US Marine Corps (USMC) Marines from the 31st Marine Expeditionary Unit (31st MEU) disembark from a Landing Craft Air-Cushion (LCAC-63) amphibious landing craft at a beach in Hat Yao, Thailand (THA), during the annual US/Thai EXERCISE COBRA GOLD 2006. This year is the 25th anniversary of COBRA GOLD, a combined annual joint training exercise aimed at developing interoperability, strengthening relationships between services and developing cross-cultural understanding among participating nations