U.S. Marines with 2nd Battalion 1st Marines assigned to the 31st Marine Expeditionary Unit (MEU) provide security while maintaining radio contact with friendly forces during a raid on combat town, central training area Okinawa Japan, July 16th, 2012. The 31st MEU and its Marines train frequently to keep skills and tactics sharp as the 31st MEU is the only continuously forward-deployed MEU and remains the nation's force in readiness in the Asia-pacific region. (USMC photo by Cpl M.S. Oxton, 31st MEU Combat Camera)