U.S. Marine Corps Sgt. David R. Allen, left, a Marine Corps Water Survival Instructor assigned to Marine Wing Headquarters Squadron (MWHS) 2, and Chief Warrant Officer Kevin F. Kersey, right, a utilities officer assigned to Marine Wing Support Squadron (MWSS) 274, perform first aid on Lance Cpl. Austin J. Sona, a water support technician assigned to MWSS-274, during a Water Survival Advanced Course held at Marine Corps Air Station Cherry Point, N.C., Aug. 5, 2014.
Allen and Kersey pulled Sona from the water after he experienced shallow water blackout. (DoD photo by Lance Cpl. Jodson B. Graves, U.S. Marine Corps/Released). Original public domain image from Flickr