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U.S. Marines assigned to Marine Medium Tiltrotor Squadron (VMM) 364 (Reinforced), 13th Marine Expeditionary Unit, retrieve a fuel hose from a UH-1Y Venom at a forward arming and refueling point in support of routine training at Marine Corps Base Camp Pendleton, California, Aug. 26, 2026. The 13th MEU and the Makin Island Amphibious Ready Group are underway and conducting routine operations in the U.S. 3rd Fleet area of operations to enhance their combined Navy-Marine Corps readiness and lethality. (U.S. Marine Corps photo by Cpl. Grace Stover) - U.S. Marines assigned to Marine Medium Tiltrotor Squadron (VMM) 364 (Reinforced), 13th Marine Expeditionary Unit, retrieve a fuel hose from a UH-1Y Venom at a forward arming and refueling point in support of routine training at Marine Corps Base Camp Pendleton, California, Aug. 26, 2026. The 13th MEU and the Makin Island Amphibious Ready Group are underway and conducting routine operations in the U.S. 3rd Fleet area of operations to enhance their combined Navy-Marine Corps readiness and lethality. (U.S. Marine Corps photo by Cpl. Grace Stover)

Digitally crewed surface vessel delivers parts for the 3D printer aboard Wasp-class amphibious assault ship USS Essex (LHD 2), during Rim of the Pacific (RIMPAC) 2026, July 7, 2026. Unmanned & remotely operated vessels extend the capability of interconnected manned platform sensors to enhance capacity across the multinational force. Thirty nations, over 30 surface ships, 5 submarines, 15 national land forces, more than 206 aircraft and 30,000 personnel are participating in RIMPAC in and around the Hawaiian Islands, June 24 to July 31. The world's largest international maritime exercise, RIMPAC provides a unique training opportunity while fostering and sustaining cooperative relationships among participants critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2026 is the 30th exercise in the series that began in 1971. (U.S. Navy photo by Mass Communication Specialist Seaman Zachary Warr) - Digitally crewed surface vessel delivers parts for the 3D printer aboard Wasp-class amphibious assault ship USS Essex (LHD 2), during Rim of the Pacific (RIMPAC) 2026, July 7, 2026. Unmanned & remotely operated vessels extend the capability of interconnected manned platform sensors to enhance capacity across the multinational force. Thirty nations, over 30 surface ships, 5 submarines, 15 national land forces, more than 206 aircraft and 30,000 personnel are participating in RIMPAC in and around the Hawaiian Islands, June 24 to July 31. The world's largest international maritime exercise, RIMPAC provides a unique training opportunity while fostering and sustaining cooperative relationships among participants critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2026 is the 30th exercise in the series that began in 1971. (U.S. Navy photo by Mass Communication Specialist Seaman Zachary Warr)

U.S. Marines assigned to Marine Medium Tiltrotor Squadron (VMM) 364 (Reinforced), 13th Marine Expeditionary Unit, operate a Light Marine Air-Defense Integrated System during defense of the amphibious task force training aboard Wasp-class amphibious assault ship USS Makin Island (LHD 8) off the coast of California, July 23, 2026. The 13th MEU and the Makin Island Amphibious Ready Group are underway and conducting routine operations in the U.S. 3rd Fleet area of operations to enhance their combined Navy-Marine Corps readiness and lethality. (U.S. Marine Corps photo by Lance Cpl. Fernando Cruz Martinez) - U.S. Marines assigned to Marine Medium Tiltrotor Squadron (VMM) 364 (Reinforced), 13th Marine Expeditionary Unit, operate a Light Marine Air-Defense Integrated System during defense of the amphibious task force training aboard Wasp-class amphibious assault ship USS Makin Island (LHD 8) off the coast of California, July 23, 2026. The 13th MEU and the Makin Island Amphibious Ready Group are underway and conducting routine operations in the U.S. 3rd Fleet area of operations to enhance their combined Navy-Marine Corps readiness and lethality. (U.S. Marine Corps photo by Lance Cpl. Fernando Cruz Martinez)

A U.S. Marine Corps Amphibious Combat Vehicle with 3rd Assault Amphibian Battalion, 1st Marine Division, disembarks from Wasp-class amphibious assault ship USS Makin Island (LHD 8), during Quarterly Underway Amphibious Readiness Training 26.2, off the coast of California, Jan. 23, 2026. - A U.S. Marine Corps Amphibious Combat Vehicle with 3rd Assault Amphibian Battalion, 1st Marine Division, disembarks from Wasp-class amphibious assault ship USS Makin Island (LHD 8), during Quarterly Underway Amphibious Readiness Training 26.2, off the coast of California, Jan. 23, 2026.

