Memory Alpha
Memory Alpha
Multiple realities
(covers information from several alternate timelines)

Deep Space 5 was a Federation Regula I-type deep space station that was in service with Starfleet in the late 24th century. DS5 was located near the planet Ivor Prime.

In an alternate quantum reality visited by Worf in 2370, Deep Space 5 was responsible for new starship developments and the object of covert surveillance by the Cardassians, along with Starbase 47, the Iadara colony, and the Utopia Planitia Fleet Yards. (TNG: "Parallels")

In 2373, Deep Space 5 reported the complete destruction of the colony on Ivor Prime. It was subsequently determined that the Borg were responsible, and were mounting a new attempt at an invasion of the Federation. (Star Trek: First Contact)


Background information

According to Star Trek: Star Charts (p. 66) and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385"), Deep Space 5 was located in the Beta Quadrant.


In the novel Balance of Power, Geordi La Forge mentions that Deep Space 5 was smaller than other deep space stations and smaller than the Enterprise

Deep Space 5 was also mentioned in the Star Trek: Deep Space Nine - Core Game Book as well as in the New Frontier novel House of Cards. In the latter, the station was located near Sector 221-G (β), a region of space that included the planets Danter (β) and Xenex (β) and the former Thallonian Empire (β). The station was under the command of Admiral Edward Jellico. The refitted USS Excalibur launched from Deep Space 5 on its mission to render humanitarian aid to Sector 221-G.

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