U.S. Marines attached to the combat camera unit with Marine Wing Support Squadron 172, 7th Communication Battalion, III Marine Expeditionary Force, and the provost marshal office conduct combat exercises at the Jungle Warfare Training Center (JWTC) at Camp Gonsalves, Okinawa, Japan, Aug. 20, 2009. JWTC training teaches land navigation, small unit leadership, patrolling and obstacle maneuvering. (U.S. Marine Corps photo by Sgt. Leon M. Branchaud/Released)