Retired Staff Sgt. Nicholas Dadgostar, an Air Force wounded warrior athlete, practices his backstroke during the Warrior Games Training Camp at Eglin Air Force Base, Fla., April 22, 2015. The training camps, hosted by the U.S. Air Force Wounded Warrior Program, in coordination with Brig. Gen. David Harris, the 96th Test Wing commander, assist in recovery and promote mental and physical health, as well as teamwork. (U.S. Air Force photo/Maureen Stewart)