+	 * some VMs running on your host this will pick up the addresses for those
+	 * as well--e.g. running VMWare on your laptop with a local IP this will also
+	 * pick up a 192.168 address assigned to the VM by the host OS.
+	 *
+	 * @return set of all broadcast addresses
+	 */
+	public static Set<InetAddress> getBroadcastAddresses()
+	{
+		Set<InetAddress> broadcastAddresses = new HashSet<>();
+		Enumeration interfaces;
+
+		try {
+			interfaces = NetworkInterface.getNetworkInterfaces();
+
+			while (interfaces.hasMoreElements())
+			{
+				NetworkInterface anInterface = (NetworkInterface) interfaces.nextElement();
+
+				if (anInterface.isUp())
+				{
+                    for (InterfaceAddress anAddress : anInterface.getInterfaceAddresses()) {
+                        if ((anAddress == null || anAddress.getAddress().isLinkLocalAddress()))
+                        {
+                            continue;
+                        }
+
+                        //System.out.println("Getting broadcast address for " + anAddress);
+                        InetAddress broadcastAddress = anAddress.getBroadcast();
+                        if (broadcastAddress != null)
+                        {
+                            broadcastAddresses.add(broadcastAddress);
+                        }
+                    }
+				}
+			}
+		}
+		catch (SocketException e) 
+		{
+            System.out.println(TRACE_PREFIX + "Problem with .getBroadcastAddresses(), see exception trace:" + e);
+			System.out.println(e);
+		}
+		return broadcastAddresses;
+	}
+}
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/ExampleSimulationProgram.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/ExampleSimulationProgram.java
new file mode 100644
index 0000000000000000000000000000000000000000..0b3f007706a8281e7f1e02ed0d72b463329a86bf
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/ExampleSimulationProgram.java
@@ -0,0 +1,399 @@
+/**
+ * Copyright (c) 2008-2020, MOVES Institute, Naval Postgraduate School (NPS). All rights reserved.
+ * This work is provided under a BSD open-source license, see project license.html and license.txt
+ */
+package MV3500Cohort2020JulySeptember.homework4.Britt;
+
+import edu.nps.moves.dis7.enumerations.*;
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+import java.util.ArrayList;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class ExampleSimulationProgram
+{
+    // class variables
+    PduFactory pduFactory = new PduFactory();
+    DisThreadedNetworkInterface disNetworkInterface;
+    DisThreadedNetworkInterface.PduListener pduListener;
+    Pdu receivedPdu;
+    
+    private String networkAddress = "239.1.2.3";
+    private int    networkPort    = 3000;
+    
+    /**
+     * Constructor design goal: additional built-in initialization conveniences can go here
+     * to keep student efforts focused on the runSimulation() method.
+     */
+    public ExampleSimulationProgram()
+    {
+        // Under consideration.  Constructor is not currently needed.
+    }
+    
+    /**
+     * Utility Constructor
+     * @param address network address to use
+     * @param port corresponding network port to use
+     */
+    public ExampleSimulationProgram(String address, int port)
+    {
+        setNetworkAddress(address);
+        
+        setNetworkPort(port);
+    }
+
+    /**
+     * @return the networkAddress
+     */
+    public String getNetworkAddress()
+    {
+        return networkAddress;
+    }
+
+    /**
+     * @param networkAddress the networkAddress to set
+     */
+    public final void setNetworkAddress(String networkAddress)
+    {
+        this.networkAddress = networkAddress;
+    }
+
+    /**
+     * @return the networkPort
+     */
+    public int getNetworkPort()
+    {
+        return networkPort;
+    }
+
+    /**
+     * @param networkPort the networkPort to set
+     */
+    public final void setNetworkPort(int networkPort)
+    {
+        this.networkPort = networkPort;
+    }
+
+    /**
+     * Initialize network interface, choosing best available network interface
+     */
+    public void setUpNetworkInterface()
+    {
+        disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort());
+        
+        System.out.println("Network confirmation: address=" + disNetworkInterface.getMcastGroup() + " port=" + disNetworkInterface.getDisPort());
+        pduListener = new DisThreadedNetworkInterface.PduListener()
+        {
+            /** Callback handler for listener */
+            @Override
+            public void incomingPdu(Pdu newPdu)
+            {
+                receivedPdu = newPdu;
+            }
+        };
+        disNetworkInterface.addListener(pduListener);
+    }
+
+    /** All done, release network resources */
+    public void tearDownNetworkInterface()
+    {
+        disNetworkInterface.removeListener(pduListener);
+        disNetworkInterface.kill();
+        disNetworkInterface = null;
+    }
+
+    /** 
+     * Send a single Protocol Data Unit (PDU) of any type
+     * @param pdu the pdu to send
+     */
+    private void sendSinglePdu(Pdu pdu)
+    {
+        try
+        {
+            disNetworkInterface.send(pdu);
+            Thread.sleep(100); // TODO consider refactoring the wait logic and moving externally
+        } 
+        catch (InterruptedException ex)
+        {
+            System.err.println(this.getClass().getName() + " Error sending PDU: " + ex.getLocalizedMessage());
+            System.exit(1);
+        }
+    }
+
+    /**
+     * Send EntityState, Fire, Comment PDUs
+     * @see <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing Information to a Method or a Constructor</a> Arbitrary Number of Arguments
+     * @param entityStatePdu the ESPDU to send, if any
+     * @param firePdu        the FirePDU to send, if any
+     * @param commentType    enumeration value describing the narrative comment
+     * @param comments       String array of narrative comments
+     */
+    public void sendAllPdus(EntityStatePdu entityStatePdu,
+                               FirePdu firePdu,
+                               VariableRecordType commentType,
+                               // vararg... variable length string
+                               String... comments)
+    {
+        if (entityStatePdu != null)
+            sendSinglePdu(entityStatePdu);
+            
+        if (firePdu != null)
+            sendSinglePdu(firePdu); // bang
+        
+        if ((comments != null) && (comments.length > 0))
+        {
+            ArrayList<String> newCommentsList = new ArrayList<>();
+            for (int i = 0; i < comments.length; i++)
+            {
+                if (!comments[i].isEmpty())
+                     newCommentsList.add(comments[i]); // OK found something to send
+            }
+            if (!newCommentsList.isEmpty())
+            {
+                if (commentType == null)
+                    commentType = VariableRecordType.OTHER;
+                CommentPdu commentPdu = pduFactory.makeCommentPdu(commentType, newCommentsList.toArray(new String[0])); // comments);
+                sendSinglePdu(commentPdu);
+            }
+        }
+    }
+  
+    /**
+     * Main method is first executed when a program instance is loaded.
+     * @see <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java Tutorials: A Closer Look at the "Hello World!" Application</a>
+     * @param args command-line arguments are an array of optional String parameters that are passed from execution environment during invocation
+     */
+    public static void main(String[] args)
+    {
+        ExampleSimulationProgram thisProgram = new ExampleSimulationProgram(); // creates instance
+        
+        // initial execution: can handle args array of initialization arguments here
+        if (args.length == 2)
+        {
+            if ((args[0] != null) && !args[0].isEmpty())
+                thisProgram.setNetworkAddress(args[0]);
+            
+            if ((args[1] != null) && !args[1].isEmpty())
+                thisProgram.setNetworkPort(Integer.parseInt(args[1]));
+        }
+        else if (args.length != 0)
+        {
+            System.err.println("Usage: " + thisProgram.getClass().getName() + " [address port]");
+            System.exit(-1);
+        }
+        // OK here we go...
+
+        thisProgram.setUpNetworkInterface();
+
+        thisProgram.runSimulation (); // customization code goes in there
+
+        thisProgram.tearDownNetworkInterface();
+    }
+    
+    /**
+     * Programmer-modifiable method for defining and running a new simulation of interest.
+     * Support include DIS EntityStatePdu, FirePdu and CommentPdu all available for 
+     * modification and sending in a simulation loop.
+     */
+    @SuppressWarnings("SleepWhileInLoop")
+    public void runSimulation ()
+    {
+      try
+      {
+        final double LOOP_DURATION_SECONDS  =  1.0; // seconds
+        final int    MAX_LOOP_COUNT = 10;
+              int    loopCount = 0;
+        VariableRecordType narrativeType = VariableRecordType.OTHER; // of potential use
+        boolean simulationComplete = false; // sentinel variable as termination condition
+        
+        // TODO reset clock to zero each time for consistent outputs.
+        
+        // your model setup: who's who in this zoo?
+        // create PDU objects and set their values
+        
+         Vector3Double eloc3 = new Vector3Double();
+         double[] loc3 = CoordinateConversions.getXYZfromLatLonDegrees(36.600757, -121.869309, 0 );//NPS Corner by lake
+        
+        EntityID       entityID_1    = new EntityID();
+        entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID
+
+        EntityStatePdu entityStatePdu = pduFactory.makeEntityStatePdu();
+        entityStatePdu.setEntityID(entityID_1);
+        
+        
+        
+                                EntityID M49ID = new EntityID();
+                                M49ID.setSiteID(1);
+                                M49ID.setApplicationID(13);
+                                M49ID.setEntityID(26);
+                                entityStatePdu.setEntityID(M49ID);
+                                EntityType M49Type = new EntityType(); //1.1.225.7.1.11 Platform,Ground,USA,M49 
+                                M49Type.setEntityKind(EntityKind.PLATFORM);
+                                M49Type.setDomain(Domain.inst(PlatformDomain.LAND));
+                                M49Type.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+                                M49Type.setCategory(7);
+                                M49Type.setSubCategory(1);
+                                M49Type.setSpecific(11);
+                                entityStatePdu.setEntityType(M49Type);
+                                Vector3Double eloc2 = new Vector3Double();
+                                double[] loc2 = CoordinateConversions.getXYZfromLatLonDegrees(36.599831, -121.878842, 0); //sloat delmonte intersection
+                                eloc2.setX(loc2[0]);
+                                eloc2.setY(loc2[1]);
+                                eloc2.setZ(loc2[2]);
+                                entityStatePdu.setEntityLocation(eloc2);
+                                EulerAngles orient2 = new EulerAngles();
+                                orient2.setPhi((float) 0.0);
+                                orient2.setPsi((float) 0.0);
+                                orient2.setTheta((float) 0.0);                                
+                                entityStatePdu.setEntityOrientation(orient2);
+        
+                                EntityStatePdu entityStatePdu2 = pduFactory.makeEntityStatePdu();
+        
+                                
+                                EntityID NPSID = new EntityID();
+                                NPSID.setSiteID(1);
+                                NPSID.setApplicationID(13);
+                                NPSID.setEntityID(27);
+                                entityStatePdu2.setEntityID(NPSID);
+                                EntityType NPSType = new EntityType(); //5.1.0.14.1.3 NPS Building not sure if this is the right info but its the enumeration of a building in the siso doc
+                                NPSType.setEntityKind(EntityKind.CULTURAL_FEATURE);
+                                NPSType.setDomain(Domain.inst(PlatformDomain.LAND));
+                                NPSType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+                                NPSType.setCategory(14);
+                                NPSType.setSubCategory(1);
+                                NPSType.setSpecific(3);
+                                entityStatePdu2.setEntityType(NPSType);
+                                Vector3Double eloc1 = new Vector3Double();
+                                double[] loc1 = CoordinateConversions.getXYZfromLatLonDegrees(36.594116, -121.877463, 0); //NPS Main Gate
+                                eloc1.setX(loc1[0]);
+                                eloc1.setY(loc1[1]);
+                                eloc1.setZ(loc1[2]);
+                                
+                                entityStatePdu2.setEntityLocation(eloc1);
+                                EulerAngles orient1 = new EulerAngles();
+                                orient1.setPhi((float) 0.0);
+                                orient1.setPsi((float) 0.0);
+                                orient1.setTheta((float) 0.0);                                
+                                entityStatePdu2.setEntityOrientation(orient1);
+                                   
+                                int BMPHitsReceived = 0;
+                                
+                                System.out.println(eloc2.toString());
+                                System.out.println(eloc1.toString());
+                                
+                                FirePdu firePduNull = new FirePdu();
+                                 FirePdu               firePdu = pduFactory.makeFirePdu();
+        EntityID fireID = new EntityID();
+                                fireID.setSiteID(1);
+                                fireID.setApplicationID(13);
+                                fireID.setEntityID(26);
+                                EntityID targetID = new EntityID();
+                                targetID.setSiteID(1);
+                                targetID.setApplicationID(13);
+                                targetID.setEntityID(27);
+                                
+                                firePdu.setFiringEntityID(fireID);
+                                firePdu.setTargetEntityID(targetID);
+                                
+                                EntityType HEType = new EntityType(); //2.9.225.2.2.1
+                                HEType.setEntityKind(EntityKind.MUNITION);
+                                HEType.setDomain(Domain.inst(PlatformDomain.AIR));
+                                HEType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+                                HEType.setCategory(2);
+                                HEType.setSubCategory(2);
+                                HEType.setSpecific(1);
+                                MunitionDescriptor HEIT = new MunitionDescriptor();
+                                HEIT.setMunitionType(HEType);
+                                HEIT.setQuantity(3);
+                                HEIT.setFuse(MunitionDescriptorFuse.CONTACT_GRAZE);
+                                HEIT.setRate(200);
+                                firePdu.setDescriptor(HEIT);
+                                EntityID HEID = new EntityID();
+                                HEID.setEntityID(1);
+                                firePdu.setMunitionExpendibleID(HEID);
+        
+        //if(eloc1.getX())
+       
+        // should we customize this munition?  what is it for your simulation?
+        
+        while (loopCount < MAX_LOOP_COUNT) // loop the simulation while allowed, can set additional conditions to break
+        {
+            String narrativeMessage1, narrativeMessage2, narrativeMessage3, narrativeMessage4;
+            narrativeMessage4 = "";
+            // initialize loop variables
+            loopCount++;
+            
+            // =============================================================================================
+            // your own simulation code starts here!
+            
+            // compute a track, update an ESPDU, whatever it is that your model is doing...
+            
+            // Where is my entity?
+            entityStatePdu.getEntityLocation().setX(entityStatePdu.getEntityLocation().getX()  - 10); // 1m per timestep
+            entityStatePdu.getEntityLocation().setY(entityStatePdu.getEntityLocation().getY() - 75);
+            // decide whether to fire, and then update the firePdu.  Hmmm, you might want a target to shoort at!
+            Double dx = eloc2.getX() - eloc1.getX();
+            Double dy = eloc2.getY() - eloc1.getY();
+            Double dz = eloc2.getZ() - eloc1.getZ();
+            Double range = Math.sqrt(dx*dx + dy*dy);
+            System.out.println(range + "    " +dx + "  "+ dy);
+            // etc. etc. your code goes here
+                
+            if(range < 100){
+                firePduNull = firePdu;
+                System.out.println("Entity#" + firePdu.getFiringEntityID().getEntityID() + " is firing " + firePdu.getDescriptor().getMunitionType().getDomain() + "."+firePdu.getDescriptor().getMunitionType().getCountry()   + "." + firePdu.getDescriptor().getMunitionType().getCategory() + "."+ firePdu.getDescriptor().getMunitionType().getSubCategory() + "." + firePdu.getDescriptor().getMunitionType().getSpecific() + "."+ " at Entity#"+ firePdu.getTargetEntityID().getEntityID());
+            }
+
+            if(firePduNull.getTargetEntityID().getEntityID() == 2){
+                BMPHitsReceived += 1;
+                if (BMPHitsReceived > 1) {
+                    //DESTROY THE BMP!
+                    
+                    System.out.println("BMP Destroyed after "+ BMPHitsReceived + " hits from 25mm HEI-T");
+                    narrativeMessage4 = "Destroyed BMP2";
+                }
+            }
+            
+            
+            // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending)
+            narrativeMessage1 = "MV3500 ExampleSimulationProgram";
+            narrativeMessage2 = "runSimulation() loop " + loopCount;
+            narrativeMessage3 = "LAV-25A2"; // intentionally blank for testing
+            if (narrativeMessage4.isEmpty()){
+            narrativeMessage4 = "BMP2";
+            }
+            // your loop termination condition goes here
+            if (loopCount > 4) // for example
+            {
+                simulationComplete = true;
+            }      
+            // your own simulation code is finished here!
+            // =============================================================================================
+            
+            // keep track of timestep: wait duration for elapsed time in this loop
+            // Thread.sleep needs a (long) parameter for milliseconds, which are clumsy to use sometimes
+            Thread.sleep((long)(LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds
+            System.out.println ("... Pausing for " + LOOP_DURATION_SECONDS + " seconds");
+            
+            // send the status PDUs for this loop and continue
+            System.out.println ("sending PDUs for simulation step " + loopCount + ", monitor loopback to confirm sent");
+            sendAllPdus(entityStatePdu, firePduNull, null, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+            sendAllPdus(entityStatePdu2, null, null, narrativeMessage1, narrativeMessage2, narrativeMessage4);
+            System.out.println ("... PDUs successfully sent");
+            
+            // ===============================
+            // loop now finished, thus terminate if simulation complete, otherwise send latest PDUs and continue
+            if (simulationComplete || (loopCount > 10000)) // for example; including fail-safe condition is good
+            {
+                System.out.println ("... Termination condition met, simulationComplete=" + simulationComplete);
+                break;
+            }
+        }   // end of while loop
+      } 
+      catch (Exception ex) // handle any exception that your code might choose to provoke!
