- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
Mechanism used to generate artificial gravity aboard starships. The unit aboard the Klingon ship Kronos One was disabled as part of the scheme to assassinate Chancellor Gorkon in 2293.