The MS-1 ion cannon represents a specific type of ion cannon that was produced by Borstel Galactic Defense. A total of 2,500 MS-1 units were integrated into the Galactic Empire's DS-1 Death Star Mobile Battle Station.
- The MS-1 Ion Cannon card from the Star Wars: Armada — Interdictor Expansion Pack (also re-released within the Upgrade Card Collection) initially introduced this weapon.
- Information can also be found within Star Wars: Complete Vehicles.