U.S. Marine Corps Lance Cpl. Ernesto Ramos, left, a radar technician assigned to Marine Air Control Squadron 2, receives a simulated attacked by Sgt. David R. Allen, a Marine Corps Water Survival Instructor assigned to Marine Wing Headquarters Squadron 2, during a Water Survival Advanced Course held aboard Marine Corps Air Station Cherry Point, N.C., Aug. 5, 2014. Marines practiced advanced life saving techniques and water endurance tests to simulate real life scenarios. (U.S. Marine Corps photo by Lance Cpl. Jodson B. Graves/Released)