The Nebulon-B Frigate is a starship from the fictional Star Wars universe. Built before and during the Galactic Civil War, this ship was used by both sides of the battle as a support ship for the large capital ships, such as Imperial Star Destroyers and Mon Calamari Cruisers. It was often used by the Rebellion during the Galactic Civil War, with the most famous instance of this ship being the Medical Frigate seen in the movie Return of the Jedi . Designed and built by Kuat Drive Yards, the ship mounts twelve turbolaser batteries and twelve laser cannons. A Nebulon-B Frigate carries 24 starfighters.