From April to October each year, the MRF-D Marine Air-Ground Task Force deploys to Darwin, Australia, postures for contingency, and enhances interoperability with regional allies and partners in order to strengthens relationships, respond to crisis and set conditions for operational tasking.
Under the Palawan sun, in the austerity and humidity of Balabac, Philippines, U.S. Marines and Sailors assigned to I and III Marine Expeditionary Forces completed the final rigorous requirements for Marine Rotational Force – Darwin 26 to be certified as a Special Purpose Marine Air-Ground Task Force, May 3, 2026.
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BALABAC ISLAND, Philippines — U.S. Marines with Marine Rotational Force – Darwin 26, a now-certified Special‑Purpose Marine Air‑Ground Task Force assigned to rotational deployments in the South Pacific, participated in a live-fire assault to secure and hold Balabac Airfield in a demonstration of multi-domain interoperability alongside U.S. Soldiers from 25th Infantry Division, Philippine marines and Australian soldiers during Exercise Balikatan 2026, May 3.
U.S. Marines with Marine Rotational Force – Darwin participated in a combined counter-landing live-fire exercise alongside service members from the Armed Forces of the Philippines, Australia Defence Force and New Zealand Defence Force, April 27, 2026.
U.S. Marines and Sailors with the Marine Rotational Force – Darwin (MRF-D) 25.3 Marine Air-Ground Task Force (MAGTF) and the Australian Defence Force (ADF) set a historic precedent this year for the program and the region. Over the course of a yearlong campaign, the MAGTF that never sleeps, led by “The Old Breed” of 1st Marine Regiment, 1st Marine Division, transformed MRF-D from a rotational presence in northern Australia into a regionally postured, combat-credible force with reach from the Timor Sea to the Luzon Strait and a level of interchangeability with the ADF and multinational allies and partners that are second to none.
U.S. Marines with the Marine Rotational Force – Darwin (MRF-D) Marine Air-Ground Task Force (MAGTF) 25.3 closed out the summer by operating alongside key allies and partners during Exercise Super Garuda Shield 25 in Indonesia and embarking combat-credible forces aboard the U.S. Navy’s expeditionary sea base USS Miguel Keith (ESB-5) for the first time in the rotation’s history. These operations positioned distributed crisis response and combat credible forces across the First and Second Island Chains and demonstrated to combined and joint forces their ability to operate as a true stand-in force in the region.