SERE training
Staff Sgt. Josh Krape, 86th Operations Support Squadron survival, evasion, resistance, and escape specialist, demonstrates proper blood choke techniques during their survival, evasion, resistance and escape refresher course, Aug. 13, 2013, Ramstein Air Base, Germany. Aircrews are required to conduct SERE training every three years to stay current and in case they are stranded or lost in a downed aircraft. (U.S. Air Force photo/Airman Dymekre Allen)