US Army (USA) Lieutenant Colonel (LTC) Ron Stimeare (foreground left), Director for Exercise COMBINE ENDEAVOR 2000 and USA Command Sergeant Major (CSM) Angel DeJesus (foreground right) 222nd Base Support Battalion, demonstrate the "eight count pushup" to exercise participants, inside the fitness facility at Baumholder, Germany. 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