Singapore Guardsman Lt. Col. Mohamad Fahrul Bin Saaid, left, the commanding officer for 3rd Battalion Singapore Guards and U.S. Marine Corps Capt. Louis Collins, a company commander with 1st Battalion, 5th Marine Regiment, 1st Marine Division, attached to Marine Rotational Force-Southeast Asia, pose for a photo during the closing ceremony for Valiant Mark 25 at SAFTI City training facility, Singapore, March 27, 2025. - Singapore Guardsman Lt. Col. Mohamad Fahrul Bin Saaid, left, the commanding officer for 3rd Battalion Singapore Guards and U.S. Marine Corps Capt. Louis Collins, a company commander with 1st Battalion, 5th Marine Regiment, 1st Marine Division, attached to Marine Rotational Force-Southeast Asia, pose for a photo during the closing ceremony for Valiant Mark 25 at SAFTI City training facility, Singapore, March 27, 2025. SAFTI City, the premier urban training facility in Southeast Asia, is one of the largest and most technologically advanced facilities of its kind in the world. U.S. Marines with MRF-SEA were the first foreign partner force to train at the facility during Valiant Mark 25. 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 photo by Sgt. Shaina Jupiter)

U.S. Marines with 1st Light Armored Reconnaissance Battalion, attached to Marine Rotational Force-Southeast Asia, pose for a photo while disposing of mortar increments 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) - U.S. Marines with 1st Light Armored Reconnaissance Battalion, attached to Marine Rotational Force-Southeast Asia, pose for a photo while disposing of mortar increments 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)

U.S. Marines, with 1st Light Armored Reconnaissance Battalion, 1st Marine Division, and service members from the Royal Thai Marine Corps and Republic of Korea Marine Corps conduct a live-fire short bay range at Thai Reconnaissance Battalion, Sattahip, Thailand, Feb. 28, 2025, during exercise Cobra Gold. - U.S. Marines, with 1st Light Armored Reconnaissance Battalion, 1st Marine Division, and service members from the Royal Thai Marine Corps and Republic of Korea Marine Corps conduct a live-fire short bay range at Thai Reconnaissance Battalion, Sattahip, Thailand, Feb. 28, 2025, during exercise Cobra Gold. U.S. Marines, alongside Thai and Republic of Korea, conducted a live-fire short bay range during Cobra Gold, the largest joint exercise in mainland Asia, highlighting the strong partnership between Thailand and the United States while fostering cooperation with allied and partner nations. (U.S. Marine Corps photo by Cpl. Jessi Stegall)

Service members with the Royal Brunei Armed Forces and U.S. Marines with Marine Rotational Force - Southeast Asia, participate in a non-lethal subject matter expert exchange for exercise Cooperation Afloat Readiness and Training Brunei 2024 on Bandar Seri Begawan, Brunei, Nov. 20, 2024. CARAT Brunei is conducted annually by the Royal Brunei Armed Forces, the U.S. Navy and the U.S. Marine Corps in order to build relations and maintain a free and open Indo-Pacific. MRF-SEA is a rotational unit derived from elements of I Marine Expeditionary Force 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 presence west of the International Date Line. (U.S. Marine Corps photo by Cpl. Tyler Wilson) - Service members with the Royal Brunei Armed Forces and U.S. Marines with Marine Rotational Force - Southeast Asia, participate in a non-lethal subject matter expert exchange for exercise Cooperation Afloat Readiness and Training Brunei 2024 on Bandar Seri Begawan, Brunei, Nov. 20, 2024. CARAT Brunei is conducted annually by the Royal Brunei Armed Forces, the U.S. Navy and the U.S. Marine Corps in order to build relations and maintain a free and open Indo-Pacific. MRF-SEA is a rotational unit derived from elements of I Marine Expeditionary Force 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 presence west of the International Date Line. (U.S. Marine Corps photo by Cpl. Tyler Wilson)

