The TIE fighter or Twin Ion Engine fighter is a series of fictional starfighters featured in the Star Wars universe. TIE fighters are depicted as fast, agile, yet fragile starfighters produced by Sienar Fleet Systems for the Galactic Empire and by Sienar-Jaemus Fleet Systems for the First Order and the Sith Eternal. TIE fighters and other TIE craft appear in Star Wars films, television shows, and throughout the Star Wars expanded universe. Several TIE fighter replicas and toys, as well as a TIE flight simulator, have been produced and sold by many companies.

The evil Galactic Empire, otherwise known as the Galactic Empire or simply as the Empire, is a fictional autocracy featured in the Star Wars franchise. It was first introduced in the 1977 film Star Wars and appears in its two sequels: The Empire Strikes Back (1980) and Return of the Jedi (1983). It is the main antagonistic faction of the original trilogy. An oppressive, autocratic regime with a complicated bureaucracy, the Galactic Empire seeks to ensure singular rule and social control over every planet and civilization within the galaxy.