U.S. Marine Corps Lance Cpl. Gregory Barber, left, assistant gunner, Lance Cpl. Rogelio MontanoSoto, center, an assistant gunner, and Lance Cpl. Ralph Garcia, a squad leader, all with 1st Light Armored Reconnaissance Battalion, attached to Marine Rotational Force-Southeast Asia, fire an M252 81 mm mortar system during the Marine final exercise at Ban Chan Khrem, Chanthaburi, Thailand, March 6, 2025, during Exercise Cobra Gold 2025. Cobra Gold is the largest joint and combined exercise in mainland Asia, held annually in Thailand, showcasing the U.S. commitment to the region by building interoperability, multilateral cooperative arrangements, and advancing common interests through a commitment to allies and partners in ensuring a free and open Indo-Pacific. MRF-SEA is a rotational unit derived from elements of I MEF executing a U.S. Marine Corps Forces, Pacific operational model that involves training events and exchanges with partner military subject matter experts, promotes security goals with allied and partner nations, and ensures a persistent I MEF stand-in presence west of the international date line. (U.S. Marine Corps photo by Sgt. Shaina Jupiter)