Service members with the Royal Malaysian Armed Forces, along with U.S. Marines attached to Marine Rotational Force-Southeast Asia, pose for a photo for an amphibious planning subject matter expert exchange during exercise Cooperation Afloat Readiness and Training Malaysia 2024 on Lumut Naval Base, Lumut, Malaysia, Oct. 31, 2024. CARAT Malaysia 2024 highlights the 30th anniversary of CARAT among allies and partners as a way to demonstrate long-term commitment to strengthened relationships throughout South and Southeast Asia and to highlight U.S. commitment to key Association of Southeast Asian Nations (ASEAN) partners to reinforce ASEAN Centrality. MRF-SEA is a rotational unit derived from elements of I Marine Expeditionary Force 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 presence west of the International Date Line. (U.S. Marine Corps photo by Cpl. Tyler Wilson) - Service members with the Royal Malaysian Armed Forces, along with U.S. Marines attached to Marine Rotational Force-Southeast Asia, pose for a photo for an amphibious planning subject matter expert exchange during exercise Cooperation Afloat Readiness and Training Malaysia 2024 on Lumut Naval Base, Lumut, Malaysia, Oct. 31, 2024. CARAT Malaysia 2024 highlights the 30th anniversary of CARAT among allies and partners as a way to demonstrate long-term commitment to strengthened relationships throughout South and Southeast Asia and to highlight U.S. commitment to key Association of Southeast Asian Nations (ASEAN) partners to reinforce ASEAN Centrality. MRF-SEA is a rotational unit derived from elements of I Marine Expeditionary Force 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 presence west of the International Date Line. (U.S. Marine Corps photo by Cpl. Tyler Wilson)

U.S. Navy Hospital Corpsman 2nd Class David Doyle, a preventative medical technician with Marine Rotational Force-Southeast Asia, poses for a photo during KAMANDAG 8 at Camp Cape Bojeador, Burgos, Philippines, Oct. 20, 2024. KAMANDAG is an annual Philippine and U.S. Marine Corps-led exercise aimed at enhancing the Armed Forces of the Philippines’ defense and humanitarian capabilities by providing valuable training in combined operations with foreign militaries in the advancement of a Free and Open Indo-Pacific. This year marks the eighth iteration of this exercise and includes participants from the French Armed Forces, Royal Thai Marine Corps, and Indonesian Marine Corps; including continued participation from the Australian Defense Force, British Armed Forces, Japan Ground Self-Defense Force, and Republic of Korea Marine Corps. MRF-SEA is a rotational unit derived from elements of I Marine Expeditionary Force 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 presence west of the International Date Line. (U.S. Marine Corps photo by Sgt. Shaina Jupiter) - U.S. Navy Hospital Corpsman 2nd Class David Doyle, a preventative medical technician with Marine Rotational Force-Southeast Asia, poses for a photo during KAMANDAG 8 at Camp Cape Bojeador, Burgos, Philippines, Oct. 20, 2024. KAMANDAG is an annual Philippine and U.S. Marine Corps-led exercise aimed at enhancing the Armed Forces of the Philippines’ defense and humanitarian capabilities by providing valuable training in combined operations with foreign militaries in the advancement of a Free and Open Indo-Pacific. This year marks the eighth iteration of this exercise and includes participants from the French Armed Forces, Royal Thai Marine Corps, and Indonesian Marine Corps; including continued participation from the Australian Defense Force, British Armed Forces, Japan Ground Self-Defense Force, and Republic of Korea Marine Corps. MRF-SEA is a rotational unit derived from elements of I Marine Expeditionary Force 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 presence west of the International Date Line. (U.S. Marine Corps photo by Sgt. Shaina Jupiter)