U.S. Air Force Staff Sgt. India Smith, a 372nd Training Squadron Detachment 17 NCO in charge of knowledge operations, performs a push-up during a half “Murph” workout April 25, 2014, at Spangdahlem Air Base, Germany. The full “Murph” workout consists of a two-mile run, 100 pull-ups, 200 push-ups, and 300 squats. (U.S. Air Force photo by Senior Airman Rusty Frank/Released)