Terran Colonial Authority

The Terran Colonial Authority, or TCA, was a human galactic police force. The TCA forces responded to situations which did not immediately call for military assistance.

TCA authority was divided up into jurisdictional sectors, some with more staff and more action than others. Sector Commander Hawkins was the highest ranking official in an outskirts sector which included worlds such as Sanctuary, Hell, Janus, and the sector's headquarters, Avalon. John Dalton and his crew aboard the TCA Atlantis operated in this sector and played a primary role in the incident with the Artifacts.

The TCA has never been referenced outside of Unreal 2, and therefore its status later during the Tournament era is uncertain. It's likely that after the fall of Avalon and Hawkins' flagship Dorian Gray, there was at least a restructuring of power in that sector. The TCA may have even been dissolved, but given the scarcity of marines and the need for policing, it probably remained intact.