Five U.S. Marine Corps CH-46E Sea Knight helicopters arrive at Utapao, Kingdom of Thailand, Feb. 14 before conducting a flyby during an amphibious assault demonstration part of exercise Cobra Gold 2013. U.S. Marines and sailors from the 31st Marine Expeditionary Unit executed the demonstration alongside Royal Thai Marines. The helicopters are assigned to Marine Medium Helicopter Squadron 262, Marine Aircraft Group 36, 1st Marine Aircraft Wing, III Marine Expeditionary Force.