U.S. Marine Corps Chief Warrant Officer 2 Kevin F. Kersey, a utilities officer assigned to Marine Wing Support Squadron 274, recomposes himself after completing a 500 meter swim during a Water Survival Advanced Course held aboard Marine Corps Air Station Cherry Point, N.C., Aug. 4, 2014. Students were tested on their ability to rescue distressed Marines while in the water simulating real life scenarios.. (U.S. Marine Corps photo by Pfc. Koby I. Saunders/Released)