Player Embed Code: <iframe width='500' height='300' scrolling='no' frameborder='0' style='border: none; overflow: hidden; width: 500px; height: 300px;' allowtransparency='true' src='https://www.dvidshub.net/video/embed/704307'></iframe> Download Embed Share Chief of Naval Operations Change of Responsibility Defense.gov Aug. 22, 2019 | 01:11:50 Chief of Naval Operations Adm. John M. Richardson relinquishes command to Navy Adm. Michael M. Gilday during a change of office and retirement ceremony in Washington, Aug. 22, 2019. Secretary of the Navy Richard V. Spencer presides.