Republic of Korea, Thai and US Marines conduct an amphibious assault during Cobra Gold 2011

HAT YAO, Kingdom of Thailand – Royal Thailand Marines, along with infantry Marines with the Battalion Landing Team, 2nd Battalion, 5th Marine Regiment, 31st Marine Expeditionary Unit, 3rd Marine Expeditionary Brigade Forward, III Marine Expeditionary Force, assault the beachhead here in an amphibious assault raid Feb. 10, 2011, during Exercise Cobra Gold 2011. Cobra Gold 2011 is a regularly scheduled multinational training exercise designed to improve partner nation interoperability. (Official U.S. Marine photo by Pfc. Mark W. Stroud/Released)