Sigma 1 (escort shuttle)

Sigma 1 was an Imperial Delta-class JV-7 escort shuttle. It was one of four such shuttles to participate in an Imperial attack on the factory ZA-13, which at the time was held by traitorous Grand Admiral Demetrius Zaarin.
==Appearances==
*Star Wars: TIE Fighter: Defender of the Empire 
==Sources==
*TIE Fighter: Defender of the Empire: Official Secrets & Solutions
*TIE Fighter Collector's CD-ROM: The Official Strategy Guide
==Notes and references==
Category:Delta-class JV-7 escort shuttles
Category:Starships of the Galactic Empire