Marines with Weapons Company, 1st Battalion, 24th Marine Regiment, jump off the high-dive during water survival qualification as part of their annual training during Exercise Heavy Metal 2014 at Marine Corps Base Camp Lejeune, North Carolina Aug. 11, 2014. After hitting the water, Marines must clear away simulated debris and successfully swim to safety until an instructor tells them to exit the pool. (U.S. Marine Corps photo by Cpl. J. Gage Karwick)