180122-N-AT895-082 WASHINGTON (Jan. 22, 2018) Chief of Naval Operations Adm. John Richardson welcomes Adm. Um, Hyun-Seong, Chief of Naval Operations of the Republic of Korea (ROK) navy, with a full honors ceremony at the Washington Navy Yard. Richardson presented Adm. Um with the Legion of Merit for his distinguished service as ROK CNO. (U.S. Navy photo by Mass Communication Specialist 1st Class Nathan Laird/Released)