150402-N-AT895-072 PASCAGOULA, Miss. (April 2, 2015) Chief of Naval Operations (CNO) Adm. Jonathan Greenert tours Ingalls Shipbuilding. Ingalls is manufacturing several Navy platforms, including USS John P. Murtha (LPD 26), USS John Finn (DDG 113) and USS Tripoli (LHA 7). (U.S. Navy photo by Mass Communication Specialist 1st Class Nathan Laird/Released)