Sienar-Jaemus Army Systems was a manufacturer that provided technologies and vehicles to the First Order. The company was the successor of Sienar Fleet Systems. Atmospheric Assault Landers were one of the main products of Sienar-Jaemus Army Systems.
- Star Wars: The Force Awakens: Incredible Cross-Sections (First mentioned)
- Poe Dameron: Flight Log
- Star Wars Encyclopedia of Starfighters and Other Vehicles