U.S. Marine Gen. James F. Amos, commandant of the Marine Corps cheers for the All-Marine Warrior Games Team during a Sitting Volleyball Match during the 2011 Warrior Games at the Olympic Training Center in Colorado Springs, Colo., May 18, 2011. U.S. Army, Marine Corps, Navy and Coast Guard, Air Force and Special Operations compete against one another in various events over a period of five days.