150402-N-AT895-425 STENNIS SPACE CENTER, Miss. (April 2, 2015) Chief of Naval Operations (CNO) Adm. Jonathan Greenert tours the Naval Oceanographic Office. The command is the largest subordinate command within the Naval Meteorology and Oceanography Command and is responsible for providing oceanographic products and services to all elements of the Department of Defense. (U.S. Navy photo by Mass Communication Specialist 1st Class Nathan Laird/Released)