|Deep Space 10|
Deep Space 10 was a Federation starbase in operation along the Federation-Cardassian border in the late 24th century. Under the command of Commander Kesh-Mara, DS10 was officially opened in 2376. At that time, the station's main responsibility was to observe all aid and support vessels entering Cardassian space, and to deter pirates from attacking the convoys.
In mid 2377, DS10 suffered a major malfunction in its environmental control systems, which with the use of emergency filtration and oxygen supplies, left the station with only 21 hours of life support. When the station's engineers were unable to repair the system, Commander Kesh-Mara contacted Captain David Gold aboard the USS Da Vinci and requested his immediate assistance. (CoE eBook: Troubleshooting)