UNSC Fleet Command

UNSC Fleet Command, or as it is more colloquially known, FLEETCOM, is the primary operations group of the UNSC Navy, responsible for ship deployments, mission structures, and space operations. It is subordinate to the UNSC Naval Command. All naval vessels report through FLEETCOM, and the commanding Admirals of the UNSC.

FLEETCOM has two known headquarters, one on the planet Reach at an undisclosed location, but most likely nearby Menachite Mountain and ONI's CASTLE Base. The second known headquarters is in Sydney, Australia, on the planet Earth.

In 2517, FLEETCOM HQ on Reach ordered Jacob Keyes to pilot the Han for Dr. Catherine Halsey for her secret project in examining her future Spartan-II's.