U.S. Marines and Sailors with Marine Rotational Force-Southeast Asia, as a stand-in force, completing their Fiscal Year 2025 deployment and for the first time, completing a full six-month rotation. After compositing in July 2024, MRF-SEA personnel completed exercises and operations in the Philippines, Indonesia, Malaysia, Brunei, Thailand, and Singapore, comprised with elements from I Marine Expeditionary Force such as 15th Marine Expeditionary Unit; 2nd Battalion, 7th Marine Regiment; 1st Light Armored Reconnaissance Battalion; and 1st Battalion, 5th Marine Regiment. 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 video by Sgt. Shaina Jupiter)

U.S. Marines with 2nd Battalion, 1st Marine Regiment, Marine Rotational Force – Darwin 25.3, Australian Army soldiers with 5th/7th Battalion, The Royal Australian Regiment, and Philippine Marines with 3rd Marine Brigade, Philippine Marine Corps, participate in Exercise Balikatan 25 near Puerto Princesa, Palawan, Philippines, April 21 - May 7, 2025. Balikatan is a longstanding annual exercise between the U.S. and Philippine armed forces designed to strengthen the alliance, showcase the capable combined force, and demonstrate the commitment to regional security and stability. (U.S. Marine Corps video by Sgt. Ezekieljay Correa) (This video contains music from a USMC enterprise licensed asset from Universal Production Music: The Hope That Remains composed by Frederik Wiedmann/universalproductionmusic.com)

U.S. Marines with Combat Logistics Battalion 1, Marine Rotational – Force Darwin 25.3 and 22 partner countries participated in Croix-Du-Sud 25 at New Caledonia and Wallis Island, Wallis and Futuna, from April 21 to May 4, 2025. Croix-du-Sud is a 14-day biennial joint/multilateral field training exercise organized and led by the French Armed Forces New Caledonia, focusing on disaster relief, crisis events, and enhancing partnership and interoperability between the United States and the militaries of the Oceania countries. MRF-D is an annual six-month rotational deployment to enhance interoperability with the Australian Defence Force and allies and partners and provide a forward-postured crisis response force in the Indo-Pacific. (U.S. Marine Corps video by Cpl. Anita Ramos)

U.S. Marine Corps Capt. Griffin Lawrence, a fire support coordinator, and Staff Sgt. Shad Badeau, a fires chief, both with 5th Air Naval Gunfire Liaison Company, III Marine Expeditionary Force Information Group, speak about the challenges and importance of the job of a joint terminal attack controller in the Indo-Pacific during live-fire close air support training at W-174, Joint Okinawa Training Range, Okinawa, Japan, Jan. 28-30, 2025. JTACs are responsible for controlling and coordinating air strikes in support of ground forces. (U.S. Marine Corps video by Cpl. Ramon Cardoza) The video contains music from a USMC enterprise licensed asset from Adobe Stock: Ambient Concerned Electric Guitar (War Times) performed by ChillOut, Tension Action Dramatic (Defenders) performed by TastyTunes, and Forgiveness performed by DoneDeal/stock.adobe.com

U.S. Marines with 3d Littoral Combat Team, 3d Marine Littoral Regiment, 3d Marine Division, conduct the counter-landing live-fire event during Exercise Balikatan 25 in Aparri, Philippines, May 3, 2025. This training was conducted alongside U.S. Soldiers with 25th Infantry Division, Philippine Marines with Marine Battalion Landing Team 10, and Philippine Soldiers with Army Artillery Regiment and the Philippine Army Armored Division. Balikatan is a longstanding annual exercise between the Armed Forces of the Philippines and U.S. military designed to strengthen our ironclad alliance, improve our capable combined force, and demonstrate our commitment to regional security and stability. (U.S. Marine Corps video by Cpl. Malia Sparks) This video was created using Adobe Premiere Pro 21 and contains music from a USMC enterprise licensed asset from Adobe Stock: DRAMATIC TENSE TRAILER (AIRLOCK) performed by FineTuneMusic/stock.adobe.com.

U.S. Marines with III Marine Expeditionary Force participate in Martial Arts Instructor Course 64-25 at Camp Courtney, Okinawa, Japan, May 2, 2025. MAIC educates and develops instructors focused on optimizing performance, increasing durability, through a holistic methodology in physical fitness and martial arts to increase unit readiness in order make a more lethal warfighter. (U.S. Marine Corps video by Lance Cpl. Justin Cledera) The video contains audio from a USMC enterprise licensed asset from Adobe Stock: "Cryptic_Whispers_Full_C22-03806" by Keyframe Audio / https://stock.adobe.com/

U.S. Marines assigned to 5th Air Naval Gunfire Liaison Company, III Marine Expeditionary Force Information Group, undergo underwater egress training at the Camp Hansen aquatic center, Okinawa, Japan, May 1, 2025. Underwater Egress training is designed to certify Marines proficiency at emergency procedures in the event of a water landing onboard a military aircraft. (U.S. Marine Corps video by Cpl. Elijah Murphy) (The video contains audio from a USMC enterprise licensed asset from Adobe Stock: DRUMLINE-ADVERTISING-ACTION-BEAT by future vision/stock.adobe.com)

U.S. Marines with III Marine Expeditionary Force Information Group conduct Exercise Kaiju Rain 25 from April 15 to May 15. Exercise Kaiju Rain 25 enhances III Marine Expeditionary Force Information Group’s ability to conduct command and control, employ sensor capabilities and integrate multi-domain operations to enable III MEF, the joint force, and allies and partners in the Indo-Pacific region. The video contains music from a USMC enterprise licensed asset from Adobe Stock: TENSE-SERIOUS-DRAMA performed by Tasty Tunes/stock.adobe.com (U.S. Marine Corps video by Cpl. Ramon Cardoza)

U.S. Marines with Marine Rotational Force-Southeast Asia, I Marine Expeditionary Force, conduct a a humanitarian aid and disaster relief mission and Exercises Sama Sama, KAMANDAG 8, Keris MAREX, Valiant Mark 24 and 25, Cooperation Afloat Readiness and Training Malaysia and Brunei, and Cobra Gold throughout various countries in Southeast Asia. MRF-SEA traveled to the Philippines, Indonesia, Singapore, Malaysia, Brunei, Thailand and Singapore throughout the deployment. 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. Valiant Mark 25 is the 27th iteration of the exercise. (U.S. Marine Corps video by Sgt. Shaina Jupiter)