- 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
A computer program on Starfleet vessels, rigidly controlled by specific programming codes, that can initiate a ship's controlled self-destruction if the command officers deem such an act necessary to prevent capture.