+      {
+        Logger.getLogger(ExampleSimulationProgram.class.getName()).log(Level.SEVERE, null, ex);
+      }
+    }
+}
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/PDUReciever.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/PDUReciever.java
new file mode 100644
index 0000000000000000000000000000000000000000..5ab4c55cfd26e8629ba58a195b819a1c0d3c3fbe
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/PDUReciever.java
@@ -0,0 +1,128 @@
+package MV3500Cohort2020JulySeptember.homework4.White;
+
+import MV3500Cohort2020JulySeptember.homework4.White.working.*;
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+
+/**
+ * Receives PDUs from GermanyEspduReceiverEspduVPNSender in IEEE DIS format.
+ *
+ * @date 09/05/2020
+ * @author Bernd/Stefan
+ * @version 0.1
+ */
+public class PDUReciever {
+
+    /**
+     * Max size of a PDU in binary format that we can receive. This is actually
+     * somewhat outdated--PDUs can be larger--but this is a reasonable starting
+     * point.
+     */
+    public static final int MAX_PDU_SIZE = 8192;
+
+    /**
+     * Default port used, matches Wireshark DIS capture default
+     */
+    public static final int DEFAULT_PORT = 2317;
+    public static final int SECOND_PORT = 3000;
+    public static final int THIRD_PORT = 2318;
+    
+    
+    /**
+     * Output prefix to identify this class
+     */
+    private final static String TRACE_PREFIX = "[" + PDUReciever.class.getName() + "] ";
+
+    public static void main(String args[]) {
+        System.out.println(TRACE_PREFIX + "started...");
+
+        MulticastSocket socket1;
+        MulticastSocket socket2;
+        MulticastSocket socket3;
+        DatagramPacket packet;
+        DatagramPacket packet2;
+        DatagramPacket packet3;
+        PduFactory pduFactory = new PduFactory();
+        ArrayList<EntityID> knownEntities = new ArrayList<EntityID>();
+        int pduCount = 0;
+
+        try {
+            // Specify the socket to receive data
+            socket1 = new MulticastSocket(DEFAULT_PORT);
+            socket2 = new MulticastSocket(SECOND_PORT);
+            socket3 = new MulticastSocket(THIRD_PORT);
+            
+            System.out.println(TRACE_PREFIX + "listening for PDU packets on port " + DEFAULT_PORT );//+ " " + SECOND_PORT + " " + THIRD_PORT);
+            System.out.println("====================================================");
+
+            while (true) // Loop infinitely, receiving datagrams
+            {
+                byte buffer[] = new byte[MAX_PDU_SIZE];
+                packet = new DatagramPacket(buffer, buffer.length);
+
+                socket1.receive(packet);
+                
+                
+                
+                List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData(), packet.getLength());
+                if (pduBundle.size() > 1) { // should be 1 for this project
+                    System.out.println("Bundle size is " + pduBundle.size());
+                }
+
+                // end iterator loop through PDU bundle
+                for (Pdu aPdu : pduBundle) {
+                    pduCount++;
+                    String receiptMessage = String.format("%3s", pduCount) // right justify, 3 characters
+                            + ". received PDU type " + aPdu.getPduType().getValue() + "=" + aPdu.getPduType().name() + " " + aPdu.getClass().getName() + "  from " + packet.getAddress();
+                    if (aPdu instanceof EntityStatePdu) {
+                        System.out.println(receiptMessage);
+                        EntityID entityID = ((EntityStatePdu) aPdu).getEntityID();
+                        Vector3Double position = ((EntityStatePdu) aPdu).getEntityLocation();
+                        System.out.println("     entityID triplet: [" + entityID.getSiteID() + ", " + entityID.getApplicationID() + ", " + entityID.getEntityID() + "] ");
+                        if (!knownEntities.contains(entityID)){
+                            knownEntities.add(entityID);
+                            EntityType entityType = ((EntityStatePdu) aPdu).getEntityType();
+                            System.out.println("     New Entity: " +entityType.getEntityKind() + " "+ entityType.getDomain() + " "+ entityType.getCountry() + " "+  entityType.getCategory() + " "+ entityType.getSubCategory() + " "+  entityType.getSpecific() );
+                        }
+                        System.out.println("     Location in DIS coordinates:        [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
+
+                    }
+                    else if (aPdu instanceof FirePdu){
+                        System.out.println(receiptMessage);
+                        EntityID firingEntityID = ((FirePdu) aPdu).getFiringEntityID();
+                        EntityID targetEntityID = ((FirePdu) aPdu).getTargetEntityID();
+                        MunitionDescriptor munitionDescriptor = ((FirePdu) aPdu).getDescriptor();
+                        System.out.println("     firingEntityID triplet: [" + firingEntityID.getSiteID() + ", " + firingEntityID.getApplicationID() + ", " + firingEntityID.getEntityID() + "] ");
+                        System.out.println("     targetEntityID triplet: [" + targetEntityID.getSiteID() + ", " + targetEntityID.getApplicationID() + ", " + targetEntityID.getEntityID() + "] ");
+                        System.out.println("     Munition Information:   [" + munitionDescriptor.getMunitionType().getDomain() + "."+munitionDescriptor.getMunitionType().getCountry()   + "." + munitionDescriptor.getMunitionType().getCategory() + "."+ munitionDescriptor.getMunitionType().getSubCategory() + "." + munitionDescriptor.getMunitionType().getSpecific() + "]");
+                    }
+                    else if (aPdu instanceof CommentReliablePdu){
+                        System.out.println(receiptMessage);
+                       ArrayList<VariableDatum> payloadList = (ArrayList)((CommentReliablePdu) aPdu).getVariableDatumRecords();
+                    if (!payloadList.isEmpty())
+                        System.out.print  ("     messages: ");
+                    for (VariableDatum variableDatum : payloadList)
+                    {
+                        String nextComment = new String(variableDatum.getVariableDatumValue()); // convert byte[] to String
+                        System.out.print  (" \"" + nextComment + "\"");
+                        System.out.println();
+                    }
+                    } //OTHER PDU TYPES
+                    else {
+                        System.out.println(receiptMessage);
+                    }
+                } // end of bundle loop
+                
+            } // end of while loop
+        } // end try block // end try block // end try block // end try block
+        catch (IOException ioe) {
+            System.out.println(TRACE_PREFIX + "Problem with input/output, see exception trace:");
+            System.out.println(ioe);
+        }
+        System.out.println(TRACE_PREFIX + "complete.");
+    } // end main
+} // end class
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/Cannon/CannonArtillerySimulation.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Cannon/CannonArtillerySimulation.java
new file mode 100644
index 0000000000000000000000000000000000000000..cc43ae2fd99bc4f5bf3b6800a75011cefb7fbbcc
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Cannon/CannonArtillerySimulation.java
@@ -0,0 +1,440 @@
+/**
+ * Copyright (c) 2008-2020, MOVES Institute, Naval Postgraduate School (NPS). All rights reserved.
+ * This work is provided under a BSD open-source license, see project license.html and license.txt
+ */
+package MV3500Cohort2020JulySeptember.homework4.Cannon;
+
+import MV3500Cohort2020JulySeptember.homework4.White.*;
+import edu.nps.moves.dis7.enumerations.*;
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class CannonArtillerySimulation {
+
+    // class variables
+    PduFactory pduFactory = new PduFactory();
+    DisThreadedNetworkInterface disNetworkInterface;
+    DisThreadedNetworkInterface.PduListener pduListener;
+    Pdu receivedPdu;
+
+    private String networkAddress = "localhost";//"10.1.105.8";
+    private int networkPort = 2317;
+
+    /**
+     * Constructor design goal: additional built-in initialization conveniences
+     * can go here to keep student efforts focused on the runSimulation()
+     * method.
+     */
+    public CannonArtillerySimulation() {
+        // Under consideration.  Constructor is not currently needed.
+    }
+
+    /**
+     * Utility Constructor
+     *
+     * @param address network address to use
+     * @param port corresponding network port to use
+     */
+    public CannonArtillerySimulation(String address, int port) {
+        setNetworkAddress(address);
+
+        setNetworkPort(port);
+    }
+
+    /**
+     * @return the networkAddress
+     */
+    public String getNetworkAddress() {
+        return networkAddress;
+    }
+
+    /**
+     * @param networkAddress the networkAddress to set
+     */
+    public final void setNetworkAddress(String networkAddress) {
+        this.networkAddress = networkAddress;
+    }
+
+    /**
+     * @return the networkPort
+     */
+    public int getNetworkPort() {
+        return networkPort;
+    }
+
+    /**
+     * @param networkPort the networkPort to set
+     */
+    public final void setNetworkPort(int networkPort) {
+        this.networkPort = networkPort;
+    }
+
+    /**
+     * Initialize network interface, choosing best available network interface
+     */
+    public void setUpNetworkInterface() {
+        disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort());
+
+        System.out.println("Network confirmation: address=" + disNetworkInterface.getMcastGroup() + " port=" + disNetworkInterface.getDisPort());
+        pduListener = new DisThreadedNetworkInterface.PduListener() {
+            /**
+             * Callback handler for listener
+             */
+            @Override
+            public void incomingPdu(Pdu newPdu) {
+                receivedPdu = newPdu;
+            }
+        };
+        disNetworkInterface.addListener(pduListener);
+    }
+
+    /**
+     * All done, release network resources
+     */
+    public void tearDownNetworkInterface() {
+        disNetworkInterface.removeListener(pduListener);
+        disNetworkInterface.kill();
+        disNetworkInterface = null;
+    }
+
+    /**
+     * Send a single Protocol Data Unit (PDU) of any type
+     *
+     * @param pdu the pdu to send
+     */
+    private void sendSinglePdu(Pdu pdu) {
+        try {
+            disNetworkInterface.send(pdu);
+            Thread.sleep(100); // TODO consider refactoring the wait logic and moving externally
+        } catch (InterruptedException ex) {
+            System.err.println(this.getClass().getName() + " Error sending PDU: " + ex.getLocalizedMessage());
+            System.exit(1);
+        }
+    }
+
+    /**
+     * Send EntityState, Fire, Comment PDUs
+     *
+     * @see
+     * <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing
+     * Information to a Method or a Constructor</a> Arbitrary Number of
+     * Arguments
+     * @param entityStatePdu the ESPDU to send, if any
+     * @param firePdu the FirePDU to send, if any
+     * @param commentType enumeration value describing the narrative comment
+     * @param comments String array of narrative comments
+     */
+    public void sendAllPdus(EntityStatePdu entityStatePdu,
+            FirePdu firePdu,
+            VariableRecordType commentType,
+            // vararg... variable length string
+            String... comments) {
+        if (entityStatePdu != null) {
+            sendSinglePdu(entityStatePdu);
+        }
+
+        if (firePdu != null) {
+            sendSinglePdu(firePdu); // bang
+        }
+        if ((comments != null) && (comments.length > 0)) {
+            ArrayList<String> newCommentsList = new ArrayList<>();
+            for (int i = 0; i < comments.length; i++) {
+                if (!comments[i].isEmpty()) {
+                    newCommentsList.add(comments[i]); // OK found something to send
+                }
+            }
+            if (!newCommentsList.isEmpty()) {
+                if (commentType == null) {
+                    commentType = VariableRecordType.OTHER;
+                }
+                CommentPdu commentPdu = pduFactory.makeCommentPdu(commentType, newCommentsList.toArray(new String[0])); // comments);
+                sendSinglePdu(commentPdu);
+            }
+        }
+    }
+
+    /**
+     * Main method is first executed when a program instance is loaded.
+     *
+     * @see
+     * <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java
+     * Tutorials: A Closer Look at the "Hello World!" Application</a>
+     * @param args command-line arguments are an array of optional String
+     * parameters that are passed from execution environment during invocation
+     */
+    public static void main(String[] args) {
+        CannonArtillerySimulation thisProgram = new CannonArtillerySimulation(); // creates instance
+
+        // initial execution: can handle args array of initialization arguments here
+        if (args.length == 2) {
+            if ((args[0] != null) && !args[0].isEmpty()) {
+                thisProgram.setNetworkAddress(args[0]);
+            }
+
+            if ((args[1] != null) && !args[1].isEmpty()) {
+                thisProgram.setNetworkPort(Integer.parseInt(args[1]));
+            }
+        } else if (args.length != 0) {
+            System.err.println("Usage: " + thisProgram.getClass().getName() + " [address port]");
+            System.exit(-1);
+        }
+        // OK here we go...
+
+        //thisProgram.setUpNetworkInterface();
+        thisProgram.runSimulation(); // customization code goes in there
+
+        //thisProgram.tearDownNetworkInterface();
+    }
+
+    /**
+     * Programmer-modifiable method for defining and running a new simulation of
+     * interest. Support include DIS EntityStatePdu, FirePdu and CommentPdu all
+     * available for modification and sending in a simulation loop.
+     */
+    @SuppressWarnings("SleepWhileInLoop")
+    public void runSimulation() {
+        try {
+            final double LOOP_DURATION_SECONDS = 1.0; // seconds
+            final int MAX_LOOP_COUNT = 10;
+            int loopCount = 0;
+            VariableRecordType narrativeType = VariableRecordType.OTHER; // of potential use
+            boolean simulationComplete = false; // sentinel variable as termination condition
+            boolean fireBool = false;
+            boolean destBool = false;
+
+            // TODO reset clock to zero each time for consistent outputs.
+            // your model setup: who's who in this zoo?
+            // create PDU objects and set their values
+            //Vector3Double eloc3 = new Vector3Double();
+            //double[] loc3 = CoordinateConversions.getXYZfromLatLonDegrees(36.6327591, -121.9232494, 0);//My house will be the firing location of the paladin. 36.6327591,-121.9232494,18.71z
+            EntityID entityID_1 = new EntityID();
+            entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID
+
+            EntityStatePdu entityStatePdu = pduFactory.makeEntityStatePdu();
+            entityStatePdu.setEntityID(entityID_1);
+
+            EntityID paladinID = new EntityID();
+            paladinID.setSiteID(2);
+            paladinID.setApplicationID(10);
+            paladinID.setEntityID(3);
+            entityStatePdu.setEntityID(paladinID);
+            EntityType paladinType = new EntityType(); //1.1.225.4.3.7 M109A6 Paladin (Self-proppelled howitzer)
+            paladinType.setEntityKind(EntityKind.PLATFORM);
+            paladinType.setDomain(Domain.inst(PlatformDomain.LAND));
+            paladinType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+            paladinType.setCategory(4); //4
+            paladinType.setSubCategory(3); //3
+            paladinType.setSpecific(7); //7
+
+            entityStatePdu.setEntityType(paladinType);
+            Vector3Double eloc2 = new Vector3Double();
+            double[] loc2 = CoordinateConversions.getXYZfromLatLonDegrees(36.6327591, -121.9232494, 0);//My house will be the firing location of the paladin. 36.6327591,-121.9232494,18.71z
+            eloc2.setX(loc2[0]);
+            eloc2.setY(loc2[1]);
+            eloc2.setZ(loc2[2]);
+            entityStatePdu.setEntityLocation(eloc2);
+            EulerAngles orient2 = new EulerAngles();
+            orient2.setPhi((float) 0.0);
+            orient2.setPsi((float) 0.0);
+            orient2.setTheta((float) 0.0);
+            entityStatePdu.setEntityOrientation(orient2);
+
+            EntityStatePdu entityStatePdu2 = pduFactory.makeEntityStatePdu();
+
+            EntityID bmpID = new EntityID();
+            bmpID.setSiteID(1);
+            bmpID.setApplicationID(13);
+            bmpID.setEntityID(2);
+            entityStatePdu2.setEntityID(bmpID);
+            EntityType bmpType = new EntityType(); //1.1.222.2.2.1 Platform,Ground,Russia,ArmoredFightingVehicle,BMP2,BMP2
+            bmpType.setEntityKind(EntityKind.PLATFORM);
+            bmpType.setDomain(Domain.inst(PlatformDomain.LAND));
+            bmpType.setCountry(Country.RUSSIA);
+            bmpType.setCategory(2);
+            bmpType.setSubCategory(41);
+            bmpType.setSpecific(3);
+            entityStatePdu2.setEntityType(bmpType);
+            Vector3Double eloc1 = new Vector3Double();
+            double[] loc1 = CoordinateConversions.getXYZfromLatLonDegrees(36.594116, -121.877463, 0); //NPS Main Gate
+            eloc1.setX(loc1[0]);
+            eloc1.setY(loc1[1]);
+            eloc1.setZ(loc1[2]);
+
+            entityStatePdu2.setEntityLocation(eloc1);
+            EulerAngles orient1 = new EulerAngles();
+            orient1.setPhi((float) 0.0);
+            orient1.setPsi((float) 0.0);
+            orient1.setTheta((float) 0.0);
+            entityStatePdu2.setEntityOrientation(orient1);
+
+            int BMPHitsReceived = 0;
+            System.out.println("Firing Position Location");
+            System.out.println(eloc2.toString());
+            System.out.println("****************");
+            System.out.println("BMP Location");
+            System.out.println(eloc1.toString());
+
+            //FirePdu firePduNull = new FirePdu();
+            FirePdu firePdu = pduFactory.makeFirePdu();
+            EntityID fireID = new EntityID();
+            fireID.setSiteID(2);
+            fireID.setApplicationID(10);
+            fireID.setEntityID(3);
+            EntityID targetID = new EntityID();
+            targetID.setSiteID(1);
+            targetID.setApplicationID(13);
+            targetID.setEntityID(2);
+
+            firePdu.setFiringEntityID(fireID);
+            firePdu.setTargetEntityID(targetID);
+
+            EntityType HEType = new EntityType(); //2.9.225.2.14.20.2 HE 795 W/ PD FUZE
+            HEType.setEntityKind(EntityKind.MUNITION);
+            HEType.setDomain(Domain.inst(PlatformDomain.AIR));
+            HEType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+            HEType.setCategory(2); //HE is 2
+            HEType.setSubCategory(14); //14
+            HEType.setSpecific(1); //20
+            HEType.setExtra(2);  //HE PD
+            MunitionDescriptor HEIT = new MunitionDescriptor();
+            HEIT.setMunitionType(HEType);
+            HEIT.setQuantity(6);
+            HEIT.setFuse(MunitionDescriptorFuse.CONTACT_GRAZE);
+            HEIT.setRate(600);
+            firePdu.setDescriptor(HEIT);
+            EntityID HEID = new EntityID();
+            HEID.setEntityID(1);
+            firePdu.setMunitionExpendibleID(HEID);
+
+            Double dx = eloc2.getX() - eloc1.getX();
+            Double dy = eloc2.getY() - eloc1.getY();
+            Double range = Math.sqrt(dx * dx + dy * dy);
+            System.out.println("THE M109A6 PALADIN WILL FIRE 6 VOLLEYS OF HE/PD USING CHARGE 1L FOR DISTANCE OF " + range + " METERS AT HIGH ANGLE");
+
+            CommentReliablePdu bmpDestroyedComment = pduFactory.makeCommentReliablePdu("BMP2 DESTROYED BY M109A6 AFTER SIX VOLLEYS OF HE/PD ON TARGET");
+            while (loopCount < MAX_LOOP_COUNT) // loop the simulation while allowed, can set additional conditions to break
+            {
+                String narrativeMessage1, narrativeMessage2, narrativeMessage3, narrativeMessage4;
+                narrativeMessage4 = "";
+                // initialize loop variables
+                loopCount++;
+
+                // =============================================================================================
+                // your own simulation code starts here!
