150331-N-AT895-116 PENSACOLA, Fla. (March 31, 2015) Chief of Naval Operations (CNO) Adm. Jonathan Greenert administers the oath of enlistment to Sailors during an all-hands call on Naval Air Station Pensacola. Greenert spoke to approximately 4,000 Sailors about the importance of the mission at Naval Air Station Pensacola and fielded questions about current issues in the fleet. (U.S. Navy photo by Mass Communication Specialist 1st Class Nathan Laird/Released)