U.S. Marine Lance Cpl. Mason Barnett, an amphibious assault vehicle crewman attached to 1st Battalion, 2nd Marines, goes through underwater egress training at Camp Lejeune, N.C.<br /><br />The training teaches Marines how to escape various underwater scenarios that they may encounter on their upcoming deployment. (U.S. Marine Corps video by Sgt. Takoune H. Norasingh)
