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NORTHERN TERRITORY, Australia (April 29, 2025) — U.S. Marines with Marine Rotational Force – Darwin 25.3 post security during on-off drills from Royal Australian Air Force Base Darwin to Robertson Barracks, Darwin, Australia, April 29, 2025. This drill ensures rapid and effective loading and unloading of military personnel aboard a MV-22B Osprey. MRF-D 25.3 is part of 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 photo by Sgt. Brian A. Stippey)