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Members of U.S. Navy and Japan Ground Self Defense Force conduct medical training at Camp Foster, Marine Corps Base S.D. Butler, Okinawa prefecture, Japan, during exercise Keen Sword 23, Nov. 15. Keen Sword is a joint, bilateral, biennial field-training exercise involving U.S. military and Japan Self-Defense Force personnel, designed to increase combat readiness and interoperability and strengthen the ironclad Japan-U.S. alliance. (Courtesy photo/Released)
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