South Korean military assault amphibious vehicles move across a mock battlefield during a combined live-fire exercise at the Royal Thai Navy Tactical Training Center in Ban Chan Krem, Chanthaburi province, Thailand, Feb. 21, 2014, during the conclusion of exercise Cobra Gold 2014. Cobra Gold is a regularly scheduled joint/combined exercise designed to ensure regional peace and strengthen the ability of the Royal Thai Armed Forces to defend Thailand or respond to regional contingencies.