Soldiers with the 271st Movement Control Team demonstrate their combat life-saving skills on a simulated casualty during a training scenario at Naval Weapons Station Yorktown, Va., during a counter improvised explosive device class, June 13, 2013. Soldiers spent three days learning about different types of explosive devices, how to identify them and what to do if they encounter one. (U.S. Air Force photo by Staff Sgt. Wesley Farnsworth / Released)