190925-N-BB269-1124 SEOUL (Sept. 25, 2019) Chief of Naval Operations (CNO) Adm. Mike Gilday meets with Republic of Korea (ROK) Chief of Naval Operations Adm. Sim Seung-Seob during a visit to the ROK Ministry of Defense. The leaders discussed a range of ROK-U.S. Alliance topics and emphasized the need to train and operate together in support of regional peace and security. (U.S. Navy photo by Mass Communication Specialist 1st Class Raymond D. Diaz III/Released)