On May 3, 2026, Marine Rotational Force – Darwin 2026 (MRF-D 26) became the first MRF-D deployment to earn Special Purpose Marine Air-Ground Task Force (SPMAGTF) certification since the rotational force was established in 2011. The task force came together between October 2025 and January 2026 under the leadership of 5th Marine Regiment, 1st Marine Division, I MEF.
“Being the first rotation of MRF-D to be certified as an SPMAGTF is an incredible statement on the capability of the force,” said U.S. Marine Corps Col. George Flynn, commanding officer of 5th Marine Regiment and MRF-D 26. “Achieving this milestone highlights our commitment as a crisis response force in the Indo-Pacific.”
Certification began during Exercise Steel Knight 25 (SK25), where the MRF-D 26 SPMAGTF established command and control nodes at geographically separate locations across California and Arizona, and simulated long-distance movements of troops and cargo across distances like those from Darwin to the Philippines, roughly 1,600 nautical miles, with MV-22B Osprey tiltrotor aircraft and C-130J Super Hercules aircraft. The team also took part in successful simulated scenarios, such as embassy reinforcement, citizen evacuation, casualty evacuation, medical care, aviation support, and expeditionary advanced base operations (EABO).
After the successes during SK25 and the addition of the remaining members of the SPMAGTF in January, MRF-D 26 continued planning and preparation for deployment in mid-March, where they arrived in waves in Darwin. Upon arrival, Marines and Sailors have hit the ground running, participating in community engagements such as Anzac Day services to build trust and camaraderie with the public, and integrating with the Australian Defence Force in exercises such as Wallaby Walk and travelling to New Caledonia to conduct Tagata Toa 2026, a multinational combined arms exercise hosted by the French Armed Forces in New Caledonia.
The certification process was complete during the 41st Exercise Balikatan (BK26), which recently took place in the Philippines and involved forces from the U.S., Australia, Japan, Canada, and New Zealand. Covering a range of scenarios – from conventional warfare to foreign disaster response – BK26 was designed to ensure all participants remain prepared for a range of contingencies.
MRF-D 26 played a key role during a counter-landing live-fire exercise in Aporawan, Palawan, alongside Australian and New Zealand soldiers, as well as a simulated recovery operation of aircraft and personnel; the delivery of supplies to troops and a notional civilian populace in Balabac; and a multinational airfield seizure and EABO establishment.
“Our strength comes from our people. The Marines and Sailors of this rotation are highly trained, adaptable, and ready to work alongside our Australian counterparts,” Flynn said. “It’s about the individual Marine and Sailor building trust and strengthening the bonds that form the true foundation of our alliance.”
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