U.S. Marines with the 3rd Law Enforcement Battalion, III Marine Expeditionary Force Headquarters Group occupy a detention facility March 27, 2014, in Gwangyang, South Korea, in preparation for exercise Ssang Yong 2014. Ssang Yong is a combined U.S.-South Korean combat readiness and joint/combined interoperability exercise designed to advance South Korean command and control capabilities through amphibious operations.