Washington, DC, USA. 12th Sep, 2007. U.S. Army Sgt. 1st Class Jaque Kesslar, a double-leg amputee patient at Walter Reed Army Medical Center, climbs a rock wall in the hospital's new Warrior Advanced Training Center, in Washington, DC, Sept. 12, 2007.Kesslar, from Big Bear Lake, Calif., was deployed to Iraq with Alpha Troop, 4th Squadron, 14th Cavalry Regiment, when he was wounded. The multi-million dollar facility will help amputees from the Iraq and Afghanistan wars heal and rehabilitate. Credit: Bill Putnam/ZUMA Wire/Alamy Live News - Stock Photo