160902-N-OT964-650 WASHINGTON (Sept. 2, 2016) Chief of Naval Operations (CNO) Adm. John Richardson congratulates Master Chief Petty Officer of the Navy (MCPON) Mike Stevens during his Change of Office & Retirement Ceremony . Stevens served as the 13th MCPON for four years, and turned over responsibility to Steven Giordano as the 14th MCPON. (U.S. Navy photo by Mass Communication Specialist 1st Class Martin L. Carey/Released)