JOINT BASE LANGLEY-EUSTIS, Va. –
U.S. Air Force Staff Sgt. Shawn McNamara, 633rd Security Forces Squadron boat patrolman, demonstrates a man overboard drill during a routine patrol in the Back River, Va., Aug. 17, 2016. SFS must train and stay vigilant for any situation that may happen out on patrol. (U.S. Air Force photo by Airman 1st Class Tristan Biese)