A Marine from the 31st Marine Expeditionary Unit (MEU) participates in a joint Thai/U.S. anti terrorism scenario during the 25th anniversary of the annual U.S./Thai exercise Cobra Gold 2006. Cobra Gold is a combined annual joint training exercise aimed at developing interoperability, strengthening relationships between services and developing cross-cultural understanding among participating nations. U.S. Navy photo by Journalist 2nd Class Brian P. Biller