U.S. Marine Corps veteran Cpl. Travis Greene from Boise,

U.S. Marine Corps veteran Cpl. Travis Greene from Boise, Idaho, awaits a serve in a sitting volleyball game during the 2013 Warrior Games at the U.S. Air Force Academy in Colorado Springs, Colo., on May 12, 2013. The Warrior Games is a Paralympic style competition to elevate wounded, ill and injured service members' abilities through athletic competition. The fourth annual Warrior Games will be held at the Olympic Training Center and Air Force Academy in Colorado Springs, Colo., May 11-16. Athletes will have a chance to compete in swimming, track and field, volleyball, wheelchair basketball, sitting volleyball, cycling, shooting and archery. The Marine team will defend their championship title against the Army, Navy /Coast Guard, Air Force and SOCOM. (U.S. Marine Corps photo by Lance Cpl. Sharon Kyle)