171214-N-ES994-015 SEOUL, Republic of Korea (Dec. 14, 2017) Chief of Naval Operations (CNO) Adm. John Richardson, left, meets with Gen. Jeong, Kyeong-doo, Chairman of the Republic of Korea Joint Chiefs of Staff (ROK JCS), to reaffirm their commitment to the U.S.-ROK alliance and discuss opportunities to increase interoperability. (U.S. Navy photo by Chief Mass Communication Specialist Elliott Fabrizio/Released)