Battlestar Galactica (fictional spacecraft)
In both continuities of the Battlestar Galactica franchise, the main setting is a spacecraft called the Battlestar Galactica.
In both series, the Galactica is a large capital ship which can launch squadrons of Viper single-man fighters and is capable of faster-than-light travel. Galactica is depicted as one of several Battlestars of the Colonial (human) military, but is apparently the only Battlestar to survive the massive Cylon attack that begins the series. Commanded by a character called Adama, the Galactica leads the remnants of humanity in fleet of civilian ships to the mystical planet of "Earth".