Staff Sgt. Christopher Roundtree, the platoon sergeant

Staff Sgt. Christopher Roundtree, the platoon sergeant of the Maritime Raid Force, 31st Marine Expeditionary Unit, eats a cooked worm during a jungle survival class taught by Royal Thai Marines as a part of Cobra Gold 2013 here, Feb. 20. Cobra Gold demonstrates the resolve of the U.S. and participating nations to increase interoperability, and promote security and peace throughout the Asia-Pacific region. The 31st MEU is the only continuously forward-deployed MEU and is the Marine Corps’ force in readiness in the Asia-Pacific region.