The Sigma transport, a Transports, carried Grand Admiral Thrawn to XQ3 Platform NL-1.
Within the Tionese writing system, Sigma represented one of its characters. Frequently, Sigma functioned as a call sign designation for Imperial starships, notably transports like the Delta-class DX-9 stormtrooper transport. Instances of this include the transport Sigma 1 and Sigma Squadron composed of TIE Phantoms.
