A Sector Army was a large military unit that was used by the Galactic Republic during the Clone Wars. The Grand Army of the Republic had twenty Sector Armies, each with an accompanying Republic Navy fleet. The 4th Sector Army was one such unit.
- Star Wars: The Prequel Trilogy – A Graphic Novel
- Star Wars: The Clone Wars – "Old Friends Not Forgotten" (Appears in hologram) (Appears in flashback(s))
- Star Wars: Episode III Revenge of the Sith (First appearance)
- Kanan 2 (Vision to Caleb Dume)
- Galaxy's Edge 2 (Appears in flashback(s))
- Star Wars: Force Collection (Card: Bacara (★★★★) (link)) (First identified as Sector Army)
- Rise of the Separatists