Petty Officer 3rd Class Adam Edwards, a Coast Guardsman with the Joint Task Force Maritime Security Detachment practices multiple swimming techniques during a water survival training class at the Marine Hill pool on U.S. Naval Station Guantanamo, June 5. The class is part of their semiannual training requirements which every Coast Guardsman must go through in order to fire crew-served weapons. (U.S. Army photo by Elizabeth Smith/Released)