Marine Combat Instructor of Water Survival, Staff Sgt. Bruce Henning instructs a Marine of Fox Company, 2nd Battalion, 9th Marines while he performs an elementary back stroke during water survival skill training in preparation for his annual swim qualification at Windjammer pool, U.S. Naval Station Guantanamo Bay, Cuba, Nov. 9. The Marines with Fox Co. are conducting training in GTMO until the arrival of USS Wasp, where they will re-board and continue their mission.