The Maelstrom Warders were a group of Space Marine Chapters pledged to defend the regions of the Imperium in proximity to the Maelstrom. Formed in 587.M41, the Warders waged notable campaigns such as the Scourge Campaign. However, they were disbanded with the onset of the Badab War.
- 1: Imperial Armour Volume Nine - The Badab War - Part One, pgs. 11-23