Marines with Company B., Battalion Landing Team 1st Battalion, 4th Marines, 31st Marine Expeditionary Unit, alongside Royal Thai and Republic of Korea Marines receive training during of a jungle survival class held here, Feb. 13. The survival instruction, taught by members of the Royal Thai Marine Reconnaissance, educated U.S. and Republic of Korean Marines on finding sustenance and tools in the jungle environment. The class is part of exercise Cobra Gold 2012, now in its 31st iteration. The exercise is a multi-lateral event focused on strengthening the interoperability of all participating military forces. The 31st MEU is the only continuously forward-deployed MEU and remains the nation’s force in readiness in the Asia-Pacific region.