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The Yoyodyne Division (also known as Yoyodyne Propulsion Systems or YPS) was a shipbuilding entity.

In the 22nd century the YPS pulse fusion was utilized in DY-500-class colony ships. (TNG: "Up The Long Ladder")

In the 24th century the Division built starships for the United Federation of Planets at various shipyards including 40 Eridani A Starfleet Construction Yards, Copernicus Ship Yards, and San Francisco Fleet Yards.

The firm had an office on Deep Space 9's Promenade. (Star Trek: Deep Space Nine)

The company's name was listed on a Promenade directory map seen in many episodes of Deep Space Nine.

Ships built

Class Ship Name Location Date References
Constellation-class USS Hathaway Luna Unknown TNG: "Peak Performance"
Miranda-class USS Brattain 40 Eridani A 22519.5 TNG: "Night Terrors"
Nebula-class USS Phoenix 40 Eridani 40250.5 TNG: "The Wounded"
Nebula-class USS Sutherland San Francisco 44820.5 TNG: "Redemption II"
The existence of this contractor is not mentioned in dialogue, but is derived from the text of the starship dedication plaques and display graphics. It is a reference to the film The Adventures of Buckaroo Banzai Across the Eighth Dimension! (Star Trek: The Next Generation Companion (2nd ed., p. 92)), which, in turn, took the name from Thomas Pynchon's novels V. and The Crying of Lot 49.

See also

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