Hannah McFadden, right, a U.S. Paralympian, trains

Hannah McFadden, right, a U.S. Paralympian, trains with her track and field teammates, Amberlynn Webber, center, and Austin Pruitt, at the fitness center track at RAF Lakenheath, England, Aug. 20, 2012. More than 50 U.S. Paralympians and hopefuls were honing their skills and making final preparations for competition in the 2012 Paralympic Games in London. 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 Senior Airman Connor Estes/Released)