+                // compute a track, update an ESPDU, whatever it is that your model is doing...
+                // Where is my entity?
+
+                System.out.println("Entity#" + firePdu.getFiringEntityID().getEntityID() + " is firing "
+                        + firePdu.getDescriptor().getMunitionType().getDomain() + "." + firePdu.getDescriptor().getMunitionType().getCountry()
+                        + "." + firePdu.getDescriptor().getMunitionType().getCategory() + "." + firePdu.getDescriptor().getMunitionType().getSubCategory()
+                        + "." + firePdu.getDescriptor().getMunitionType().getSpecific() + "." + firePdu.getDescriptor().getMunitionType().getExtra() + "." + "at Entity#" + firePdu.getTargetEntityID().getEntityID());
+                fireBool = true;
+                if (firePdu.getTargetEntityID().getEntityID() == 2) {
+                    BMPHitsReceived += 1;
+                    if (BMPHitsReceived > 5) {
+                        //DESTROY THE BMP!
+
+                        System.out.println("BMP Destroyed after " + BMPHitsReceived + " hits from 155mm Indirect Fire");
+                        narrativeMessage4 = "Destroyed BMP2";
+                        destBool = true;
+                    }
+                }
+
+                // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending)
+                narrativeMessage1 = "MV3500 ExampleSimulationProgram";
+                narrativeMessage2 = "runSimulation() loop " + loopCount;
+                narrativeMessage3 = "M109A6 Paladin"; // intentionally blank for testing
+                if (narrativeMessage4.isEmpty()) {
+                    narrativeMessage4 = "BMP2";
+                }
+                // your loop termination condition goes here
+                if (loopCount > 5) // for example
+                {
+                    simulationComplete = true;
+                }
+                // your own simulation code is finished here!
+                // =============================================================================================
+
+                // keep track of timestep: wait duration for elapsed time in this loop
+                // Thread.sleep needs a (long) parameter for milliseconds, which are clumsy to use sometimes
+                Thread.sleep((long) (LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds
+                System.out.println("... Pausing for " + LOOP_DURATION_SECONDS + " seconds");
+
+                // send the status PDUs for this loop and continue
+                System.out.println("sending PDUs for simulation step " + loopCount + ", monitor loopback to confirm sent");
+                //sendAllPdus(entityStatePdu, firePduNull, null, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+                //sendAllPdus(entityStatePdu2, null, null, narrativeMessage1, narrativeMessage2, narrativeMessage4);
+                sendPDU(entityStatePdu);
+                sendPDU(entityStatePdu2);
+                if (fireBool) {
+                    sendPDU(firePdu);
+                }
+                if (destBool) {
+                    sendPDU(bmpDestroyedComment);
+                }
+                System.out.println("... PDUs successfully sent");
+
+                // ===============================
+                // loop now finished, thus terminate if simulation complete, otherwise send latest PDUs and continue
+                if (simulationComplete || (loopCount > 10000)) // for example; including fail-safe condition is good
+                {
+                    CommentReliablePdu completionPdu = pduFactory.makeCommentReliablePdu("Cannon Simulation Completed");
+                    sendPDU(completionPdu);
+                    System.out.println("... Termination condition met, simulationComplete=" + simulationComplete);
+                    break;
+                }
+            }   // end of while loop
+        } catch (Exception ex) // handle any exception that your code might choose to provoke!
+        {
+            Logger.getLogger(CannonArtillerySimulation.class.getName()).log(Level.SEVERE, null, ex);
+        }
+
+    }
+
+    public void sendPDU(Pdu pdu) {
+        System.out.println("Sending a PDU");
+        MulticastSocket socket = null; // must be initialized, even if null
+        InetAddress destinationIp = null; // must be initialized, even if null
+
+        try {
+            destinationIp = InetAddress.getByName(networkAddress);
+        } catch (UnknownHostException e) {
+            System.out.println(e + " Cannot create address");
+            System.exit(0);
+        }
+        try {
+            // Set up a socket to send information
+            socket = new MulticastSocket(2317);
+        } catch (IOException ex) {
+            Logger.getLogger(MV3500Cohort2020JulySeptember.homework4.White.working.WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+        }
+
+        Set<InetAddress> broadcastAddresses;
+        // Loop through sending one ESPDUs
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(baos);
+        try {
+            pdu.marshal(dos);
+            byte[] data = baos.toByteArray();
+
+            DatagramPacket packet = new DatagramPacket(data, data.length, destinationIp, 2317);
+            socket.send(packet);
+            socket.close();
+        } catch (Exception ex) {
+            Logger.getLogger(MV3500Cohort2020JulySeptember.homework4.White.working.WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+        }
+    }
+
+}
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/Cannon/CannonOutputLog.md b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Cannon/CannonOutputLog.md
new file mode 100644
index 0000000000000000000000000000000000000000..3645bf9e062f9f972aa1218b248ab73c40c09f28
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Cannon/CannonOutputLog.md
@@ -0,0 +1,69 @@
+[MV3500Cohort2020JulySeptember.homework4.Cannon.PDUReciever] started...
+[MV3500Cohort2020JulySeptember.homework4.Cannon.PDUReciever] listening for PDU packets on port 2317
+====================================================
+  1. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /127.0.0.1
+     entityID triplet: [2, 10, 3] 
+     New Entity: EntityKind 1 PLATFORM Land Country 225 UNITED_STATES_OF_AMERICA_USA 4 3 7
+     Location in DIS coordinates:        [-2709702.5301454174, -4349384.2159421, 3784766.9772485564]
+  2. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /127.0.0.1
+     entityID triplet: [1, 13, 2] 
+     New Entity: EntityKind 1 PLATFORM Land Country 260 RUSSIA 2 41 3
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+  3. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /127.0.0.1
+     firingEntityID triplet: [2, 10, 3] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.14.1.2]
+  4. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /127.0.0.1
+     entityID triplet: [2, 10, 3] 
+     Location in DIS coordinates:        [-2709702.5301454174, -4349384.2159421, 3784766.9772485564]
+  5. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /127.0.0.1
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+  6. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /127.0.0.1
+     firingEntityID triplet: [2, 10, 3] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.14.1.2]
+  7. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /127.0.0.1
+     entityID triplet: [2, 10, 3] 
+     Location in DIS coordinates:        [-2709702.5301454174, -4349384.2159421, 3784766.9772485564]
+  8. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /127.0.0.1
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+  9. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /127.0.0.1
+     firingEntityID triplet: [2, 10, 3] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.14.1.2]
+ 10. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /127.0.0.1
+     entityID triplet: [2, 10, 3] 
+     Location in DIS coordinates:        [-2709702.5301454174, -4349384.2159421, 3784766.9772485564]
+ 11. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /127.0.0.1
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 12. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /127.0.0.1
+     firingEntityID triplet: [2, 10, 3] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.14.1.2]
+ 13. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /127.0.0.1
+     entityID triplet: [2, 10, 3] 
+     Location in DIS coordinates:        [-2709702.5301454174, -4349384.2159421, 3784766.9772485564]
+ 14. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /127.0.0.1
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 15. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /127.0.0.1
+     firingEntityID triplet: [2, 10, 3] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.14.1.2]
+ 16. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /127.0.0.1
+     entityID triplet: [2, 10, 3] 
+     Location in DIS coordinates:        [-2709702.5301454174, -4349384.2159421, 3784766.9772485564]
+ 17. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /127.0.0.1
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 18. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /127.0.0.1
+     firingEntityID triplet: [2, 10, 3] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.14.1.2]
+ 19. received PDU type 62=COMMENT_RELIABLE edu.nps.moves.dis7.pdus.CommentReliablePdu  from /127.0.0.1
+     messages:  "BMP2 DESTROYED BY M109A6 AFTER SIX VOLLEYS OF HE/PD ON TARGET"
+ 20. received PDU type 62=COMMENT_RELIABLE edu.nps.moves.dis7.pdus.CommentReliablePdu  from /127.0.0.1
+     messages:  "Cannon Simulation Completed"
\ No newline at end of file
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/Cannon/PDUReciever.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Cannon/PDUReciever.java
new file mode 100755
index 0000000000000000000000000000000000000000..6a601f054ecbf0077a875085a05f2df6b1b654d1
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Cannon/PDUReciever.java
@@ -0,0 +1,128 @@
+package MV3500Cohort2020JulySeptember.homework4.Cannon;
+
+import MV3500Cohort2020JulySeptember.homework4.White.working.*;
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+
+/**
+ * Receives PDUs from GermanyEspduReceiverEspduVPNSender in IEEE DIS format.
+ *
+ * @date 09/05/2020
+ * @author Bernd/Stefan
+ * @version 0.1
+ */
+public class PDUReciever {
+
+    /**
+     * Max size of a PDU in binary format that we can receive. This is actually
+     * somewhat outdated--PDUs can be larger--but this is a reasonable starting
+     * point.
+     */
+    public static final int MAX_PDU_SIZE = 8192;
+
+    /**
+     * Default port used, matches Wireshark DIS capture default
+     */
+    public static final int DEFAULT_PORT = 2317;
+    public static final int SECOND_PORT = 3000;
+    public static final int THIRD_PORT = 2318;
+    
+    
+    /**
+     * Output prefix to identify this class
+     */
+    private final static String TRACE_PREFIX = "[" + PDUReciever.class.getName() + "] ";
+
+    public static void main(String args[]) {
+        System.out.println(TRACE_PREFIX + "started...");
+
+        MulticastSocket socket1;
+        MulticastSocket socket2;
+        MulticastSocket socket3;
+        DatagramPacket packet;
+        DatagramPacket packet2;
+        DatagramPacket packet3;
+        PduFactory pduFactory = new PduFactory();
+        ArrayList<EntityID> knownEntities = new ArrayList<EntityID>();
+        int pduCount = 0;
+
+        try {
+            // Specify the socket to receive data
+            socket1 = new MulticastSocket(DEFAULT_PORT);
+            socket2 = new MulticastSocket(SECOND_PORT);
+            socket3 = new MulticastSocket(THIRD_PORT);
+            
+            System.out.println(TRACE_PREFIX + "listening for PDU packets on port " + DEFAULT_PORT );//+ " " + SECOND_PORT + " " + THIRD_PORT);
+            System.out.println("====================================================");
+
+            while (true) // Loop infinitely, receiving datagrams
+            {
+                byte buffer[] = new byte[MAX_PDU_SIZE];
+                packet = new DatagramPacket(buffer, buffer.length);
+
+                socket1.receive(packet);
+                
+                
+                
+                List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData(), packet.getLength());
+                if (pduBundle.size() > 1) { // should be 1 for this project
+                    System.out.println("Bundle size is " + pduBundle.size());
+                }
+
+                // end iterator loop through PDU bundle
+                for (Pdu aPdu : pduBundle) {
+                    pduCount++;
+                    String receiptMessage = String.format("%3s", pduCount) // right justify, 3 characters
+                            + ". received PDU type " + aPdu.getPduType().getValue() + "=" + aPdu.getPduType().name() + " " + aPdu.getClass().getName() + "  from " + packet.getAddress();
+                    if (aPdu instanceof EntityStatePdu) {
+                        System.out.println(receiptMessage);
+                        EntityID entityID = ((EntityStatePdu) aPdu).getEntityID();
+                        Vector3Double position = ((EntityStatePdu) aPdu).getEntityLocation();
+                        System.out.println("     entityID triplet: [" + entityID.getSiteID() + ", " + entityID.getApplicationID() + ", " + entityID.getEntityID() + "] ");
+                        if (!knownEntities.contains(entityID)){
+                            knownEntities.add(entityID);
+                            EntityType entityType = ((EntityStatePdu) aPdu).getEntityType();
+                            System.out.println("     New Entity: " +entityType.getEntityKind() + " "+ entityType.getDomain() + " "+ entityType.getCountry() + " "+  entityType.getCategory() + " "+ entityType.getSubCategory() + " "+  entityType.getSpecific() );
+                        }
+                        System.out.println("     Location in DIS coordinates:        [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
+
+                    }
+                    else if (aPdu instanceof FirePdu){
+                        System.out.println(receiptMessage);
+                        EntityID firingEntityID = ((FirePdu) aPdu).getFiringEntityID();
+                        EntityID targetEntityID = ((FirePdu) aPdu).getTargetEntityID();
+                        MunitionDescriptor munitionDescriptor = ((FirePdu) aPdu).getDescriptor();
+                        System.out.println("     firingEntityID triplet: [" + firingEntityID.getSiteID() + ", " + firingEntityID.getApplicationID() + ", " + firingEntityID.getEntityID() + "] ");
+                        System.out.println("     targetEntityID triplet: [" + targetEntityID.getSiteID() + ", " + targetEntityID.getApplicationID() + ", " + targetEntityID.getEntityID() + "] ");
+                        System.out.println("     Munition Information:   [" + munitionDescriptor.getMunitionType().getDomain() + "."+munitionDescriptor.getMunitionType().getCountry()   + "." + munitionDescriptor.getMunitionType().getCategory() + "."+ munitionDescriptor.getMunitionType().getSubCategory() + "." + munitionDescriptor.getMunitionType().getSpecific() + "." + munitionDescriptor.getMunitionType().getExtra() +  "]");
+                    }
+                    else if (aPdu instanceof CommentReliablePdu){
+                        System.out.println(receiptMessage);
+                       ArrayList<VariableDatum> payloadList = (ArrayList)((CommentReliablePdu) aPdu).getVariableDatumRecords();
+                    if (!payloadList.isEmpty())
+                        System.out.print  ("     messages: ");
+                    for (VariableDatum variableDatum : payloadList)
+                    {
+                        String nextComment = new String(variableDatum.getVariableDatumValue()); // convert byte[] to String
+                        System.out.print  (" \"" + nextComment + "\"");
+                        System.out.println();
+                    }
+                    } //OTHER PDU TYPES
+                    else {
+                        System.out.println(receiptMessage);
+                    }
+                } // end of bundle loop
+                
+            } // end of while loop
+        } // end try block // end try block // end try block // end try block
+        catch (IOException ioe) {
+            System.out.println(TRACE_PREFIX + "Problem with input/output, see exception trace:");
+            System.out.println(ioe);
+        }
+        System.out.println(TRACE_PREFIX + "complete.");
+    } // end main
+} // end class
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/PDUReciever.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/PDUReciever.java
new file mode 100755
index 0000000000000000000000000000000000000000..5ab4c55cfd26e8629ba58a195b819a1c0d3c3fbe
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/PDUReciever.java
@@ -0,0 +1,128 @@
+package MV3500Cohort2020JulySeptember.homework4.White;
+
+import MV3500Cohort2020JulySeptember.homework4.White.working.*;
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+
+/**
+ * Receives PDUs from GermanyEspduReceiverEspduVPNSender in IEEE DIS format.
+ *
+ * @date 09/05/2020
+ * @author Bernd/Stefan
+ * @version 0.1
+ */
+public class PDUReciever {
+
+    /**
+     * Max size of a PDU in binary format that we can receive. This is actually
+     * somewhat outdated--PDUs can be larger--but this is a reasonable starting
+     * point.
