Staff Sgt. John Purser, right, together with wounded warriors and volunteers prepare to pull a jeep out of a ditch during an off-road event in Gore, Va., Sept. 15, 2012. Purser, who is the president of 4 Wheel To Heal, is assigned to the command post of the 113th Wing, Joint Base Andrews, Md. (U.S. Air Force photo/Val Gempis)