- 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
Inhabited and presumably Class M world (pronounced "HAWK-tun") of Federation colonists, disarmed after being redrawn into the Cardassian side of the Demilitarized Zone in 2370. Three Federation settlers there were killed, and the Cardassians claimed the deaths as retaliation for the bombing of the Bok'nor amid the rising Maquis tension.