+     */
+    public static final int MAX_PDU_SIZE = 8192;
+
+    /**
+     * Default port used, matches Wireshark DIS capture default
+     */
+    public static final int DEFAULT_PORT = 2317;
+    public static final int SECOND_PORT = 3000;
+    public static final int THIRD_PORT = 2318;
+    
+    
+    /**
+     * Output prefix to identify this class
+     */
+    private final static String TRACE_PREFIX = "[" + PDUReciever.class.getName() + "] ";
+
+    public static void main(String args[]) {
+        System.out.println(TRACE_PREFIX + "started...");
+
+        MulticastSocket socket1;
+        MulticastSocket socket2;
+        MulticastSocket socket3;
+        DatagramPacket packet;
+        DatagramPacket packet2;
+        DatagramPacket packet3;
+        PduFactory pduFactory = new PduFactory();
+        ArrayList<EntityID> knownEntities = new ArrayList<EntityID>();
+        int pduCount = 0;
+
+        try {
+            // Specify the socket to receive data
+            socket1 = new MulticastSocket(DEFAULT_PORT);
+            socket2 = new MulticastSocket(SECOND_PORT);
+            socket3 = new MulticastSocket(THIRD_PORT);
+            
+            System.out.println(TRACE_PREFIX + "listening for PDU packets on port " + DEFAULT_PORT );//+ " " + SECOND_PORT + " " + THIRD_PORT);
+            System.out.println("====================================================");
+
+            while (true) // Loop infinitely, receiving datagrams
+            {
+                byte buffer[] = new byte[MAX_PDU_SIZE];
+                packet = new DatagramPacket(buffer, buffer.length);
+
+                socket1.receive(packet);
+                
+                
+                
+                List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData(), packet.getLength());
+                if (pduBundle.size() > 1) { // should be 1 for this project
+                    System.out.println("Bundle size is " + pduBundle.size());
+                }
+
+                // end iterator loop through PDU bundle
+                for (Pdu aPdu : pduBundle) {
+                    pduCount++;
+                    String receiptMessage = String.format("%3s", pduCount) // right justify, 3 characters
+                            + ". received PDU type " + aPdu.getPduType().getValue() + "=" + aPdu.getPduType().name() + " " + aPdu.getClass().getName() + "  from " + packet.getAddress();
+                    if (aPdu instanceof EntityStatePdu) {
+                        System.out.println(receiptMessage);
+                        EntityID entityID = ((EntityStatePdu) aPdu).getEntityID();
+                        Vector3Double position = ((EntityStatePdu) aPdu).getEntityLocation();
+                        System.out.println("     entityID triplet: [" + entityID.getSiteID() + ", " + entityID.getApplicationID() + ", " + entityID.getEntityID() + "] ");
+                        if (!knownEntities.contains(entityID)){
+                            knownEntities.add(entityID);
+                            EntityType entityType = ((EntityStatePdu) aPdu).getEntityType();
+                            System.out.println("     New Entity: " +entityType.getEntityKind() + " "+ entityType.getDomain() + " "+ entityType.getCountry() + " "+  entityType.getCategory() + " "+ entityType.getSubCategory() + " "+  entityType.getSpecific() );
+                        }
+                        System.out.println("     Location in DIS coordinates:        [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
+
+                    }
+                    else if (aPdu instanceof FirePdu){
+                        System.out.println(receiptMessage);
+                        EntityID firingEntityID = ((FirePdu) aPdu).getFiringEntityID();
+                        EntityID targetEntityID = ((FirePdu) aPdu).getTargetEntityID();
+                        MunitionDescriptor munitionDescriptor = ((FirePdu) aPdu).getDescriptor();
+                        System.out.println("     firingEntityID triplet: [" + firingEntityID.getSiteID() + ", " + firingEntityID.getApplicationID() + ", " + firingEntityID.getEntityID() + "] ");
+                        System.out.println("     targetEntityID triplet: [" + targetEntityID.getSiteID() + ", " + targetEntityID.getApplicationID() + ", " + targetEntityID.getEntityID() + "] ");
+                        System.out.println("     Munition Information:   [" + munitionDescriptor.getMunitionType().getDomain() + "."+munitionDescriptor.getMunitionType().getCountry()   + "." + munitionDescriptor.getMunitionType().getCategory() + "."+ munitionDescriptor.getMunitionType().getSubCategory() + "." + munitionDescriptor.getMunitionType().getSpecific() + "]");
+                    }
+                    else if (aPdu instanceof CommentReliablePdu){
+                        System.out.println(receiptMessage);
+                       ArrayList<VariableDatum> payloadList = (ArrayList)((CommentReliablePdu) aPdu).getVariableDatumRecords();
+                    if (!payloadList.isEmpty())
+                        System.out.print  ("     messages: ");
+                    for (VariableDatum variableDatum : payloadList)
+                    {
+                        String nextComment = new String(variableDatum.getVariableDatumValue()); // convert byte[] to String
+                        System.out.print  (" \"" + nextComment + "\"");
+                        System.out.println();
+                    }
+                    } //OTHER PDU TYPES
+                    else {
+                        System.out.println(receiptMessage);
+                    }
+                } // end of bundle loop
+                
+            } // end of while loop
+        } // end try block // end try block // end try block // end try block
+        catch (IOException ioe) {
+            System.out.println(TRACE_PREFIX + "Problem with input/output, see exception trace:");
+            System.out.println(ioe);
+        }
+        System.out.println(TRACE_PREFIX + "complete.");
+    } // end main
+} // end class
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/Receiver Output Log.md b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/Receiver Output Log.md
new file mode 100644
index 0000000000000000000000000000000000000000..a8efe650eb11ff581caeb9df98b2d1f61b0ba690
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/Receiver Output Log.md	
@@ -0,0 +1,46 @@
+[MV3500Cohort2020JulySeptember.homework4.White.working.PDUReciever] started...
+[MV3500Cohort2020JulySeptember.homework4.White.working.PDUReciever] listening for PDU packets on port 2317
+====================================================
+  1. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 25] 
+New Entity: EntityKind 1 PLATFORM Land Country 225 UNITED_STATES_OF_AMERICA_USA 2 41 3
+     Location in DIS coordinates:        [-2707501.7340396782, -4353408.810297934, 3781834.0645668795]
+  2. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 25] 
+     Location in DIS coordinates:        [-2707521.7340396782, -4353483.810297934, 3781834.0645668795]
+  3. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 2] 
+New Entity: EntityKind 1 PLATFORM Land Country 260 RUSSIA 2 41 3
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+  4. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 25] 
+     Location in DIS coordinates:        [-2707541.7340396782, -4353558.810297934, 3781834.0645668795]
+  5. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+  6. received PDU type 62=COMMENT_RELIABLE edu.nps.moves.dis7.pdus.CommentReliablePdu  from /10.1.105.7
+     messages:  "LAV25-A2 ACQUIRES TARGET BMP2 WITHIN FIRING DISTANCE"
+  7. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 25] 
+     Location in DIS coordinates:        [-2707561.7340396782, -4353633.810297934, 3781834.0645668795]
+  8. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+  9. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /10.1.105.7
+     firingEntityID triplet: [1, 13, 25] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.2.1]
+ 10. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 25] 
+     Location in DIS coordinates:        [-2707581.7340396782, -4353708.810297934, 3781834.0645668795]
+ 11. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 12. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /10.1.105.7
+     firingEntityID triplet: [1, 13, 25] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.2.1]
+ 13. received PDU type 62=COMMENT_RELIABLE edu.nps.moves.dis7.pdus.CommentReliablePdu  from /10.1.105.7
+     messages:  "BMP2 DESTROYED BY LAV25-A2 AFTER TWO BURSTS OF 25mm HEI-T ON TARGET"
+ 14. received PDU type 62=COMMENT_RELIABLE edu.nps.moves.dis7.pdus.CommentReliablePdu  from /10.1.105.7
+     messages:  "White Simulation Completed"
\ No newline at end of file
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/WhiteSimulation.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/WhiteSimulation.java
new file mode 100644
index 0000000000000000000000000000000000000000..9d95854ece52932f2ad8ae6bde531820449d9ff1
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/WhiteSimulation.java
@@ -0,0 +1,462 @@
+/**
+ * Copyright (c) 2008-2020, MOVES Institute, Naval Postgraduate School (NPS). All rights reserved.
+ * This work is provided under a BSD open-source license, see project license.html and license.txt
+ */
+package MV3500Cohort2020JulySeptember.homework4.White;
+
+import MV3500Cohort2020JulySeptember.homework4.White.working.*;
+import MV3500Cohort2020JulySeptember.homework4.White.*;
+import edu.nps.moves.dis7.enumerations.*;
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class WhiteSimulation
+{
+    // class variables
+    PduFactory pduFactory = new PduFactory();
+    DisThreadedNetworkInterface disNetworkInterface;
+    DisThreadedNetworkInterface.PduListener pduListener;
+    Pdu receivedPdu;
+    
+    private String networkAddress = "10.1.105.7";
+    private int    networkPort    = 2317;
+    
+    /**
+     * Constructor design goal: additional built-in initialization conveniences can go here
+     * to keep student efforts focused on the runSimulation() method.
+     */
+    public WhiteSimulation()
+    {
+        // Under consideration.  Constructor is not currently needed.
+    }
+    
+    /**
+     * Utility Constructor
+     * @param address network address to use
+     * @param port corresponding network port to use
+     */
+    public WhiteSimulation(String address, int port)
+    {
+        setNetworkAddress(address);
+        
+        setNetworkPort(port);
+    }
+
+    /**
+     * @return the networkAddress
+     */
+    public String getNetworkAddress()
+    {
+        return networkAddress;
+    }
+
+    /**
+     * @param networkAddress the networkAddress to set
+     */
+    public final void setNetworkAddress(String networkAddress)
+    {
+        this.networkAddress = networkAddress;
+    }
+
+    /**
+     * @return the networkPort
+     */
+    public int getNetworkPort()
+    {
+        return networkPort;
+    }
+
+    /**
+     * @param networkPort the networkPort to set
+     */
+    public final void setNetworkPort(int networkPort)
+    {
+        this.networkPort = networkPort;
+    }
+
+    /**
+     * Initialize network interface, choosing best available network interface
+     */
+    public void setUpNetworkInterface()
+    {
+        disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort());
+        
+        System.out.println("Network confirmation: address=" + disNetworkInterface.getMcastGroup() + " port=" + disNetworkInterface.getDisPort());
+        pduListener = new DisThreadedNetworkInterface.PduListener()
+        {
+            /** Callback handler for listener */
+            @Override
+            public void incomingPdu(Pdu newPdu)
+            {
+                receivedPdu = newPdu;
+            }
+        };
+        disNetworkInterface.addListener(pduListener);
+    }
+
+    /** All done, release network resources */
+    public void tearDownNetworkInterface()
+    {
+        disNetworkInterface.removeListener(pduListener);
+        disNetworkInterface.kill();
+        disNetworkInterface = null;
+    }
+
+    /** 
+     * Send a single Protocol Data Unit (PDU) of any type
+     * @param pdu the pdu to send
+     */
+    private void sendSinglePdu(Pdu pdu)
+    {
+        try
+        {
+            disNetworkInterface.send(pdu);
+            Thread.sleep(100); // TODO consider refactoring the wait logic and moving externally
+        } 
+        catch (InterruptedException ex)
+        {
+            System.err.println(this.getClass().getName() + " Error sending PDU: " + ex.getLocalizedMessage());
+            System.exit(1);
+        }
+    }
+
+    /**
+     * Send EntityState, Fire, Comment PDUs
+     * @see <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing Information to a Method or a Constructor</a> Arbitrary Number of Arguments
+     * @param entityStatePdu the ESPDU to send, if any
+     * @param firePdu        the FirePDU to send, if any
+     * @param commentType    enumeration value describing the narrative comment
+     * @param comments       String array of narrative comments
+     */
+    public void sendAllPdus(EntityStatePdu entityStatePdu,
+                               FirePdu firePdu,
+                               VariableRecordType commentType,
+                               // vararg... variable length string
+                               String... comments)
+    {
+        if (entityStatePdu != null)
+            sendPDU(entityStatePdu);
+            
+        if (firePdu != null)
+            sendPDU(firePdu); // bang
+        
+        if ((comments != null) && (comments.length > 0))
+        {
+            ArrayList<String> newCommentsList = new ArrayList<>();
+            for (int i = 0; i < comments.length; i++)
+            {
+                if (!comments[i].isEmpty())
+                     newCommentsList.add(comments[i]); // OK found something to send
+            }
+            if (!newCommentsList.isEmpty())
+            {
+                if (commentType == null)
+                    commentType = VariableRecordType.OTHER;
+                CommentPdu commentPdu = pduFactory.makeCommentPdu(commentType, newCommentsList.toArray(new String[0])); // comments);
+                sendPDU(commentPdu);
+            }
+        }
+    }
+  
+    /**
+     * Main method is first executed when a program instance is loaded.
+     * @see <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java Tutorials: A Closer Look at the "Hello World!" Application</a>
+     * @param args command-line arguments are an array of optional String parameters that are passed from execution environment during invocation
+     */
+    public static void main(String[] args)
+    {
+        WhiteSimulation thisProgram = new WhiteSimulation(); // creates instance
+        
+        // initial execution: can handle args array of initialization arguments here
+        if (args.length == 2)
+        {
+            if ((args[0] != null) && !args[0].isEmpty())
+                thisProgram.setNetworkAddress(args[0]);
+            
+            if ((args[1] != null) && !args[1].isEmpty())
+                thisProgram.setNetworkPort(Integer.parseInt(args[1]));
+        }
+        else if (args.length != 0)
+        {
+            System.err.println("Usage: " + thisProgram.getClass().getName() + " [address port]");
+            System.exit(-1);
+        }
+        // OK here we go...
+
+        //thisProgram.setUpNetworkInterface();
+
+        thisProgram.runSimulation (); // customization code goes in there
+
+        //thisProgram.tearDownNetworkInterface();
+    }
+    
+    /**
+     * Programmer-modifiable method for defining and running a new simulation of interest.
+     * Support include DIS EntityStatePdu, FirePdu and CommentPdu all available for 
+     * modification and sending in a simulation loop.
+     */
+    @SuppressWarnings("SleepWhileInLoop")
+    public void runSimulation ()
+    {
+      try
+      {
+        final double LOOP_DURATION_SECONDS  =  1.0; // seconds
+        final int    MAX_LOOP_COUNT = 10;
+              int    loopCount = 0;
+        VariableRecordType narrativeType = VariableRecordType.OTHER; // of potential use
+        boolean simulationComplete = false; // sentinel variable as termination condition
+        boolean fireBool = false;
+        boolean destBool = false;
+        // TODO reset clock to zero each time for consistent outputs.
+        
+        // your model setup: who's who in this zoo?
+        // create PDU objects and set their values
+        
+         Vector3Double eloc3 = new Vector3Double();
+         double[] loc3 = CoordinateConversions.getXYZfromLatLonDegrees(36.600757, -121.869309, 0 );//NPS Corner by lake
+        
+        EntityID       entityID_1    = new EntityID();
+        entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID
+
+        EntityStatePdu entityStatePdu = pduFactory.makeEntityStatePdu();
+        entityStatePdu.setEntityID(entityID_1);
+        
+        
+        
+                                EntityID lavID = new EntityID();
+                                lavID.setSiteID(1);
+                                lavID.setApplicationID(13);
+                                lavID.setEntityID(25);
+                                entityStatePdu.setEntityID(lavID);
+                                EntityType lavType = new EntityType(); //1.1.225.2.41.3 Platform,Ground,USA,ArmoredFightingVehicle,LAV,LAV25A2
+                                lavType.setEntityKind(EntityKind.PLATFORM);
+                                lavType.setDomain(Domain.inst(PlatformDomain.LAND));
+                                lavType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+                                lavType.setCategory(2);
+                                lavType.setSubCategory(41);
+                                lavType.setSpecific(3);
+                                entityStatePdu.setEntityType(lavType);
+                                
+                                Vector3Double eloc2 = new Vector3Double();
+                                double[] loc2 = CoordinateConversions.getXYZfromLatLonDegrees(36.599831, -121.878842, 0); //sloat delmonte intersection
+                                eloc2.setX(loc2[0]);
+                                eloc2.setY(loc2[1]);
+                                eloc2.setZ(loc2[2]);
+                                entityStatePdu.setEntityLocation(eloc2);
+                                EulerAngles orient2 = new EulerAngles();
+                                orient2.setPhi((float) 0.0);
+                                orient2.setPsi((float) 0.0);
+                                orient2.setTheta((float) 0.0);                                
+                                entityStatePdu.setEntityOrientation(orient2);
+        
+                                EntityStatePdu entityStatePdu2 = pduFactory.makeEntityStatePdu();
+        
+                                
+                                EntityID bmpID = new EntityID();
+                                bmpID.setSiteID(1);
+                                bmpID.setApplicationID(13);
+                                bmpID.setEntityID(2);
+                                entityStatePdu2.setEntityID(bmpID);
+                                EntityType bmpType = new EntityType(); //1.1.222.2.2.1 Platform,Ground,Russia,ArmoredFightingVehicle,BMP2,BMP2
+                                bmpType.setEntityKind(EntityKind.PLATFORM);
+                                bmpType.setDomain(Domain.inst(PlatformDomain.LAND));
+                                bmpType.setCountry(Country.RUSSIA);
+                                bmpType.setCategory(2);
+                                bmpType.setSubCategory(41);
+                                bmpType.setSpecific(3);
+                                entityStatePdu2.setEntityType(bmpType);
+                                Vector3Double eloc1 = new Vector3Double();
+                                double[] loc1 = CoordinateConversions.getXYZfromLatLonDegrees(36.594116, -121.877463, 0); //NPS Main Gate
+                                eloc1.setX(loc1[0]);
+                                eloc1.setY(loc1[1]);
+                                eloc1.setZ(loc1[2]);
+                                
+                                entityStatePdu2.setEntityLocation(eloc1);
+                                EulerAngles orient1 = new EulerAngles();
+                                orient1.setPhi((float) 3.1415);
+                                orient1.setPsi((float) 0.0);
+                                orient1.setTheta((float) 0.0);                                
+                                entityStatePdu2.setEntityOrientation(orient1);
+                                   
+                                int BMPHitsReceived = 0;
+                                
+                                System.out.println(eloc2.toString());
+                                System.out.println(eloc1.toString());
+                                
+                                //FirePdu firePduNull = new FirePdu();
+                                 FirePdu               firePdu = pduFactory.makeFirePdu();
+        EntityID fireID = new EntityID();
+                                fireID.setSiteID(1);
+                                fireID.setApplicationID(13);
+                                fireID.setEntityID(25);
+                                EntityID targetID = new EntityID();
+                                targetID.setSiteID(1);
+                                targetID.setApplicationID(13);
+                                targetID.setEntityID(2);
+                                
+                                firePdu.setFiringEntityID(fireID);
+                                firePdu.setTargetEntityID(targetID);
+                                
+                                EntityType HEType = new EntityType(); //2.9.225.2.2.1
+                                HEType.setEntityKind(EntityKind.MUNITION);
+                                HEType.setDomain(Domain.inst(PlatformDomain.AIR));
+                                HEType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+                                HEType.setCategory(2);
+                                HEType.setSubCategory(2);
+                                HEType.setSpecific(1);
+                                MunitionDescriptor HEIT = new MunitionDescriptor();
+                                HEIT.setMunitionType(HEType);
+                                HEIT.setQuantity(3);
+                                HEIT.setFuse(MunitionDescriptorFuse.CONTACT_GRAZE);
+                                HEIT.setRate(200);
+                                
+                                firePdu.setDescriptor(HEIT);
+                                EntityID HEID = new EntityID();
+                                HEID.setEntityID(1);
+                                firePdu.setMunitionExpendibleID(HEID);
+        
+                                
+                                CommentReliablePdu bmpDestroyedComment = pduFactory.makeCommentReliablePdu("BMP2 DESTROYED BY LAV25-A2 AFTER TWO BURSTS OF 25mm HEI-T ON TARGET");
+                                CommentReliablePdu bmpSightedComment = pduFactory.makeCommentReliablePdu("LAV25-A2 ACQUIRES TARGET BMP2 WITHIN FIRING DISTANCE");
+        //if(eloc1.getX())
+       
+        // should we customize this munition?  what is it for your simulation?
