Sgt. Jerrod Fields, a U.S. Army World Class Athlete Program Paralympic sprinter hopeful, works out at the U.S. Olympic Training Center in Chula Vista, Calif. A below-the-knee amputee, Fields won a gold medal in the 100 meters with a time of 12.15 seconds at the Endeavor Games in Edmond, Okla., on June 13, 2009.
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Below-knee amputee runs for berth in 2012 Paralympics
Photo by Tim Hipps, FMWRC Public Affairs