U.S. Marine Corps Col. Jason C. Armas, center, the commanding officer of Marine Rotational Force – Darwin 25.3, and Sgt. Maj. Michael T. Escobar, right, the sergeant major of MRF – D 25.3, pose for a photo with Group Captain Melissa Neilson, the commander of Northern Command, at Royal Australian Air Force Base Darwin, Northern Territory, Australia, March 17, 2025. - U.S. Marine Corps Col. Jason C. Armas, center, the commanding officer of Marine Rotational Force – Darwin 25.3, and Sgt. Maj. Michael T. Escobar, right, the sergeant major of MRF – D 25.3, pose for a photo with Group Captain Melissa Neilson, the commander of Northern Command, at Royal Australian Air Force Base Darwin, Northern Territory, Australia, March 17, 2025. 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. Ezekieljay Correa)