U.S. Air Force Staff Sgt. David Wiggins, the noncommissioned officer in charge of survival, evasion, resistance and escape training with the 52nd Operations Support Squadron, swims toward a rescue recovery device during water survival training July 19, 2013, at Spangdahlem Air Base, Germany. The training was designed to familiarize pilots with techniques and skills intended to develop confidence in the event of a water landing or crash. (U.S. Air Force photo by Airman 1st Class Gustavo Castillo/Released)