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In 2025, I Marine Expeditionary Force (I MEF) maintained a forward-deployed, combat-ready posture across the Indo-Pacific, conducting operations alongside allies and partners. Key initiatives included the Marine Rotational Force-Darwin (MRF-D) and Marine Rotational Force-Southeast Asia (MRF-SEA), both of which provided lifesaving support during natural disasters in the Philippines.

I MEF also participated in Exercise Balikatan, validating its capabilities as a joint task force headquarters. Naval integration efforts included a successful amphibious capabilities demonstration with U.S. 3rd Fleet, showcasing modern amphibious warfare.

Innovation was prioritized through participation in the Defense Innovation Unit's GI Challenge, evaluating small unmanned aircraft systems for operational use. I MEF demonstrated its readiness to respond to both domestic and international crises, ensuring scalability and effectiveness in support missions. Looking ahead to 2026, I MEF aims to enhance partnerships and combat capabilities.