Z-Sigma group was a group of Gamma-class ATR-6 assault transports that served the Zaarin splinter government during the Zaarin insurrection. It was present at the Evacuation of Vorknkx Project Base. This article is a stub about a military subject. You can help Wookieepedia by expanding it. AppearancesEdit Star Wars: TIE Fighter SourcesEdit TIE Fighter Collector's CD-ROM: The Official Strategy Guide Retrieved from "https://starwars.fandom.com/wiki/Z-Sigma_group_(Gamma-class)?oldid=7583966" Categories: Legends articlesMilitary stubsGamma-class ATR-6 assault transportsZaarin military units Community content is available under CC-BY-SA unless otherwise noted.