Captains on Terran starships commanded through fear, until they were inevitably replaced via assassination and mutiny.
The Mirror Universe first appeared in an episode of the original series Star Trek, 'Mirror Mirror,' which established a parallel timeline where the peaceful Federation of Planets was replaced with an aggressively expansionist Terran Empire. Some of the most beloved episodes of Star Trek and its multiple incarnations take place in the Mirror Universe, where twisted versions of familiar characters have dark motivations and new facial hair in a world where Starfleet's morals are completely absent.
