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Ships from the Japan Maritime Self-Defense Force , Republic of Korea Navy, and U.S. Navy Carrier Strike Group (CSG) 1, sail together during a trilateral exercise, Jan. 16. The exercise allowed maritime forces from Japan, the Republic of Korea, and the U.S. to train together to enhance coordination on maritime domain awareness and other shared security interests. CSG-1 is deployed to the U.S. 7th Fleet area of operations in support of a free and open Indo-Pacific. (U.S. Navy photo by Mass Communication Specialist 2nd Class Isaiah M. Williams)