Deep Space 9

Deep Space 9 is a Federation Starbase operated by Starfleet. It is located in the Denorios Belt of the Bajoran System, guarding the Alpha Quadrant entrance of the Bajoran Wormhole. Formerly known as Terok Nor, the station was built by the Cardassian Union in orbit of Bajor during the Occupation, and then moved to its current position in 2369 by the Starfleet Corps of Engineers.
Deep Space 09