Starbase 47 in 2370
Starbase 47 was a Starfleet starbase.
In an alternate quantum reality visited by Worf in 2370, Starbase 47 was the object of covert surveillance by the Cardassian Union, who had reprogrammed the Argus Array to observe the Starbase, as well as other Federation installations responsible for Starship design and/or construction; these included Deep Space 5, the Iadara colony and the Utopia Planitia Fleet Yards. (TNG: "Parallels")
- The cryosatellie from TNG: "The Neutral Zone" was used to depict Starbase 47 in "Parallels."