In the fictional `` Star Trek '' universe , the Dominion War is a conflict Hostile_encounter between the forces of the Dominion , Cardassian Union and , later , the Breen Confederacy against the Alpha Quadrant alliance of the United Federation of Planets , the Klingon Empire and , later , the Romulan Star Empire .

In the series this space station was moved Motion so it was situated Placing near a wormhole which provided Supply instantaneous travel to the Gamma Quadrant , a region on the other side of the galaxy .