- 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
Component of the life support system of a starship. While under the control of Noonien Soong in 2367, Lieutenant Commander Data overrode seven independent safety locks and reset the pumps supplying the bridge of the U.S.S. Enterprise NCC-1701-D to operate in negative mode. Thie resulitng vaccuum forced the bridge crew to evacuate.