Boxes of shoes are stacked in a room at the University of East London campus during the U.S. Paralympics team?s preparation for the Paralympic Games in London Aug. 28, 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. Army photo by Sgt. 1st Class Tyrone C. Marshall Jr./Released)