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Adm. Steve Koehler, commander, U.S. Pacific Fleet, center, receives an update on construction progress of the new Commander, U.S. Naval Forces (CNFK) headquarters from Rear Adm. Sharif Calfee, commander, CNFK, left, and Cmdr. Mark Roussel, engineering and expeditionary chief of staff, CNFK, center, on Jakjeon Naval Base in Busan, Republic of Korea, April 16, 2026. The visit to the Republic of Korea reaffirmed the U.S.- ROK alliance as a linchpin of peace, security, and prosperity, built on decades of shared values, mutual respect, and a commitment to a free and open Indo-Pacific. (U.S. Navy photo by Mass Communication Specialist 2nd Class Christopher Sypert)