A U.S. Marine with the 26th Marine Expeditionary Unit dives under water and performs a self-rescue drill during a swim qualification course at the Area 5 pool aboard Marine Corps Base Camp Lejeune, N.C., March 17, 2015. To pass the course, Marines must demonstrate they can perform a self-rescue which simulates an emergency evacuation from a ship. (U.S. Marine Corps photo by Pfc. Dalton Precht/Released)