The Red Band Rebels were a group operating on the planet of Cadinth amidst the Cold War that occurred between the Galactic Republic and the Sith Empire. Archiban Kimble, the combat surgeon most often called Doc, served alongside the Rebels for a period.
The initial reference to Fashaka occurred within the Codex entry detailing Doc, the Jedi Knight companion, in Star Wars: The Old Republic, a video game that BioWare launched in 2011.