+        
+        while (loopCount < MAX_LOOP_COUNT) // loop the simulation while allowed, can set additional conditions to break
+        {
+            String narrativeMessage1, narrativeMessage2, narrativeMessage3, narrativeMessage4;
+            narrativeMessage4 = "";
+            // initialize loop variables
+            loopCount++;
+            
+            // =============================================================================================
+            // your own simulation code starts here!
+            
+            // compute a track, update an ESPDU, whatever it is that your model is doing...
+            
+            // Where is my entity?
+            entityStatePdu.getEntityLocation().setX(entityStatePdu.getEntityLocation().getX()  - 20); // 1m per timestep
+            entityStatePdu.getEntityLocation().setY(entityStatePdu.getEntityLocation().getY() - 75);
+            // decide whether to fire, and then update the firePdu.  Hmmm, you might want a target to shoort at!
+            Double dx = eloc2.getX() - eloc1.getX();
+            Double dy = eloc2.getY() - eloc1.getY();
+            Double dz = eloc2.getZ() - eloc1.getZ();
+            Double range = Math.sqrt(dx*dx + dy*dy);
+            System.out.println("range" + range + "                dx:" +dx + "        dy:"+ dy);
+            // etc. etc. your code goes here
+                
+            if(range < 100){
+                if (!fireBool)
+                    sendPDU(bmpSightedComment);
+                fireBool = true;
+                System.out.println("Entity#" + firePdu.getFiringEntityID().getEntityID() + " is firing " + firePdu.getDescriptor().getMunitionType().getDomain() + "."+firePdu.getDescriptor().getMunitionType().getCountry()   + "." + firePdu.getDescriptor().getMunitionType().getCategory() + "."+ firePdu.getDescriptor().getMunitionType().getSubCategory() + "." + firePdu.getDescriptor().getMunitionType().getSpecific() + "."+ " at Entity#"+ firePdu.getTargetEntityID().getEntityID());
+            
+
+            if(firePdu.getTargetEntityID().getEntityID() == 2){
+                BMPHitsReceived += 1;
+                if (BMPHitsReceived > 1) {
+                    //DESTROY THE BMP!
+                    
+                    System.out.println("BMP Destroyed after "+ BMPHitsReceived + " hits from 25mm HEI-T");
+                    narrativeMessage4 = "Destroyed BMP2";
+                    destBool = true;
+                    
+                }
+            }
+            }
+            
+            // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending)
+            narrativeMessage1 = "MV3500 ExampleSimulationProgram";
+            narrativeMessage2 = "runSimulation() loop " + loopCount;
+            narrativeMessage3 = "LAV-25A2"; // intentionally blank for testing
+            if (narrativeMessage4.isEmpty()){
+            narrativeMessage4 = "BMP2";
+            }
+            // your loop termination condition goes here
+            if (loopCount > 4) // for example
+            {
+                simulationComplete = true;
+            }      
+            // your own simulation code is finished here!
+            // =============================================================================================
+            
+            // keep track of timestep: wait duration for elapsed time in this loop
+            // Thread.sleep needs a (long) parameter for milliseconds, which are clumsy to use sometimes
+            Thread.sleep((long)(LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds
+            System.out.println ("... Pausing for " + LOOP_DURATION_SECONDS + " seconds");
+            
+            // send the status PDUs for this loop and continue
+            System.out.println ("sending PDUs for simulation step " + loopCount + ", monitor loopback to confirm sent");
+            //sendAllPdus(entityStatePdu, firePduNull, null, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+            //sendAllPdus(entityStatePdu2, null, null, narrativeMessage1, narrativeMessage2, narrativeMessage4);
+            sendPDU(entityStatePdu);
+            sendPDU(entityStatePdu2);
+            if (fireBool)
+                sendPDU(firePdu);
+            if (destBool)
+                sendPDU(bmpDestroyedComment);
+            
+            System.out.println ("... PDUs successfully sent");
+            
+            // ===============================
+            // loop now finished, thus terminate if simulation complete, otherwise send latest PDUs and continue
+            if (simulationComplete || (loopCount > 10000)) // for example; including fail-safe condition is good
+            {
+                CommentReliablePdu completionPdu = pduFactory.makeCommentReliablePdu("White Simulation Completed");
+                sendPDU(completionPdu);
+                System.out.println ("... Termination condition met, simulationComplete=" + simulationComplete);
+                break;
+            }
+        }   // end of while loop
+      } 
+      catch (Exception ex) // handle any exception that your code might choose to provoke!
+      {
+        Logger.getLogger(WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+      }
+    }
+    
+        public void sendPDU(Pdu pdu) {
+        System.out.println("Sending a PDU");
+        MulticastSocket socket = null; // must be initialized, even if null
+        InetAddress destinationIp = null; // must be initialized, even if null
+
+        try {
+            destinationIp = InetAddress.getByName(networkAddress);
+        } catch (UnknownHostException e) {
+            System.out.println(e + " Cannot create address");
+            System.exit(0);
+        }
+        try {
+            // Set up a socket to send information
+            socket = new MulticastSocket(2317);
+        } catch (IOException ex) {
+            Logger.getLogger(WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+        }
+
+        Set<InetAddress> broadcastAddresses;
+        // Loop through sending one ESPDUs
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(baos);
+        try {
+            pdu.marshal(dos);
+            byte[] data = baos.toByteArray();
+
+            DatagramPacket packet = new DatagramPacket(data, data.length, destinationIp, 2317);
+            socket.send(packet);
+            socket.close();
+        } catch (Exception ex) {
+            Logger.getLogger(WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+        }
+}
+}
\ No newline at end of file
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/test/PDUReciever.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/test/PDUReciever.java
new file mode 100755
index 0000000000000000000000000000000000000000..7e586acc7965d1b4f1fa37a0982425a8c7a6d22a
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/test/PDUReciever.java
@@ -0,0 +1,144 @@
+package MV3500Cohort2020JulySeptember.homework4.White.test;
+
+import MV3500Cohort2020JulySeptember.homework4.White.working.*;
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+
+/**
+ * Receives PDUs from GermanyEspduReceiverEspduVPNSender in IEEE DIS format.
+ *
+ * @date 09/05/2020
+ * @author Bernd/Stefan
+ * @version 0.1
+ */
+public class PDUReciever {
+
+    /**
+     * Max size of a PDU in binary format that we can receive. This is actually
+     * somewhat outdated--PDUs can be larger--but this is a reasonable starting
+     * point.
+     */
+    public static final int MAX_PDU_SIZE = 8192;
+
+    /**
+     * Default port used, matches Wireshark DIS capture default
+     */
+    public static final int DEFAULT_PORT = 2317;
+    public static final int SECOND_PORT = 3000;
+    public static final int THIRD_PORT = 2318;
+    
+    
+    /**
+     * Output prefix to identify this class
+     */
+    private final static String TRACE_PREFIX = "[" + PDUReciever.class.getName() + "] ";
+
+    public static void main(String args[]) {
+        System.out.println(TRACE_PREFIX + "started...");
+
+        MulticastSocket socket1;
+        MulticastSocket socket2;
+        MulticastSocket socket3;
+        DatagramPacket packet;
+        DatagramPacket packet2;
+        DatagramPacket packet3;
+        PduFactory pduFactory = new PduFactory();
+        ArrayList<EntityID> knownEntities = new ArrayList<EntityID>();
+        int pduCount = 0;
+
+        try {
+            // Specify the socket to receive data
+            socket1 = new MulticastSocket(DEFAULT_PORT);
+            socket2 = new MulticastSocket(SECOND_PORT);
+            socket3 = new MulticastSocket(THIRD_PORT);
+            
+            System.out.println(TRACE_PREFIX + "listening for PDU packets on port " + DEFAULT_PORT );//+ " " + SECOND_PORT + " " + THIRD_PORT);
+            System.out.println("====================================================");
+
+            while (true) // Loop infinitely, receiving datagrams
+            {
+                byte buffer[] = new byte[MAX_PDU_SIZE];
+                packet = new DatagramPacket(buffer, buffer.length);
+
+                socket1.receive(packet);
+                
+                
+                
+                List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData(), packet.getLength());
+                if (pduBundle.size() > 1) { // should be 1 for this project
+                    System.out.println("Bundle size is " + pduBundle.size());
+                }
+
+                // end iterator loop through PDU bundle
+                for (Pdu aPdu : pduBundle) {
+                    pduCount++;
+                    String receiptMessage = String.format("%3s", pduCount) // right justify, 3 characters
+                            + ". received PDU type " + aPdu.getPduType().getValue() + "=" + aPdu.getPduType().name() + " " + aPdu.getClass().getName() + "  from " + packet.getAddress();
+                    if (aPdu instanceof EntityStatePdu) {
+                        System.out.println(receiptMessage);
+                        EntityID entityID = ((EntityStatePdu) aPdu).getEntityID();
+                        Vector3Double position = ((EntityStatePdu) aPdu).getEntityLocation();
+                        System.out.println("     entityID triplet: [" + entityID.getSiteID() + ", " + entityID.getApplicationID() + ", " + entityID.getEntityID() + "] ");
+                        if (!knownEntities.contains(entityID)){
+                            knownEntities.add(entityID);
+                            EntityType entityType = ((EntityStatePdu) aPdu).getEntityType();
+                            System.out.println("     New Entity: " +entityType.getEntityKind() + " "+ entityType.getDomain() + " "+ entityType.getCountry() + " "+  entityType.getCategory() + " "+ entityType.getSubCategory() + " "+  entityType.getSpecific() );
+                        }
+                        System.out.println("     Location in DIS coordinates:        [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
+
+                    }
+                    else if (aPdu instanceof FirePdu){
+                        System.out.println(receiptMessage);
+                        EntityID firingEntityID = ((FirePdu) aPdu).getFiringEntityID();
+                        EntityID targetEntityID = ((FirePdu) aPdu).getTargetEntityID();
+                        MunitionDescriptor munitionDescriptor = ((FirePdu) aPdu).getDescriptor();
+                        System.out.println("     firingEntityID triplet: [" + firingEntityID.getSiteID() + ", " + firingEntityID.getApplicationID() + ", " + firingEntityID.getEntityID() + "] ");
+                        System.out.println("     targetEntityID triplet: [" + targetEntityID.getSiteID() + ", " + targetEntityID.getApplicationID() + ", " + targetEntityID.getEntityID() + "] ");
+                        System.out.println("     Munition Information:   [" + munitionDescriptor.getMunitionType().getDomain() + "."+munitionDescriptor.getMunitionType().getCountry()   + "." + munitionDescriptor.getMunitionType().getCategory() + "."+ munitionDescriptor.getMunitionType().getSubCategory() + "." + munitionDescriptor.getMunitionType().getSpecific() + "]");
+                    }
+                    else if (aPdu instanceof CommentReliablePdu){
+                        System.out.println(receiptMessage);
+                       ArrayList<VariableDatum> payloadList = (ArrayList)((CommentReliablePdu) aPdu).getVariableDatumRecords();
+                        if (!payloadList.isEmpty())
+                            System.out.print  ("     messages: ");
+                        for (VariableDatum variableDatum : payloadList)
+                        {
+                            String nextComment = new String(variableDatum.getVariableDatumValue()); // convert byte[] to String
+                            System.out.print  (" \"" + nextComment + "\"");
+                            System.out.println();
+                        }//
+                    }
+                    else if (aPdu instanceof ResupplyOfferPdu){
+                            System.out.println(receiptMessage);
+                            EntityID receiverID = ((ResupplyOfferPdu) aPdu).getReceivingEntityID();
+                            EntityID supplierID = ((ResupplyOfferPdu) aPdu).getSupplyingEntityID();
+                            List<SupplyQuantity> supplyList = ((ResupplyOfferPdu) aPdu).getSupplies();
+                            System.out.println("     Resupply Offer from Entity [" + supplierID.getSiteID() + ", "+ supplierID.getApplicationID() + ", " + supplierID.getEntityID() + "] to resupply Entity ["+ receiverID.getSiteID() + ", "+ receiverID.getApplicationID() + ", " + receiverID.getEntityID() + "]" );
+                            for (int i = 0; i < supplyList.size(); i++){
+                            SupplyQuantity supplyQ = supplyList.get(i);
+                            EntityType entityType = supplyQ.getSupplyType();
+                            float supplyQuantity = supplyQ.getQuantity();
+                            System.out.println("     Supplies Offered:   [Quantity: " + supplyQuantity + ",   Type: " +entityType.getEntityKind() + " "+ entityType.getDomain() + " "+ entityType.getCountry() + " "+  entityType.getCategory() + " "+ entityType.getSubCategory() + " "+  entityType.getSpecific() + " ]");
+                            
+                            }
+                    }
+                    
+                     //OTHER PDU TYPES
+                    else {
+                        System.out.println(receiptMessage);
+                    }
+                } // end of bundle loop
+                
+            } // end of while loop
+        } // end try block // end try block // end try block // end try block
+        catch (IOException ioe) {
+            System.out.println(TRACE_PREFIX + "Problem with input/output, see exception trace:");
+            System.out.println(ioe);
+        }
+        System.out.println(TRACE_PREFIX + "complete.");
+    } // end main
+} // end class
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/test/WhiteSimulation.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/test/WhiteSimulation.java
new file mode 100644
index 0000000000000000000000000000000000000000..56ac5e1371a9142ea905d470b683d91b2b6662a0
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/test/WhiteSimulation.java
@@ -0,0 +1,479 @@
+/**
+ * Copyright (c) 2008-2020, MOVES Institute, Naval Postgraduate School (NPS). All rights reserved.
+ * This work is provided under a BSD open-source license, see project license.html and license.txt
+ */
+package MV3500Cohort2020JulySeptember.homework4.White.test;
+
+import MV3500Cohort2020JulySeptember.homework4.White.working.*;
+import MV3500Cohort2020JulySeptember.homework4.White.*;
+import edu.nps.moves.dis7.enumerations.*;
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class WhiteSimulation
+{
+    // class variables
+    PduFactory pduFactory = new PduFactory();
+    DisThreadedNetworkInterface disNetworkInterface;
+    DisThreadedNetworkInterface.PduListener pduListener;
+    Pdu receivedPdu;
+    
+    private String networkAddress = "10.1.105.7";
+    private int    networkPort    = 2317;
+    
+    /**
+     * Constructor design goal: additional built-in initialization conveniences can go here
+     * to keep student efforts focused on the runSimulation() method.
+     */
+    public WhiteSimulation()
+    {
+        // Under consideration.  Constructor is not currently needed.
