Red Corsairs

The Red Corsairs are a Renegade Chapter and warband of Heretic Astartes who lead a vast fleet of pirates composed of mortals and other Traitor Marines that threaten Imperial shipping and Imperial worlds near the Maelstrom Warp rift in the Ultima Segmentum, a region known as the Maelstrom Zone to Imperial astrocartographers. The Red Corsairs were once a Loyalist Space Marine Chapter called the Astral Claws who were based on the world of Badab Primaris in the Badab Sector of the Ultima Segmentum. The Astral Claws were, ironically, raised during the 10th Founding in the 35th Millennium to guard against the numerous daemonic and alien threats emerging from the Maelstrom.