150331-N-AT895-359 PENSACOLA, Fla. (March 31, 2015) Chief of Naval Operations (CNO) Adm. Jonathan Greenert views a demonstration of a tablet device that will be made available to Sailors through a pilot program called the eSailor initiative. Greenert toured the Naval Air Technical Training Center at Naval Air Station Pensacola, the Navy's largest aviation training center. (U.S. Navy photo by Mass Communication Specialist 1st Class Nathan Laird/Released)