A group of multi-national participants from Exercise COMBINED ENDEAVOR 2000 take part in game of volley ball inside the Fitness Faciltiy at Baumholder Germany, during Exercise COMBINED ENDEAVOR 2000. The Exercise is a Partnership for Peace (PfP) exercise hosted by Germany and is the largest information and communications systems exercise in the world which focuses primarily on Command, Control, Communications, and Computers (C4) interoperability testing and documentation