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The Japanese Asahi-class destroyer Shiranui (DD 120) sails in formation with the Ticonderoga-class guided-missile cruiser USS Shiloh (CG 67) during Keen Sword 21. Keen Sword is an example of the strength of the U.S.-Japan Alliance, the foundation of peace and security in the Indo-Pacific region for more than 60 years. The relationships built and maintained during these events are critical to our shared capability to respond to contingencies at a moment’s notice.