180723-N-ES994-009 WASHINGTON (July. 23, 2018) Chief of Naval Operations (CNO) Adm. John Richardson serves as the guest speaker and presiding officer for the change of office and retirement ceremony for Rear Adm. Margaret G. Kibben, U.S. Navy chief of chaplains, as she is relieved by Rear Adm. Brent W. Scott at the Washington Navy Yard. (U.S. Navy photo by Mass Communication Specialist Chief Elliott Fabrizio/Released)