161015-N-AT895-128 BALTIMORE (Oct. 16, 2016) Chief of Naval Operations (CNO) Adm. John Richardson introduces Secretary of the Navy (SECNAV) Ray Mabus during the commissioning ceremony for the Navy's newest and most technologically advanced warship, USS Zumwalt (DDG 1000). (U.S. Navy photo by Petty Officer 1st Class Nathan Laird/Released)