With an established history of more than 30 years, Exercise Cobra Gold is a multi-lateral training exercise hosted by the Kingdom of Thailand Armed Forces and co-led by the U.S. Marines. The 31st MEU works with their Thai counterparts, and participants from numerous other Asia-Pacific nations, to increase interoperability for theater security cooperation and humanitarian aid/disaster relief operations. The combined forces train in functional areas like amphibious assault, amphibious raids, urban combat, jungle survival, non-combatant evacuation, and much more.