Army Sgt. Joshua Ben works out at Walter Reed Army Medical Center's Military Advanced Training Center in Washington, D.C., April 21, 2009. The training center, is dedicated to amputees. Ben lost his right leg above the knee while serving in Iraq. Army Sgt. Joshua Ben works out at Walter Reed Army Medical Center's Military Advanced Training Center in Washington, D.C., April 21, 2009. The training center, is dedicated to amputees. Ben lost his right leg above the knee while serving in Iraq. SHARE: Download: Full Size (8.89 MB) Tags: Photo Essays Credit: VIRIN: 397164-F-MPU67-841.jpg Photo Gallery