It is a third echelon operational command reporting to Fleet Forces Command. The Command's personnel are at its headquarters at the John C. Stennis Space Center near
Bay St. Louis, Mississippi, and at several field activities around the world. Effective October 1, 2014, the Command's major subordinate activities fourth echelon commands include the
Naval Oceanographic Office, at
Stennis Space Center Mississippi;
Fleet Numerical Meteorology and Oceanography Center, in Monterey, California; the
Naval Observatory, in Washington, D.C.; the Naval Oceanography Operations Command, at Stennis Space Center, Mississippi; the Fleet Weather Center Norfolk, in Norfolk, Virginia; and
Fleet Weather Center San Diego, in San Diego, California. The Naval Meteorology and Oceanography Professional Development Center in Gulfport, Mississippi has been renamed Information Warfare Training Group Gulfport. All Commands have been administratively realigned to Naval Information Forces, Suffolk, Virginia. Operational control of Navy Oceanography forces remains aligned to Naval Meteorology and Oceanography Command. Furthermore, effective October 1, 2014, the Command realigned its fifth echelon commands. The Naval Ice Center, in Suitland, Maryland aligned underneath the Fleet Weather Center Norfolk; The
Joint Typhoon Warning Center, in
Pearl Harbor, Hawaii aligned underneath Fleet Weather Center San Diego; The
Fleet Survey Team, at
Stennis Space Center, Mississippi aligned underneath the Naval Oceanographic Office; Naval Oceanography Anti-Submarine Warfare Center - Stennis Space Center, Mississippi, Naval Oceanography Mine Warfare Center - Stennis Space Center, Mississippi, and Naval Oceanography Special Warfare Center - San Diego, California who all align underneath The Naval Oceanography Operations Command; In 2020 Naval Oceanography Anti-Submarine Warfare Center - Yokosuka, Japan, re-aligned under Fleet Weather Center San Diego. In 2020, Strike Group Oceanography Teams were established in San Diego and then Norfolk aligned under the respective Fleet Weather Centers. It services to five of the Navy's war fighting disciplines: • Anti-Submarine Warfare; • Special Warfare; • Mine Warfare; • Intelligence, Surveillance and Reconnaissance; • and Fleet Operations (Strike and Expeditionary) It also supports Navigation, Precise Time and Astrometry, Maritime Operations and Aviation Operations. ==2020 realignment==