+    }
+    
+    /**
+     * Utility Constructor
+     * @param address network address to use
+     * @param port corresponding network port to use
+     */
+    public WhiteSimulation(String address, int port)
+    {
+        setNetworkAddress(address);
+        
+        setNetworkPort(port);
+    }
+
+    /**
+     * @return the networkAddress
+     */
+    public String getNetworkAddress()
+    {
+        return networkAddress;
+    }
+
+    /**
+     * @param networkAddress the networkAddress to set
+     */
+    public final void setNetworkAddress(String networkAddress)
+    {
+        this.networkAddress = networkAddress;
+    }
+
+    /**
+     * @return the networkPort
+     */
+    public int getNetworkPort()
+    {
+        return networkPort;
+    }
+
+    /**
+     * @param networkPort the networkPort to set
+     */
+    public final void setNetworkPort(int networkPort)
+    {
+        this.networkPort = networkPort;
+    }
+
+    /**
+     * Initialize network interface, choosing best available network interface
+     */
+    public void setUpNetworkInterface()
+    {
+        disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort());
+        
+        System.out.println("Network confirmation: address=" + disNetworkInterface.getMcastGroup() + " port=" + disNetworkInterface.getDisPort());
+        pduListener = new DisThreadedNetworkInterface.PduListener()
+        {
+            /** Callback handler for listener */
+            @Override
+            public void incomingPdu(Pdu newPdu)
+            {
+                receivedPdu = newPdu;
+            }
+        };
+        disNetworkInterface.addListener(pduListener);
+    }
+
+    /** All done, release network resources */
+    public void tearDownNetworkInterface()
+    {
+        disNetworkInterface.removeListener(pduListener);
+        disNetworkInterface.kill();
+        disNetworkInterface = null;
+    }
+
+    /** 
+     * Send a single Protocol Data Unit (PDU) of any type
+     * @param pdu the pdu to send
+     */
+    private void sendSinglePdu(Pdu pdu)
+    {
+        try
+        {
+            disNetworkInterface.send(pdu);
+            Thread.sleep(100); // TODO consider refactoring the wait logic and moving externally
+        } 
+        catch (InterruptedException ex)
+        {
+            System.err.println(this.getClass().getName() + " Error sending PDU: " + ex.getLocalizedMessage());
+            System.exit(1);
+        }
+    }
+
+    /**
+     * Send EntityState, Fire, Comment PDUs
+     * @see <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing Information to a Method or a Constructor</a> Arbitrary Number of Arguments
+     * @param entityStatePdu the ESPDU to send, if any
+     * @param firePdu        the FirePDU to send, if any
+     * @param commentType    enumeration value describing the narrative comment
+     * @param comments       String array of narrative comments
+     */
+    public void sendAllPdus(EntityStatePdu entityStatePdu,
+                               FirePdu firePdu,
+                               VariableRecordType commentType,
+                               // vararg... variable length string
+                               String... comments)
+    {
+        if (entityStatePdu != null)
+            sendPDU(entityStatePdu);
+            
+        if (firePdu != null)
+            sendPDU(firePdu); // bang
+        
+        if ((comments != null) && (comments.length > 0))
+        {
+            ArrayList<String> newCommentsList = new ArrayList<>();
+            for (int i = 0; i < comments.length; i++)
+            {
+                if (!comments[i].isEmpty())
+                     newCommentsList.add(comments[i]); // OK found something to send
+            }
+            if (!newCommentsList.isEmpty())
+            {
+                if (commentType == null)
+                    commentType = VariableRecordType.OTHER;
+                CommentPdu commentPdu = pduFactory.makeCommentPdu(commentType, newCommentsList.toArray(new String[0])); // comments);
+                sendPDU(commentPdu);
+            }
+        }
+    }
+  
+    /**
+     * Main method is first executed when a program instance is loaded.
+     * @see <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java Tutorials: A Closer Look at the "Hello World!" Application</a>
+     * @param args command-line arguments are an array of optional String parameters that are passed from execution environment during invocation
+     */
+    public static void main(String[] args)
+    {
+        WhiteSimulation thisProgram = new WhiteSimulation(); // creates instance
+        
+        // initial execution: can handle args array of initialization arguments here
+        if (args.length == 2)
+        {
+            if ((args[0] != null) && !args[0].isEmpty())
+                thisProgram.setNetworkAddress(args[0]);
+            
+            if ((args[1] != null) && !args[1].isEmpty())
+                thisProgram.setNetworkPort(Integer.parseInt(args[1]));
+        }
+        else if (args.length != 0)
+        {
+            System.err.println("Usage: " + thisProgram.getClass().getName() + " [address port]");
+            System.exit(-1);
+        }
+        // OK here we go...
+
+        //thisProgram.setUpNetworkInterface();
+
+        thisProgram.runSimulation (); // customization code goes in there
+
+        //thisProgram.tearDownNetworkInterface();
+    }
+    
+    /**
+     * Programmer-modifiable method for defining and running a new simulation of interest.
+     * Support include DIS EntityStatePdu, FirePdu and CommentPdu all available for 
+     * modification and sending in a simulation loop.
+     */
+    @SuppressWarnings("SleepWhileInLoop")
+    public void runSimulation ()
+    {
+      try
+      {
+        final double LOOP_DURATION_SECONDS  =  1.0; // seconds
+        final int    MAX_LOOP_COUNT = 10;
+              int    loopCount = 0;
+        VariableRecordType narrativeType = VariableRecordType.OTHER; // of potential use
+        boolean simulationComplete = false; // sentinel variable as termination condition
+        boolean fireBool = false;
+        boolean destBool = false;
+        // TODO reset clock to zero each time for consistent outputs.
+        
+        // your model setup: who's who in this zoo?
+        // create PDU objects and set their values
+        
+         Vector3Double eloc3 = new Vector3Double();
+         double[] loc3 = CoordinateConversions.getXYZfromLatLonDegrees(36.600757, -121.869309, 0 );//NPS Corner by lake
+        
+        EntityID       entityID_1    = new EntityID();
+        entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID 
+        
+
+        
+        EntityStatePdu entityStatePdu = pduFactory.makeEntityStatePdu();
+        entityStatePdu.setEntityID(entityID_1);
+        
+        
+        
+                                EntityID lavID = new EntityID();
+                                lavID.setSiteID(1);
+                                lavID.setApplicationID(13);
+                                lavID.setEntityID(25);
+                                entityStatePdu.setEntityID(lavID);
+                                EntityType lavType = new EntityType(); //1.1.225.2.41.3 Platform,Ground,USA,ArmoredFightingVehicle,LAV,LAV25A2
+                                lavType.setEntityKind(EntityKind.PLATFORM);
+                                lavType.setDomain(Domain.inst(PlatformDomain.LAND));
+                                lavType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+                                lavType.setCategory(2);
+                                lavType.setSubCategory(41);
+                                lavType.setSpecific(3);
+                                entityStatePdu.setEntityType(lavType);
+                                
+                                Vector3Double eloc2 = new Vector3Double();
+                                double[] loc2 = CoordinateConversions.getXYZfromLatLonDegrees(36.599831, -121.878842, 0); //sloat delmonte intersection
+                                eloc2.setX(loc2[0]);
+                                eloc2.setY(loc2[1]);
+                                eloc2.setZ(loc2[2]);
+                                entityStatePdu.setEntityLocation(eloc2);
+                                EulerAngles orient2 = new EulerAngles();
+                                orient2.setPhi((float) 0.0);
+                                orient2.setPsi((float) 0.0);
+                                orient2.setTheta((float) 0.0);                                
+                                entityStatePdu.setEntityOrientation(orient2);
+        
+                                EntityStatePdu entityStatePdu2 = pduFactory.makeEntityStatePdu();
+        
+                                
+                                EntityID bmpID = new EntityID();
+                                bmpID.setSiteID(1);
+                                bmpID.setApplicationID(13);
+                                bmpID.setEntityID(2);
+                                entityStatePdu2.setEntityID(bmpID);
+                                EntityType bmpType = new EntityType(); //1.1.222.2.2.1 Platform,Ground,Russia,ArmoredFightingVehicle,BMP2,BMP2
+                                bmpType.setEntityKind(EntityKind.PLATFORM);
+                                bmpType.setDomain(Domain.inst(PlatformDomain.LAND));
+                                bmpType.setCountry(Country.RUSSIA);
+                                bmpType.setCategory(2);
+                                bmpType.setSubCategory(41);
+                                bmpType.setSpecific(3);
+                                entityStatePdu2.setEntityType(bmpType);
+                                Vector3Double eloc1 = new Vector3Double();
+                                double[] loc1 = CoordinateConversions.getXYZfromLatLonDegrees(36.594116, -121.877463, 0); //NPS Main Gate
+                                eloc1.setX(loc1[0]);
+                                eloc1.setY(loc1[1]);
+                                eloc1.setZ(loc1[2]);
+                                
+                                entityStatePdu2.setEntityLocation(eloc1);
+                                EulerAngles orient1 = new EulerAngles();
+                                orient1.setPhi((float) 3.1415);
+                                orient1.setPsi((float) 0.0);
+                                orient1.setTheta((float) 0.0);                                
+                                entityStatePdu2.setEntityOrientation(orient1);
+                                   
+                                int BMPHitsReceived = 0;
+                                
+                                System.out.println(eloc2.toString());
+                                System.out.println(eloc1.toString());
+                                
+                                //FirePdu firePduNull = new FirePdu();
+                                 FirePdu               firePdu = pduFactory.makeFirePdu();
+        EntityID fireID = new EntityID();
+                                fireID.setSiteID(1);
+                                fireID.setApplicationID(13);
+                                fireID.setEntityID(25);
+                                EntityID targetID = new EntityID();
+                                targetID.setSiteID(1);
+                                targetID.setApplicationID(13);
+                                targetID.setEntityID(2);
+                                
+                                firePdu.setFiringEntityID(fireID);
+                                firePdu.setTargetEntityID(targetID);
+                                
+                                EntityType HEType = new EntityType(); //2.9.225.2.2.1
+                                HEType.setEntityKind(EntityKind.MUNITION);
+                                HEType.setDomain(Domain.inst(PlatformDomain.AIR));
+                                HEType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+                                HEType.setCategory(2);
+                                HEType.setSubCategory(2);
+                                HEType.setSpecific(1);
+                                MunitionDescriptor HEIT = new MunitionDescriptor();
+                                HEIT.setMunitionType(HEType);
+                                HEIT.setQuantity(3);
+                                HEIT.setFuse(MunitionDescriptorFuse.CONTACT_GRAZE);
+                                HEIT.setRate(200);
+                                
+                                firePdu.setDescriptor(HEIT);
+                                EntityID HEID = new EntityID();
+                                HEID.setEntityID(1);
+                                firePdu.setMunitionExpendibleID(HEID);
+                                
+                            //
+        
+                                
+                                CommentReliablePdu bmpDestroyedComment = pduFactory.makeCommentReliablePdu("BMP2 DESTROYED BY LAV25-A2 AFTER TWO BURSTS OF 25mm HEI-T ON TARGET");
+                                CommentReliablePdu bmpSightedComment = pduFactory.makeCommentReliablePdu("LAV25-A2 ACQUIRES TARGET BMP2 WITHIN FIRING DISTANCE");
+        //if(eloc1.getX())
+        
+        
+                ResupplyOfferPdu resupplyOfferPdu = pduFactory.makeResupplyOfferPdu();
+        ArrayList<SupplyQuantity> pSupplies = new ArrayList<SupplyQuantity>();
+        SupplyQuantity ammoSupplyQ = new SupplyQuantity();
+        ammoSupplyQ.setSupplyType(HEType);
+        ammoSupplyQ.setQuantity(500);
+
+        //EntityType ammoSupply = new EntityType();
+       // ammoSupply.setEntityKind(EntityKind.MUNITION);
+        //ammoSupply.setDomain(Entity)
+        //ammoSupplyQ.setSupplyType(EntityType.)
+        pSupplies.add(ammoSupplyQ);
+            resupplyOfferPdu.setSupplies(pSupplies);
+            resupplyOfferPdu.setReceivingEntityID(lavID);
+            resupplyOfferPdu.setSupplyingEntityID(bmpID);
+            
+        // should we customize this munition?  what is it for your simulation?
+        
+        while (loopCount < MAX_LOOP_COUNT) // loop the simulation while allowed, can set additional conditions to break
+        {
+            String narrativeMessage1, narrativeMessage2, narrativeMessage3, narrativeMessage4;
+            narrativeMessage4 = "";
+            // initialize loop variables
+            loopCount++;
+            
+            // =============================================================================================
+            // your own simulation code starts here!
+            
+            // compute a track, update an ESPDU, whatever it is that your model is doing...
+            
+            // Where is my entity?
+            entityStatePdu.getEntityLocation().setX(entityStatePdu.getEntityLocation().getX()  - 20); // 1m per timestep
+            entityStatePdu.getEntityLocation().setY(entityStatePdu.getEntityLocation().getY() - 75);
+            // decide whether to fire, and then update the firePdu.  Hmmm, you might want a target to shoort at!
+            Double dx = eloc2.getX() - eloc1.getX();
+            Double dy = eloc2.getY() - eloc1.getY();
+            Double dz = eloc2.getZ() - eloc1.getZ();
+            Double range = Math.sqrt(dx*dx + dy*dy);
+            System.out.println("range" + range + "                dx:" +dx + "        dy:"+ dy);
+            // etc. etc. your code goes here
+                
+            if(range < 100){
+                if (!fireBool)
+                    sendPDU(bmpSightedComment);
+                fireBool = true;
+                System.out.println("Entity#" + firePdu.getFiringEntityID().getEntityID() + " is firing " + firePdu.getDescriptor().getMunitionType().getDomain() + "."+firePdu.getDescriptor().getMunitionType().getCountry()   + "." + firePdu.getDescriptor().getMunitionType().getCategory() + "."+ firePdu.getDescriptor().getMunitionType().getSubCategory() + "." + firePdu.getDescriptor().getMunitionType().getSpecific() + "."+ " at Entity#"+ firePdu.getTargetEntityID().getEntityID());
+            
+
+            if(firePdu.getTargetEntityID().getEntityID() == 2){
+                BMPHitsReceived += 1;
+                if (BMPHitsReceived > 1) {
+                    //DESTROY THE BMP!
+                    
+                    System.out.println("BMP Destroyed after "+ BMPHitsReceived + " hits from 25mm HEI-T");
+                    narrativeMessage4 = "Destroyed BMP2";
+                    destBool = true;
+                    
+                }
+            }
+            }
+            
+            
+            // your loop termination condition goes here
+            if (loopCount > 4) // for example
+            {
+                simulationComplete = true;
+            }      
+            // your own simulation code is finished here!
+            // =============================================================================================
+            
+            // keep track of timestep: wait duration for elapsed time in this loop
+            // Thread.sleep needs a (long) parameter for milliseconds, which are clumsy to use sometimes
+            Thread.sleep((long)(LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds
+            System.out.println ("... Pausing for " + LOOP_DURATION_SECONDS + " seconds");
+            
+            // send the status PDUs for this loop and continue
+            System.out.println ("sending PDUs for simulation step " + loopCount + ", monitor loopback to confirm sent");
+            //sendAllPdus(entityStatePdu, firePduNull, null, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+            //sendAllPdus(entityStatePdu2, null, null, narrativeMessage1, narrativeMessage2, narrativeMessage4);
+            sendPDU(entityStatePdu);
+            sendPDU(entityStatePdu2);
+            if (fireBool)
+                sendPDU(firePdu);
+            if (destBool){
+                sendPDU(bmpDestroyedComment);
+                sendPDU(resupplyOfferPdu);
+            }
+            
+            System.out.println ("... PDUs successfully sent");
+            
+            // ===============================
+            // loop now finished, thus terminate if simulation complete, otherwise send latest PDUs and continue
+            if (simulationComplete || (loopCount > 10000)) // for example; including fail-safe condition is good
+            {
+                CommentReliablePdu completionPdu = pduFactory.makeCommentReliablePdu("White Simulation Completed");
+                sendPDU(completionPdu);
+                System.out.println ("... Termination condition met, simulationComplete=" + simulationComplete);
+                break;
+            }
+        }   // end of while loop
+      } 
+      catch (Exception ex) // handle any exception that your code might choose to provoke!
+      {
+        Logger.getLogger(WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+      }
+    }
+    
+        public void sendPDU(Pdu pdu) {
+        System.out.println("Sending a PDU");
+        MulticastSocket socket = null; // must be initialized, even if null
+        InetAddress destinationIp = null; // must be initialized, even if null
+
+        try {
+            destinationIp = InetAddress.getByName(networkAddress);
+        } catch (UnknownHostException e) {
+            System.out.println(e + " Cannot create address");
+            System.exit(0);
+        }
+        try {
+            // Set up a socket to send information
+            socket = new MulticastSocket(2317);
+        } catch (IOException ex) {
+            Logger.getLogger(WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+        }
+
+        Set<InetAddress> broadcastAddresses;
+        // Loop through sending one ESPDUs
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(baos);
+        try {
+            pdu.marshal(dos);
+            byte[] data = baos.toByteArray();
+
+            DatagramPacket packet = new DatagramPacket(data, data.length, destinationIp, 2317);
+            socket.send(packet);
+            socket.close();
+        } catch (Exception ex) {
+            Logger.getLogger(WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+        }
+}
+}
\ No newline at end of file
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/working/PDUReciever.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/working/PDUReciever.java
new file mode 100755
index 0000000000000000000000000000000000000000..d33465055cf548e178cb93b1540cdfe08e8fb261
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/working/PDUReciever.java
@@ -0,0 +1,143 @@
+package MV3500Cohort2020JulySeptember.homework4.White.working;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+
+/**
+ * Receives PDUs from GermanyEspduReceiverEspduVPNSender in IEEE DIS format.
