Senior Chief Petty Officer Leslie Hearn relieves Master Chief Petty Officer Douglas Langill during a Command Chief Change of Watch ceremony presided over by Capt. Thomas King, commanding officer of Coast Guard Cutter Munro, in Alameda, Calif., June 21, 2017. A Change of Watch ceremony is a time-honored event preserved by rich heritage of naval tradition and is a formal custom that is designed to strengthen the respect of authority, which is vital to any military organization. U.S. Coast Guard photo by Petty Officer 2nd Class Matthew S. Masaschi.