diff --git a/assignments/src/MV3500Cohort2021JulySeptember/homework3/Fisher/ExampleSimulationProgramFisher.java b/assignments/src/MV3500Cohort2021JulySeptember/homework3/Fisher/ExampleSimulationProgramFisher.java
index b222016da067ac41753403c16edc3e5d5d623a08..e28aed24f90a1ba471c2d00cba46a98fbb0552ac 100644
--- a/assignments/src/MV3500Cohort2021JulySeptember/homework3/Fisher/ExampleSimulationProgramFisher.java
+++ b/assignments/src/MV3500Cohort2021JulySeptember/homework3/Fisher/ExampleSimulationProgramFisher.java
@@ -4,9 +4,13 @@ package MV3500Cohort2021JulySeptember.homework3.Fisher;
 /**
  * Copyright (c) 2008-2021, 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
- * @author brutzman@nps.edu
+ * @author adfis
+ * 
+ * This simulation has two entities moving towards each other and when they 
+ * collide a detonation happens.
  */
 
+import edu.nps.moves.dis7.enumerations.ForceID;
 import edu.nps.moves.dis7.enumerations.VariableRecordType;
 import edu.nps.moves.dis7.pdus.CommentPdu;
 import edu.nps.moves.dis7.pdus.EntityID;
@@ -62,9 +66,19 @@ public class ExampleSimulationProgramFisher
         EntityID       entityID_1    = new EntityID();
         entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID; 
         // TODO someday, use enumerations; is there a unique site triplet for MOVES Institute?
+        
+        EntityID       entityID_2    = new EntityID();
+        entityID_2.setSiteID(4).setApplicationID(5).setEntityID(6);
 
         EntityStatePdu entityStatePdu_1 = pduFactory.makeEntityStatePdu();
         entityStatePdu_1.setEntityID(entityID_1);
+        entityStatePdu_1.setForceId(ForceID.FRIENDLY);
+        
+        EntityStatePdu entityStatePdu_2 = pduFactory.makeEntityStatePdu();
+        entityStatePdu_2.setEntityID(entityID_2);
+        entityStatePdu_2.getEntityLocation().setX(10);
+        entityStatePdu_2.setForceId(ForceID.OPPOSING);
+
 
         FirePdu        firePdu_1a       = pduFactory.makeFirePdu(); // for entity 1 first  weapon (if any)
         FirePdu        firePdu_1b       = pduFactory.makeFirePdu(); // for entity 1 second weapon (if any)
@@ -97,7 +111,7 @@ public class ExampleSimulationProgramFisher
             
             // Where is my entity?  Insert changes in position; this sample only changes X position.
             entityStatePdu_1.getEntityLocation().setX(entityStatePdu_1.getEntityLocation().getX() + 1.0); // 1m per timestep
-
+            entityStatePdu_2.getEntityLocation().setX(entityStatePdu_2.getEntityLocation().getX() - 1.0);
             // decide whether to fire, and then update the firePdu.  Hmmm, you might want a target to shoort at!
             
             // etc. etc. your code goes here for your simulation of interest
@@ -129,7 +143,7 @@ public class ExampleSimulationProgramFisher
             System.out.println ("sending PDUs for simulation step " + simulationLoopCount + ", monitor loopback to confirm sent");
             
             // Below is the PDU that comes out as "Comment" in the info
-            sendAllPdusForLoopTimestep(entityStatePdu_1, firePdu_1a, detonationPdu, timeStepComment, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+            sendAllPdusForLoopTimestep(entityStatePdu_1, entityStatePdu_2, firePdu_1a, timeStepComment, narrativeMessage1, narrativeMessage2, narrativeMessage3);
             
             System.out.println ("... [PDUs successfully sent for this loop]");
             
@@ -137,6 +151,7 @@ public class ExampleSimulationProgramFisher
             // loop now finished, check whether to terminate if simulation complete, otherwise continue
             if (simulationComplete || (simulationLoopCount > 10000)) // for example; including fail-safe condition is good
             {
+                sendSinglePdu(detonationPdu);
                 System.out.println ("... [Termination condition met, simulationComplete=" + simulationComplete + "]"); // ", final loopCount=" + loopCount + 
                 break;
             }
@@ -309,23 +324,27 @@ public class ExampleSimulationProgramFisher
      * @param commentType    enumeration value describing purpose of the narrative comment
      * @param comments       String array of narrative comments
      */
-    public void sendAllPdusForLoopTimestep(EntityStatePdu entityStatePdu,
+    public void sendAllPdusForLoopTimestep(EntityStatePdu entityStatePdu1,
+                                EntityStatePdu entityStatePdu2,
                                    FirePdu firePdu,
-                                   DetonationPdu detonationPdu,
+                                   //DetonationPdu detonationPdu,
                         VariableRecordType commentType,
                               // vararg... variable-length set of String comments can optionally follow
                                  String... comments)
     {
-        if (entityStatePdu != null)
-            sendSinglePdu(entityStatePdu);
+        if (entityStatePdu1 != null)
+            sendSinglePdu(entityStatePdu1);
+        
+        if (entityStatePdu2 != null)
+            sendSinglePdu(entityStatePdu2);
                   
 
         if (firePdu != null)
             sendSinglePdu(firePdu); // bang
         
-        if (detonationPdu != null)
-            sendSinglePdu(detonationPdu);
-        
+        //if (detonationPdu != null)
+         //   sendSinglePdu(detonationPdu);
+        //
         if ((comments != null) && (comments.length > 0))
         {
             ArrayList<String> newCommentsList = new ArrayList<>();
@@ -385,7 +404,7 @@ public class ExampleSimulationProgramFisher
 
         thisProgram.runSimulation (); // ... your simulation execution code goes in there ...
         
-        pduRecorder.end();
+        //pduRecorder.end();
 
         thisProgram.tearDownNetworkInterface(); // make sure no processes are left lingering