Star Trek: Peaceful Occupations
Deep Space 9
The Cardassian-built, Bajoran-owned, Starfleet-operated space station in the Bajor system, guarding the Bajoran Wormhole to the Gamma Quadrant.
Early in the Dominion War, the Dominion displaced the Starfleet presence there, though continued to cooperate with the neutral Bajorans. Later, Operation Return saw a large Starfleet and Klingon force outwit an even larger Dominion fleet to retake the station. The USS Agora NCC-5099 missed this action, but was soon able to take advantage of the station for repairs and upgrades.