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U.S. Marines with the III Marine Expeditionary Force clean their weapons outside the combat operations center in Combat Town, Camp Hansen, Okinawa Japan, Sept. 13, 2025, during the Command Post Exercise portion of Resolute Dragon 25. Resolute Dragon 25 is an annual bilateral exercise across Japan, including the southwest islands, that strengthens the command, control and multidomain maneuver capabilities of III MEF and the Japan Ground Self-Defense Force’s Western Army personnel, alongside representatives across the U.S. and Japanese Joint Force, with a focus on controlling and defending key maritime terrain. (U.S. Marine Corps photo by Gunnery Sgt. Daniel Wetzel) - U.S. Marines with the III Marine Expeditionary Force clean their weapons outside the combat operations center in Combat Town, Camp Hansen, Okinawa Japan, Sept. 13, 2025, during the Command Post Exercise portion of Resolute Dragon 25. Resolute Dragon 25 is an annual bilateral exercise across Japan, including the southwest islands, that strengthens the command, control and multidomain maneuver capabilities of III MEF and the Japan Ground Self-Defense Force’s Western Army personnel, alongside representatives across the U.S. and Japanese Joint Force, with a focus on controlling and defending key maritime terrain. (U.S. Marine Corps photo by Gunnery Sgt. Daniel Wetzel)

U.S. Marine Corps Cpl. Rijohn Adams, an intelligence specialist with 1st Battalion, 5th Marine Regiment, 1st Marine Division, attached to Marine Rotational Force-Southeast Asia, places a Parrot Amari AI drone prior to an unmanned aerial systems flight during the field training exercise as part of Valiant Mark 25 at SAFTI City training facility, Singapore, March 26, 2025. SAFTI City is one of the largest and most technologically advanced urban training facilities in the world and the premier urban training facility in Southeast Asia. Valiant Mark is an annual, bilateral training exercise designed to enhance interoperability, build mutual defense capabilities, and strengthen military-to-military relationships between the U.S. Marine Corps and Singapore Armed Forces. 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 Cpl. Rijohn Adams, an intelligence specialist with 1st Battalion, 5th Marine Regiment, 1st Marine Division, attached to Marine Rotational Force-Southeast Asia, places a Parrot Amari AI drone prior to an unmanned aerial systems flight during the field training exercise as part of Valiant Mark 25 at SAFTI City training facility, Singapore, March 26, 2025. SAFTI City is one of the largest and most technologically advanced urban training facilities in the world and the premier urban training facility in Southeast Asia. Valiant Mark is an annual, bilateral training exercise designed to enhance interoperability, build mutual defense capabilities, and strengthen military-to-military relationships between the U.S. Marine Corps and Singapore Armed Forces. 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.