+ *
+ * @date 09/05/2020
+ * @author Bernd/Stefan
+ * @version 0.1
+ */
+public class PDUReciever {
+
+    /**
+     * Max size of a PDU in binary format that we can receive. This is actually
+     * somewhat outdated--PDUs can be larger--but this is a reasonable starting
+     * point.
+     */
+    public static final int MAX_PDU_SIZE = 8192;
+
+    /**
+     * Default port used, matches Wireshark DIS capture default
+     */
+    public static final int DEFAULT_PORT = 2317;
+    public static final int SECOND_PORT = 3000;
+    public static final int THIRD_PORT = 2318;
+    
+    
+    /**
+     * Output prefix to identify this class
+     */
+    private final static String TRACE_PREFIX = "[" + PDUReciever.class.getName() + "] ";
+
+    public static void main(String args[]) {
+        System.out.println(TRACE_PREFIX + "started...");
+
+        MulticastSocket socket1;
+        MulticastSocket socket2;
+        MulticastSocket socket3;
+        DatagramPacket packet;
+        DatagramPacket packet2;
+        DatagramPacket packet3;
+        PduFactory pduFactory = new PduFactory();
+        ArrayList<EntityID> knownEntities = new ArrayList<EntityID>();
+        int pduCount = 0;
+
+        try {
+            // Specify the socket to receive data
+            socket1 = new MulticastSocket(DEFAULT_PORT);
+            socket2 = new MulticastSocket(SECOND_PORT);
+            socket3 = new MulticastSocket(THIRD_PORT);
+            
+            System.out.println(TRACE_PREFIX + "listening for PDU packets on port " + DEFAULT_PORT );//+ " " + SECOND_PORT + " " + THIRD_PORT);
+            System.out.println("====================================================");
+
+            while (true) // Loop infinitely, receiving datagrams
+            {
+                byte buffer[] = new byte[MAX_PDU_SIZE];
+                packet = new DatagramPacket(buffer, buffer.length);
+
+                socket1.receive(packet);
+                           
+                
+                
+                List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData(), packet.getLength());
+                if (pduBundle.size() > 1) { // should be 1 for this project
+                    System.out.println("Bundle size is " + pduBundle.size());
+                }
+
+                // end iterator loop through PDU bundle
+                for (Pdu aPdu : pduBundle) {
+                    pduCount++;
+                    String receiptMessage = String.format("%3s", pduCount) // right justify, 3 characters
+                            + ". received PDU type " + aPdu.getPduType().getValue() + "=" + aPdu.getPduType().name() + " " + aPdu.getClass().getName() + "  from " + packet.getAddress();
+                    if (aPdu instanceof EntityStatePdu) {
+                        System.out.println(receiptMessage);
+                        EntityID entityID = ((EntityStatePdu) aPdu).getEntityID();
+                        Vector3Double position = ((EntityStatePdu) aPdu).getEntityLocation();
+                        System.out.println("     entityID triplet: [" + entityID.getSiteID() + ", " + entityID.getApplicationID() + ", " + entityID.getEntityID() + "] ");
+                        if (!knownEntities.contains(entityID)){
+                            knownEntities.add(entityID);
+                            EntityType entityType = ((EntityStatePdu) aPdu).getEntityType();
+                            System.out.println("     New Entity: " +entityType.getEntityKind() + " "+ entityType.getDomain() + " "+ entityType.getCountry() + " "+  entityType.getCategory() + " "+ entityType.getSubCategory() + " "+  entityType.getSpecific() );
+                        }
+                        System.out.println("     Location in DIS coordinates:        [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
+
+                    }
+                    else if (aPdu instanceof FirePdu){
+                        System.out.println(receiptMessage);
+                        EntityID firingEntityID = ((FirePdu) aPdu).getFiringEntityID();
+                        EntityID targetEntityID = ((FirePdu) aPdu).getTargetEntityID();
+                        MunitionDescriptor munitionDescriptor = ((FirePdu) aPdu).getDescriptor();
+                        System.out.println("     firingEntityID triplet: [" + firingEntityID.getSiteID() + ", " + firingEntityID.getApplicationID() + ", " + firingEntityID.getEntityID() + "] ");
+                        System.out.println("     targetEntityID triplet: [" + targetEntityID.getSiteID() + ", " + targetEntityID.getApplicationID() + ", " + targetEntityID.getEntityID() + "] ");
+                        System.out.println("     Munition Information:   [" + munitionDescriptor.getMunitionType().getDomain() + "."+munitionDescriptor.getMunitionType().getCountry()   + "." + munitionDescriptor.getMunitionType().getCategory() + "."+ munitionDescriptor.getMunitionType().getSubCategory() + "." + munitionDescriptor.getMunitionType().getSpecific() + "]");
+                    }
+                    else if (aPdu instanceof CommentReliablePdu){
+                        System.out.println(receiptMessage);
+                       ArrayList<VariableDatum> payloadList = (ArrayList)((CommentReliablePdu) aPdu).getVariableDatumRecords();
+                        if (!payloadList.isEmpty())
+                            System.out.print  ("     messages: ");
+                        for (VariableDatum variableDatum : payloadList)
+                        {
+                            String nextComment = new String(variableDatum.getVariableDatumValue()); // convert byte[] to String
+                            System.out.print  (" \"" + nextComment + "\"");
+                            System.out.println();
+                        }//
+                    }
+                    else if (aPdu instanceof ResupplyOfferPdu){
+                            System.out.println(receiptMessage);
+                            EntityID receiverID = ((ResupplyOfferPdu) aPdu).getReceivingEntityID();
+                            EntityID supplierID = ((ResupplyOfferPdu) aPdu).getSupplyingEntityID();
+                            List<SupplyQuantity> supplyList = ((ResupplyOfferPdu) aPdu).getSupplies();
+                            System.out.println("     Resupply Offer from Entity [" + supplierID.getSiteID() + ", "+ supplierID.getApplicationID() + ", " + supplierID.getEntityID() + "] to resupply Entity ["+ receiverID.getSiteID() + ", "+ receiverID.getApplicationID() + ", " + receiverID.getEntityID() + "]" );
+                            for (int i = 0; i < supplyList.size(); i++){
+                            SupplyQuantity supplyQ = supplyList.get(i);
+                            EntityType entityType = supplyQ.getSupplyType();
+                            float supplyQuantity = supplyQ.getQuantity();
+                            System.out.println("     Supplies Offered:   [Quantity: " + supplyQuantity + ",   Type: " +entityType.getEntityKind() + " "+ entityType.getDomain() + " "+ entityType.getCountry() + " "+  entityType.getCategory() + " "+ entityType.getSubCategory() + " "+  entityType.getSpecific() + " ]");
+                            
+                            }
+                    }
+                    
+                     //OTHER PDU TYPES
+                    else {
+                        System.out.println(receiptMessage);
+                    }
+                } // end of bundle loop
+                
+            } // end of while loop
+        } // end try block // end try block // end try block // end try block
+        catch (IOException ioe) {
+            System.out.println(TRACE_PREFIX + "Problem with input/output, see exception trace:");
+            System.out.println(ioe);
+        }
+        System.out.println(TRACE_PREFIX + "complete.");
+    } // end main
+} // end class
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/working/Receiver Output Log.md b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/working/Receiver Output Log.md
new file mode 100644
index 0000000000000000000000000000000000000000..e5cdc8b7a150c0754dd02229930316eb88062760
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/working/Receiver Output Log.md	
@@ -0,0 +1,152 @@
+[MV3500Cohort2020JulySeptember.homework4.White.working.PDUReciever] started...
+[MV3500Cohort2020JulySeptember.homework4.White.working.PDUReciever] listening for PDU packets on port 2317
+====================================================
+  1. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.11
+     entityID triplet: [1, 13, 26] 
+     New Entity: EntityKind 1 PLATFORM Land Country 225 UNITED_STATES_OF_AMERICA_USA 7 39 3
+     Location in DIS coordinates:        [-2707501.7340396782, -4353408.810297934, 3781834.0645668795]
+  2. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.11
+     entityID triplet: [1, 13, 26] 
+     Location in DIS coordinates:        [-2707521.7340396782, -4353483.810297934, 3781834.0645668795]
+  3. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.11
+     entityID triplet: [1, 13, 25] 
+     New Entity: EntityKind 1 PLATFORM Land Country 225 UNITED_STATES_OF_AMERICA_USA 2 41 3
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+  4. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.11
+     entityID triplet: [1, 13, 26] 
+     Location in DIS coordinates:        [-2707541.7340396782, -4353558.810297934, 3781834.0645668795]
+  5. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.11
+     entityID triplet: [1, 13, 25] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+  6. received PDU type 62=COMMENT_RELIABLE edu.nps.moves.dis7.pdus.CommentReliablePdu  from /10.1.105.11
+     messages:  "LAV25-A2 IS WITHIN DISTANCE OF RESUPPLY"
+  7. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.11
+     entityID triplet: [1, 13, 26] 
+     Location in DIS coordinates:        [-2707561.7340396782, -4353633.810297934, 3781834.0645668795]
+  8. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.11
+     entityID triplet: [1, 13, 25] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+  9. received PDU type 6=RESUPPLY_OFFER edu.nps.moves.dis7.pdus.ResupplyOfferPdu  from /10.1.105.11
+     Resupply Offer from Entity [1, 13, 26] to resupply Entity [1, 13, 25]
+     Supplies Offered:   [Quantity: 500.0,   Type: EntityKind 2 MUNITION Air Country 225 UNITED_STATES_OF_AMERICA_USA 2 2 1 ]
+ 10. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.11
+     entityID triplet: [1, 13, 26] 
+     Location in DIS coordinates:        [-2707581.7340396782, -4353708.810297934, 3781834.0645668795]
+ 11. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.11
+     entityID triplet: [1, 13, 25] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 12. received PDU type 6=RESUPPLY_OFFER edu.nps.moves.dis7.pdus.ResupplyOfferPdu  from /10.1.105.11
+     Resupply Offer from Entity [1, 13, 26] to resupply Entity [1, 13, 25]
+     Supplies Offered:   [Quantity: 500.0,   Type: EntityKind 2 MUNITION Air Country 225 UNITED_STATES_OF_AMERICA_USA 2 2 1 ]
+ 13. received PDU type 62=COMMENT_RELIABLE edu.nps.moves.dis7.pdus.CommentReliablePdu  from /10.1.105.11
+     messages:  "Britt Simulation Completed"
+ 14. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.8
+     entityID triplet: [2, 10, 3] 
+     New Entity: EntityKind 1 PLATFORM Land Country 225 UNITED_STATES_OF_AMERICA_USA 4 3 7
+     Location in DIS coordinates:        [-2709702.5301454174, -4349384.2159421, 3784766.9772485564]
+ 15. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.8
+     entityID triplet: [1, 13, 2] 
+     New Entity: EntityKind 1 PLATFORM Land Country 260 RUSSIA 2 41 3
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 16. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /10.1.105.8
+     firingEntityID triplet: [2, 10, 3] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.14.1]
+ 17. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.8
+     entityID triplet: [2, 10, 3] 
+     Location in DIS coordinates:        [-2709702.5301454174, -4349384.2159421, 3784766.9772485564]
+ 18. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.8
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 19. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /10.1.105.8
+     firingEntityID triplet: [2, 10, 3] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.14.1]
+ 20. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.8
+     entityID triplet: [2, 10, 3] 
+     Location in DIS coordinates:        [-2709702.5301454174, -4349384.2159421, 3784766.9772485564]
+ 21. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.8
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 22. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /10.1.105.8
+     firingEntityID triplet: [2, 10, 3] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.14.1]
+ 23. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.8
+     entityID triplet: [2, 10, 3] 
+     Location in DIS coordinates:        [-2709702.5301454174, -4349384.2159421, 3784766.9772485564]
+ 24. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.8
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 25. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /10.1.105.8
+     firingEntityID triplet: [2, 10, 3] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.14.1]
+ 26. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.8
+     entityID triplet: [2, 10, 3] 
+     Location in DIS coordinates:        [-2709702.5301454174, -4349384.2159421, 3784766.9772485564]
+ 27. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.8
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 28. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /10.1.105.8
+     firingEntityID triplet: [2, 10, 3] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.14.1]
+ 29. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.8
+     entityID triplet: [2, 10, 3] 
+     Location in DIS coordinates:        [-2709702.5301454174, -4349384.2159421, 3784766.9772485564]
+ 30. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.8
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 31. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /10.1.105.8
+     firingEntityID triplet: [2, 10, 3] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.14.1]
+ 32. received PDU type 62=COMMENT_RELIABLE edu.nps.moves.dis7.pdus.CommentReliablePdu  from /10.1.105.8
+     messages:  "BMP2 DESTROYED BY M109A6 AFTER SIX VOLLEYS OF HE/PD ON TARGET"
+ 33. received PDU type 62=COMMENT_RELIABLE edu.nps.moves.dis7.pdus.CommentReliablePdu  from /10.1.105.8
+     messages:  "Cannon Simulation Completed"
+ 34. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 25] 
+     Location in DIS coordinates:        [-2707501.7340396782, -4353408.810297934, 3781834.0645668795]
+ 35. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 25] 
+     Location in DIS coordinates:        [-2707521.7340396782, -4353483.810297934, 3781834.0645668795]
+ 36. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 37. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 25] 
+     Location in DIS coordinates:        [-2707541.7340396782, -4353558.810297934, 3781834.0645668795]
+ 38. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 39. received PDU type 62=COMMENT_RELIABLE edu.nps.moves.dis7.pdus.CommentReliablePdu  from /10.1.105.7
+     messages:  "LAV25-A2 ACQUIRES TARGET BMP2 WITHIN FIRING DISTANCE"
+ 40. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 25] 
+     Location in DIS coordinates:        [-2707561.7340396782, -4353633.810297934, 3781834.0645668795]
+ 41. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 42. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /10.1.105.7
+     firingEntityID triplet: [1, 13, 25] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.2.1]
+ 43. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 25] 
+     Location in DIS coordinates:        [-2707581.7340396782, -4353708.810297934, 3781834.0645668795]
+ 44. received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.pdus.EntityStatePdu  from /10.1.105.7
+     entityID triplet: [1, 13, 2] 
+     Location in DIS coordinates:        [-2707576.630668249, -4353720.04383471, 3781324.902449432]
+ 45. received PDU type 2=FIRE edu.nps.moves.dis7.pdus.FirePdu  from /10.1.105.7
+     firingEntityID triplet: [1, 13, 25] 
+     targetEntityID triplet: [1, 13, 2] 
+     Munition Information:   [Air.Country 225 UNITED_STATES_OF_AMERICA_USA.2.2.1]
+ 46. received PDU type 62=COMMENT_RELIABLE edu.nps.moves.dis7.pdus.CommentReliablePdu  from /10.1.105.7
+     messages:  "BMP2 DESTROYED BY LAV25-A2 AFTER TWO BURSTS OF 25mm HEI-T ON TARGET"
+ 47. received PDU type 6=RESUPPLY_OFFER edu.nps.moves.dis7.pdus.ResupplyOfferPdu  from /10.1.105.7
+     Resupply Offer from Entity [1, 13, 2] to resupply Entity [1, 13, 25]
+     Supplies Offered:   [Quantity: 500.0,   Type: EntityKind 2 MUNITION Air Country 225 UNITED_STATES_OF_AMERICA_USA 2 2 1 ]
+ 48. received PDU type 62=COMMENT_RELIABLE edu.nps.moves.dis7.pdus.CommentReliablePdu  from /10.1.105.7
+     messages:  "White Simulation Completed"
\ No newline at end of file
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/working/WhiteSimulation.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/working/WhiteSimulation.java
new file mode 100644
index 0000000000000000000000000000000000000000..b6c6768cdadb83aec9e3013d219e615d26b15590
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/White/working/WhiteSimulation.java
@@ -0,0 +1,463 @@
+/**
+ * Copyright (c) 2008-2020, MOVES Institute, Naval Postgraduate School (NPS). All rights reserved.
+ * This work is provided under a BSD open-source license, see project license.html and license.txt
+ */
+package MV3500Cohort2020JulySeptember.homework4.White.working;
+
+import MV3500Cohort2020JulySeptember.homework4.White.*;
+import edu.nps.moves.dis7.enumerations.*;
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class WhiteSimulation
+{
+    // class variables
+    PduFactory pduFactory = new PduFactory();
+    DisThreadedNetworkInterface disNetworkInterface;
+    DisThreadedNetworkInterface.PduListener pduListener;
+    Pdu receivedPdu;
+    
+    private String networkAddress = "10.1.105.7";
+    private int    networkPort    = 2317;
+    
+    /**
+     * Constructor design goal: additional built-in initialization conveniences can go here
+     * to keep student efforts focused on the runSimulation() method.
+     */
+    public WhiteSimulation()
+    {
+        // Under consideration.  Constructor is not currently needed.
