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The Republic of Korea (ROK) Navy Chungmugong Yi Sun-sin-class destroyer ROKS Wang Geon (DDG 978), right, and Daegu-class frigate ROKS Daejeon (FFG 823), left, sail in formation alongside the Arleigh Burke-class guided-missile destroyer USS Dewey (DDG 105) during the Maritime Counter Special Operations Exercise (MCSOFEX) with the ROK Navy Nov. 18, 2025.
251118-N-JJ672-1291.JPG Photo By: Mass Communication Specialist 2nd Class Oscar Diaz

Nov 21, 2025
At Sea - 251118-N-JJ672-1291 AT SEA (Nov. 18, 2025) – The Republic of Korea (ROK) Navy Chungmugong Yi Sun-sin-class destroyer ROKS Wang Geon (DDG 978), right, and Daegu-class frigate ROKS Daejeon (FFG 823), left, sail in formation alongside the Arleigh Burke-class guided-missile destroyer USS Dewey (DDG 105) during the Maritime Counter Special Operations Exercise (MCSOFEX) with the ROK Navy Nov. 18, 2025. Dewey is forward-deployed and assigned to Destroyer Squadron (DESRON) 15, the Navy’s largest DESRON and the U.S. 7th Fleet’s principal surface force. MCSOFEX is an exercise that promotes regional security cooperation, maintains and strengthens alliances, and enhances interoperability with the ROK Navy. (U.S. Navy photo by Mass Communication Specialist 2nd Class Oscar Diaz).


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