190413-N-BB269-0063 CHARLESTON, S.C. (April 12, 2019) Chief of Naval Operations (CNO) Adm. John Richardson attends the Charleston Submarine Ball in Charleston, South Carolina. The submarine ball commemorates the 119th anniversary of the U.S. Navy's submarine force. (U.S. Navy photo by Mass Communication Specialist 1st Class Raymond D. Diaz III/Released)