+    }
+    
+    /**
+     * Utility Constructor
+     * @param address network address to use
+     * @param port corresponding network port to use
+     */
+    public WhiteSimulation(String address, int port)
+    {
+        setNetworkAddress(address);
+        
+        setNetworkPort(port);
+    }
+
+    /**
+     * @return the networkAddress
+     */
+    public String getNetworkAddress()
+    {
+        return networkAddress;
+    }
+
+    /**
+     * @param networkAddress the networkAddress to set
+     */
+    public final void setNetworkAddress(String networkAddress)
+    {
+        this.networkAddress = networkAddress;
+    }
+
+    /**
+     * @return the networkPort
+     */
+    public int getNetworkPort()
+    {
+        return networkPort;
+    }
+
+    /**
+     * @param networkPort the networkPort to set
+     */
+    public final void setNetworkPort(int networkPort)
+    {
+        this.networkPort = networkPort;
+    }
+
+    /**
+     * Initialize network interface, choosing best available network interface
+     */
+    public void setUpNetworkInterface()
+    {
+        disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort());
+        
+        System.out.println("Network confirmation: address=" + disNetworkInterface.getMcastGroup() + " port=" + disNetworkInterface.getDisPort());
+        pduListener = new DisThreadedNetworkInterface.PduListener()
+        {
+            /** Callback handler for listener */
+            @Override
+            public void incomingPdu(Pdu newPdu)
+            {
+                receivedPdu = newPdu;
+            }
+        };
+        disNetworkInterface.addListener(pduListener);
+    }
+
+    /** All done, release network resources */
+    public void tearDownNetworkInterface()
+    {
+        disNetworkInterface.removeListener(pduListener);
+        disNetworkInterface.kill();
+        disNetworkInterface = null;
+    }
+
+    /** 
+     * Send a single Protocol Data Unit (PDU) of any type
+     * @param pdu the pdu to send
+     */
+    private void sendSinglePdu(Pdu pdu)
+    {
+        try
+        {
+            disNetworkInterface.send(pdu);
+            Thread.sleep(100); // TODO consider refactoring the wait logic and moving externally
+        } 
+        catch (InterruptedException ex)
+        {
+            System.err.println(this.getClass().getName() + " Error sending PDU: " + ex.getLocalizedMessage());
+            System.exit(1);
+        }
+    }
+
+    /**
+     * Send EntityState, Fire, Comment PDUs
+     * @see <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing Information to a Method or a Constructor</a> Arbitrary Number of Arguments
+     * @param entityStatePdu the ESPDU to send, if any
+     * @param firePdu        the FirePDU to send, if any
+     * @param commentType    enumeration value describing the narrative comment
+     * @param comments       String array of narrative comments
+     */
+    public void sendAllPdus(EntityStatePdu entityStatePdu,
+                               FirePdu firePdu,
+                               VariableRecordType commentType,
+                               // vararg... variable length string
+                               String... comments)
+    {
+        if (entityStatePdu != null)
+            sendPDU(entityStatePdu);
+            
+        if (firePdu != null)
+            sendPDU(firePdu); // bang
+        
+        if ((comments != null) && (comments.length > 0))
+        {
+            ArrayList<String> newCommentsList = new ArrayList<>();
+            for (int i = 0; i < comments.length; i++)
+            {
+                if (!comments[i].isEmpty())
+                     newCommentsList.add(comments[i]); // OK found something to send
+            }
+            if (!newCommentsList.isEmpty())
+            {
+                if (commentType == null)
+                    commentType = VariableRecordType.OTHER;
+                CommentPdu commentPdu = pduFactory.makeCommentPdu(commentType, newCommentsList.toArray(new String[0])); // comments);
+                sendPDU(commentPdu);
+            }
+        }
+    }
+  
+    /**
+     * Main method is first executed when a program instance is loaded.
+     * @see <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java Tutorials: A Closer Look at the "Hello World!" Application</a>
+     * @param args command-line arguments are an array of optional String parameters that are passed from execution environment during invocation
+     */
+    public static void main(String[] args)
+    {
+        WhiteSimulation thisProgram = new WhiteSimulation(); // creates instance
+        
+        // initial execution: can handle args array of initialization arguments here
+        if (args.length == 2)
+        {
+            if ((args[0] != null) && !args[0].isEmpty())
+                thisProgram.setNetworkAddress(args[0]);
+            
+            if ((args[1] != null) && !args[1].isEmpty())
+                thisProgram.setNetworkPort(Integer.parseInt(args[1]));
+        }
+        else if (args.length != 0)
+        {
+            System.err.println("Usage: " + thisProgram.getClass().getName() + " [address port]");
+            System.exit(-1);
+        }
+        // OK here we go...
+
+        //thisProgram.setUpNetworkInterface();
+
+        thisProgram.runSimulation (); // customization code goes in there
+
+        //thisProgram.tearDownNetworkInterface();
+    }
+    
+    /**
+     * Programmer-modifiable method for defining and running a new simulation of interest.
+     * Support include DIS EntityStatePdu, FirePdu and CommentPdu all available for 
+     * modification and sending in a simulation loop.
+     */
+    @SuppressWarnings("SleepWhileInLoop")
+    public void runSimulation ()
+    {
+      try
+      {
+        final double LOOP_DURATION_SECONDS  =  1.0; // seconds
+        final int    MAX_LOOP_COUNT = 10;
+              int    loopCount = 0;
+        VariableRecordType narrativeType = VariableRecordType.OTHER; // of potential use
+        boolean simulationComplete = false; // sentinel variable as termination condition
+        boolean fireBool = false;
+        boolean destBool = false;
+        // TODO reset clock to zero each time for consistent outputs.
+        
+        // your model setup: who's who in this zoo?
+        // create PDU objects and set their values
+        
+         Vector3Double eloc3 = new Vector3Double();
+         double[] loc3 = CoordinateConversions.getXYZfromLatLonDegrees(36.600757, -121.869309, 0 );//NPS Corner by lake
+        
+        EntityID       entityID_1    = new EntityID();
+        entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID 
+        
+
+        
+        EntityStatePdu entityStatePdu = pduFactory.makeEntityStatePdu();
+        entityStatePdu.setEntityID(entityID_1);
+        
+        
+        
+                                EntityID lavID = new EntityID();
+                                lavID.setSiteID(1);
+                                lavID.setApplicationID(13);
+                                lavID.setEntityID(25);
+                                entityStatePdu.setEntityID(lavID);
+                                EntityType lavType = new EntityType(); //1.1.225.2.41.3 Platform,Ground,USA,ArmoredFightingVehicle,LAV,LAV25A2
+                                lavType.setEntityKind(EntityKind.PLATFORM);
+                                lavType.setDomain(Domain.inst(PlatformDomain.LAND));
+                                lavType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+                                lavType.setCategory(2);
+                                lavType.setSubCategory(41);
+                                lavType.setSpecific(3);
+                                entityStatePdu.setEntityType(lavType);
+                                
+                                Vector3Double eloc2 = new Vector3Double();
+                                double[] loc2 = CoordinateConversions.getXYZfromLatLonDegrees(36.599831, -121.878842, 0); //sloat delmonte intersection
+                                eloc2.setX(loc2[0]);
+                                eloc2.setY(loc2[1]);
+                                eloc2.setZ(loc2[2]);
+                                entityStatePdu.setEntityLocation(eloc2);
+                                EulerAngles orient2 = new EulerAngles();
+                                orient2.setPhi((float) 0.0);
+                                orient2.setPsi((float) 0.0);
+                                orient2.setTheta((float) 0.0);                                
+                                entityStatePdu.setEntityOrientation(orient2);
+        
+                                EntityStatePdu entityStatePdu2 = pduFactory.makeEntityStatePdu();
+        
+                                
+                                EntityID bmpID = new EntityID();
+                                bmpID.setSiteID(1);
+                                bmpID.setApplicationID(13);
+                                bmpID.setEntityID(2);
+                                entityStatePdu2.setEntityID(bmpID);
+                                EntityType bmpType = new EntityType(); //1.1.222.2.2.1 Platform,Ground,Russia,ArmoredFightingVehicle,BMP2,BMP2
+                                bmpType.setEntityKind(EntityKind.PLATFORM);
+                                bmpType.setDomain(Domain.inst(PlatformDomain.LAND));
+                                bmpType.setCountry(Country.RUSSIA);
+                                bmpType.setCategory(2);
+                                bmpType.setSubCategory(41);
+                                bmpType.setSpecific(3);
+                                entityStatePdu2.setEntityType(bmpType);
+                                Vector3Double eloc1 = new Vector3Double();
+                                double[] loc1 = CoordinateConversions.getXYZfromLatLonDegrees(36.594116, -121.877463, 0); //NPS Main Gate
+                                eloc1.setX(loc1[0]);
+                                eloc1.setY(loc1[1]);
+                                eloc1.setZ(loc1[2]);
+                                
+                                entityStatePdu2.setEntityLocation(eloc1);
+                                EulerAngles orient1 = new EulerAngles();
+                                orient1.setPhi((float) 3.1415);
+                                orient1.setPsi((float) 0.0);
+                                orient1.setTheta((float) 0.0);                                
+                                entityStatePdu2.setEntityOrientation(orient1);
+                                   
+                                int BMPHitsReceived = 0;
+                                
+                                System.out.println(eloc2.toString());
+                                System.out.println(eloc1.toString());
+                                
+                                //FirePdu firePduNull = new FirePdu();
+                                 FirePdu               firePdu = pduFactory.makeFirePdu();
+        EntityID fireID = new EntityID();
+                                fireID.setSiteID(1);
+                                fireID.setApplicationID(13);
+                                fireID.setEntityID(25);
+                                EntityID targetID = new EntityID();
+                                targetID.setSiteID(1);
+                                targetID.setApplicationID(13);
+                                targetID.setEntityID(2);
+                                
+                                firePdu.setFiringEntityID(fireID);
+                                firePdu.setTargetEntityID(targetID);
+                                
+                                EntityType HEType = new EntityType(); //2.9.225.2.2.1
+                                HEType.setEntityKind(EntityKind.MUNITION);
+                                HEType.setDomain(Domain.inst(PlatformDomain.AIR));
+                                HEType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+                                HEType.setCategory(2);
+                                HEType.setSubCategory(2);
+                                HEType.setSpecific(1);
+                                MunitionDescriptor HEIT = new MunitionDescriptor();
+                                HEIT.setMunitionType(HEType);
+                                HEIT.setQuantity(3);
+                                HEIT.setFuse(MunitionDescriptorFuse.CONTACT_GRAZE);
+                                HEIT.setRate(200);
+                                
+                                firePdu.setDescriptor(HEIT);
+                                EntityID HEID = new EntityID();
+                                HEID.setEntityID(1);
+                                firePdu.setMunitionExpendibleID(HEID);
+                                
+                            //
+                                
+                                
+                                CommentReliablePdu bmpDestroyedComment = pduFactory.makeCommentReliablePdu("BMP2 DESTROYED BY LAV25-A2 AFTER TWO BURSTS OF 25mm HEI-T ON TARGET");
+                                CommentReliablePdu bmpSightedComment = pduFactory.makeCommentReliablePdu("LAV25-A2 ACQUIRES TARGET BMP2 WITHIN FIRING DISTANCE");
+        //if(eloc1.getX())
+        
+        
+            
+        // should we customize this munition?  what is it for your simulation?
+        
+        while (loopCount < MAX_LOOP_COUNT) // loop the simulation while allowed, can set additional conditions to break
+        {
+            String narrativeMessage1, narrativeMessage2, narrativeMessage3, narrativeMessage4;
+            narrativeMessage4 = "";
+            // initialize loop variables
+            loopCount++;
+            
+            // =============================================================================================
+            // your own simulation code starts here!
+            
+            // compute a track, update an ESPDU, whatever it is that your model is doing...
+            
+            // Where is my entity?
+            entityStatePdu.getEntityLocation().setX(entityStatePdu.getEntityLocation().getX()  - 20); // 1m per timestep
+            entityStatePdu.getEntityLocation().setY(entityStatePdu.getEntityLocation().getY() - 75);
+            // decide whether to fire, and then update the firePdu.  Hmmm, you might want a target to shoort at!
+            Double dx = eloc2.getX() - eloc1.getX();
+            Double dy = eloc2.getY() - eloc1.getY();
+            Double dz = eloc2.getZ() - eloc1.getZ();
+            Double range = Math.sqrt(dx*dx + dy*dy);
+            System.out.println("range" + range + "                dx:" +dx + "        dy:"+ dy);
+            // etc. etc. your code goes here
+                
+            if(range < 100){
+                if (!fireBool)
+                    sendPDU(bmpSightedComment);
+                fireBool = true;
+                System.out.println("Entity#" + firePdu.getFiringEntityID().getEntityID() + " is firing " + firePdu.getDescriptor().getMunitionType().getDomain() + "."+firePdu.getDescriptor().getMunitionType().getCountry()   + "." + firePdu.getDescriptor().getMunitionType().getCategory() + "."+ firePdu.getDescriptor().getMunitionType().getSubCategory() + "." + firePdu.getDescriptor().getMunitionType().getSpecific() + "."+ " at Entity#"+ firePdu.getTargetEntityID().getEntityID());
+            
+
+            if(firePdu.getTargetEntityID().getEntityID() == 2){
+                BMPHitsReceived += 1;
+                if (BMPHitsReceived > 1) {
+                    //DESTROY THE BMP!
+                    
+                    System.out.println("BMP Destroyed after "+ BMPHitsReceived + " hits from 25mm HEI-T");
+                    narrativeMessage4 = "Destroyed BMP2";
+                    destBool = true;
+                    
+                }
+            }
+            }
+            
+            
+            // your loop termination condition goes here
+            if (loopCount > 4) // for example
+            {
+                simulationComplete = true;
+            }      
+            // your own simulation code is finished here!
+            // =============================================================================================
+            
+            // keep track of timestep: wait duration for elapsed time in this loop
+            // Thread.sleep needs a (long) parameter for milliseconds, which are clumsy to use sometimes
+            Thread.sleep((long)(LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds
+            System.out.println ("... Pausing for " + LOOP_DURATION_SECONDS + " seconds");
+            
+            // send the status PDUs for this loop and continue
+            System.out.println ("sending PDUs for simulation step " + loopCount + ", monitor loopback to confirm sent");
+            //sendAllPdus(entityStatePdu, firePduNull, null, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+            //sendAllPdus(entityStatePdu2, null, null, narrativeMessage1, narrativeMessage2, narrativeMessage4);
+            sendPDU(entityStatePdu);
+            sendPDU(entityStatePdu2);
+            if (fireBool)
+                sendPDU(firePdu);
+            if (destBool){
+                sendPDU(bmpDestroyedComment);
+            }
+            
+            System.out.println ("... PDUs successfully sent");
+            
+            // ===============================
+            // loop now finished, thus terminate if simulation complete, otherwise send latest PDUs and continue
+            if (simulationComplete || (loopCount > 10000)) // for example; including fail-safe condition is good
+            {
+                CommentReliablePdu completionPdu = pduFactory.makeCommentReliablePdu("White Simulation Completed");
+                sendPDU(completionPdu);
+                System.out.println ("... Termination condition met, simulationComplete=" + simulationComplete);
+                break;
+            }
+        }   // end of while loop
+      } 
+      catch (Exception ex) // handle any exception that your code might choose to provoke!
+      {
+        Logger.getLogger(WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+      }
+    }
+    
+        public void sendPDU(Pdu pdu) {
+        System.out.println("Sending a PDU");
+        MulticastSocket socket = null; // must be initialized, even if null
+        InetAddress destinationIp = null; // must be initialized, even if null
+
+        try {
+            destinationIp = InetAddress.getByName(networkAddress);
+        } catch (UnknownHostException e) {
+            System.out.println(e + " Cannot create address");
+            System.exit(0);
+        }
+        try {
+            // Set up a socket to send information
+            socket = new MulticastSocket(2317);
+        } catch (IOException ex) {
+            Logger.getLogger(WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+        }
+
+        Set<InetAddress> broadcastAddresses;
+        // Loop through sending one ESPDUs
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(baos);
+        try {
+            pdu.marshal(dos);
+            byte[] data = baos.toByteArray();
+
+            DatagramPacket packet = new DatagramPacket(data, data.length, destinationIp, 2317);
+            socket.send(packet);
+            socket.close();
+        } catch (Exception ex) {
+            Logger.getLogger(WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+        }
+}
+}
\ No newline at end of file
diff --git a/lib/README.md b/lib/README.md
index cd707cfc5df225401b304009e248c96e7c74d8f7..235c7b488556a0daf333dcf0a75a0bf11f73f0ed 100644
--- a/lib/README.md
+++ b/lib/README.md
@@ -1,3 +1,8 @@
 ## 'lib' project library directory
 
 This directory contains library jar files used by each of the course project directories.
+
+Of note:
+
+* open-dis7-enumerations jar files contain all [SISO-REF-010](../specifications/README.md) values with sources automatically created from authoritative SISO XML as part of [open-dis7-source-generator](https://github.com/open-dis/open-dis7-source-generator) project
+* open-dis7-java jar files contain all [IEEE PDU packet types](../specifications/IeeeDisPduColorFigures.pdf), with sources automatically created from [XML descriptions](https://github.com/open-dis/open-dis7-source-generator/tree/master/xml) and results collected as part of [open-dis7-java](https://github.com/open-dis/open-dis7-java) project
diff --git a/nbproject/nbjdk.properties b/nbproject/nbjdk.properties
index 36c61d256912b0eee079250242aeec091ea750e2..3033a8abbe8c94d80e50e14c39c869aee52fbf88 100644
--- a/nbproject/nbjdk.properties
+++ b/nbproject/nbjdk.properties
@@ -1 +1 @@
-nbjdk.active=default_platform
+nbjdk.active=default_platform