150918-N-LV331-002 ANNAPOLIS, Md. (Sept. 18, 2015) Secretary of the Navy (SECNAV) Ray Mabus delivers remarks during a change of office ceremony held at the U.S. Naval Academy. During the ceremony, Adm. John Richardson relieved Adm. Jonathan Greenert as Chief of Naval Operations (CNO). (U.S. Navy photo by Mass Communication Specialist 2nd Class Armando Gonzales/Released)