160807-N-NB544-044 EAST CHINA SEA (Aug. 7, 2016) Fireman Visal Sath, left, from Charlotte, N.C., Aviation Boatswain's Mate (Handling) Jimmy Allen, middle, from San Lorenzo, Puerto Rico, and Fireman Austin Tucker, from Midland, Texas, check the efficiency of the aqueous film forming foam (AFFF) during a system test on the flight deck of amphibious assault ship USS Bonhomme Richard (LHD 6). AFFF is a mixture of water and highly concentrated detergent used on the flight deck and hangar bay to smother fires. Bonhomme Richard is the flagship of the Bonhomme Richard Expeditionary Strike Group, forward-deployed to the U.S. 7th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kyle Carlstrom/Released)