A Marine with Company B, Battalion Landing Team 1st Battalion, 4th Marines, 31st Marine Expeditionary Unit, provides security during an amphibious assault in Thailand, Feb. 10. The assault was a multilateral exercise that included Royal Thai, Republic of Korea and U.S. Marines, and was conducted during Exercise Cobra Gold 2012.
(U.S. Marine Corps photo by Cpl. Garry Welch)