170720-N-WT427-223 BUSAN, Republic of Korea (July 20, 2017) The combined Republic of Korea (ROK) and U.S. Navy Band performs during a ceremony to celebrate Commander, Naval Forces Korea's (CNFK) 60th anniversary and ROK Fleet's 65th anniversary. CNFK is the U.S. Navy's representative in the ROK, providing leadership and expertise in naval matters to improve institutional and operational effectiveness between the two navies and to strengthen collective security efforts in Korea and the region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jermaine M. Ralliford/Released)