Stock Photo Description: Landing Craft Air Cushion Six One prepares for a simulated evacuation exercise during a naval beach group field exercise on Marine Corps Base Camp Pendleton, Calif., Oct. 21, 2006. More than 400 U.S. Navy Sailors are participating in a field exercise aimed at improving overall combat readiness and preparing them for possible deployments around the world in support of the war on terror. DoD photo by Mass Communication Specialist Seaman Daniel A. Barker, U.S. Navy. Stock photography by Department of Defense Public Domain.