Marines wait for the command to advance after rushing out of a Republic of Korea Marine amphibious assault vehicle March 31, 2014, during Ssang Yong 2014 at Dokseok-ri beach in Pohang, Republic of Korea. Ssang Yong 14 exercise is the combined capability of ROK and U.S. Navy and Marine Corps forces. The U.S. Marines are with 2nd Battalion, 3rd Marine Regiment, assigned to 3rd Marine Expeditionary Brigade.