Index: /trunk/src/tmcsim/client/cadclientgui/screens/CADMenu.java
===================================================================
--- /trunk/src/tmcsim/client/cadclientgui/screens/CADMenu.java	(revision 3)
+++ /trunk/src/tmcsim/client/cadclientgui/screens/CADMenu.java	(revision 38)
@@ -22,4 +22,5 @@
 import javax.swing.JFrame;
 import javax.swing.JLabel;
+import static javax.swing.WindowConstants.DO_NOTHING_ON_CLOSE;
 
 /**
@@ -86,5 +87,8 @@
         setFocusable(true);
         pack();
-        setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
+        //  Unsure why this was "do nothing" because it prevents the Menu frame
+        //  from closing so the user can't terminate the application.
+        //        setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
+        setDefaultCloseOperation(EXIT_ON_CLOSE);
         setVisible(false);
     }
