U.S. Navy Lt. Bradley Snyder, assigned to Explosive Ordnance Disposal Group 2, swims down his lane during a 100-meter heat at the Paralympic Games in London Aug. 31, 2012. The Paralympics is a major international sporting event in which thousands of athletes, including wounded and injured U.S. service members, participate in a variety of sporting events. (U.S. Air Force photo by Master Sgt. Sean M. Worrell/Released)