150402-N-AT895-306 STENNIS SPACE CENTER, Miss. (April 2, 2015) Chief of Naval Operations (CNO) Adm. Jonathan Greenert answers a question from an audience member at an all-hands call in the StenniSphere at Stennis Space Center. Stennis Space Center is home to several Navy commands, including the Naval Meteorology and Oceanography Command. (U.S. Navy photo by Mass Communication Specialist 1st Class Nathan Laird/Released)