SUPPORTING THE SUBMARINE FORCE AND THE IMPORTANCE OF THE UNDERSEA TO THE NATIONAL DEFENSE
Japan Maritime Self-Defense Force, U.S. Navy and U.S. Marine Corps forces with Royal Australian Navy, Royal Canadian Navy, and French Navy sail and fly together in the Philippine Sea on 20 October 2025, in support of Annual Exercise 25. Image courtesy of the US Navy via USNI.
Forward-deployed US sailors and Marines are training alongside the Japan Maritime Self-Defense Force and other allied militaries in the Philippine Sea as part of Annualex, a multilateral exercise held every other year. This year’s exercise will be completed on 31 October.
“This year’s Annualex focuses on enhancing the Japan and US bilateral alliance within a multilateral context through maritime communication tactics, anti-submarine warfare operations, air warfare operations, replenishment-at-sea and more,” reads US 7th Fleet news release.
Learn more on USNI.
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