diff --git a/build.xml b/build.xml
index 4eb0626f99d7fb180ccb11ac6e06fedecb602122..8b636f2b6f006f3320fc621291264ca842e11b5f 100644
--- a/build.xml
+++ b/build.xml
@@ -1,5 +1,39 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
+<!--
+Copyright (c) 1995-2022 held by the author(s).  All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other materials provided with the
+      distribution.
+    * Neither the names of the Naval Postgraduate School (NPS)
+      Modeling Virtual Environments and Simulation (MOVES) Institute
+      https://www.nps.edu and https://www.nps.edu/web/moves
+      nor the names of its contributors may be used to endorse or
+      promote products derived from this software without specific
+      prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-->
+
 <project name="open-dis7-java" default="default" basedir="." xmlns:j2seproject3="http://www.netbeans.org/ns/j2se-project/3">
     <description>Builds, tests, and runs the open-dis7-java project.</description>
     <import file="nbproject/build-impl.xml"/>