Col. Tim Karcher, U.S. Army Operational Test Command chief of staff, talks to Brig. Gen. Ken Roberts, U.S. Army Central chief of operations, at the dining facility at Camp Arifjan, Kuwait, July 13, 2014, after returning from Afghanistan for Operation Proper Exit. Karcher, a native of Harker Heights, Texas, has served in the Army for more than 20 years and deploying three times in support of Operation Iraqi Freedom. During his third deployment, in June 2009, his vehicle was struck by an explosively formed penetrator, resulting in the amputation of his legs above the knee. (U.S. Army photo by Sgt. Tracy R. Myers, U.S. Army Central)