250808-M-MI274-1190

A U.S. Marine Corps MV-22B Osprey assigned to Marine Medium Tiltrotor Squadron (VMM) 265 (Rein.), 31st Marine Expeditionary Unit, supports anti-submarine warfare training, in the Philippine Sea, Aug. 8, 2025.

250808-M-MI274-1190.JPG Photo By: Cpl. Alora Finigan

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31st MEU Supports Anti-Submarine Warfare Operation in Indo-Pacific

Aug 12, 2025

PHILIPPINE SEA - A U.S. Marine Corps MV-22B Osprey assigned to Marine Medium Tiltrotor Squadron (VMM) 265 (Rein.), 31st Marine Expeditionary Unit, supports anti-submarine warfare training, in the Philippine Sea, Aug. 8, 2025. The Marines conducted the training utilizing buoys to detect underwater acoustics for ships and submarines in order to increase U.S. naval forces capabilities to detect and deter in the undersea domain. The 31st MEU is operating aboard ships of the USS America Amphibious Ready Group in the 7th Fleet area of operations, the U.S. Navy’s largest forward-deployed numbered fleet, and routinely interacts and operates with allies and partners in preserving a free and open Indo-Pacific region. (U.S. Marine Corps photo by Cpl. Alora Finigan)

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