170720-N-WT427-232 BUSAN, Republic of Korea (July 20, 2017) Sailors assigned to Commander, U.S. Naval Forces Korea (CNFK), the Republic of Korea (ROK) Navy and the Busan City Chorus sing during a combined ROK and U.S. anniversary celebration. The performance was held to celebrate both 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)