U.S. Marines and sailors run through a stream at the endurance course at the Jungle Warfare Training Center.
U.S. Marines and sailors run through a stream at the endurance course at the Jungle Warfare Training Center at Camp Gonsalves, Okinawa, Japan, on April 8, 2012. The Marines and sailors are assigned to Combat Logistics Regiment 37, 3rd Marine Logistics Group, 3rd Marine Expeditionary Force and Naval Mobile Construction Battalion 40, 31st Seabee Readiness Group. The course includes numerous water obstacles.