The BC-303 is a fictional spacecraft in the science-fiction television show, Stargate SG-1. The BC-303 is the production model of the X-303. Both the F-302 and BC-303 are capable of hyperspace travel, primarily because of advances in hyperspace technology due to the discovery of naquadria on Jonas Quinn's homeworld. The original X-303 featured in the show is named Prometheus. The Daedalus is the sister ship of the Prometheus and is the second of its class of battlecruiser.
