The computer records from Deep Space 4 contained information on the Hansen family. Captain Janeway on the USS Voyager, while searching for information on Seven of Nine, could only find the information she needed from Starfleet's database from Deep Space 4. (VOY: "The Gift")
This space station was only mentioned in dialogue.
In "The Chase", the location of Deep Space 4 was pointed out by Richard Galen from a star chart of the Milky Way Galaxy.
|Deep Space stations|
|Deep Space Station K-7 • Tau Ceti Deep Space Station • Deep Space 3 • Deep Space 4 • Deep Space 5 • Deep Space 7 • Deep Space 9 • Deep Space 12 • Deep Space 253 • Hubble Deep Space Station|