Changes

[[File:Mk6powerarmor.JPG|right|thumb|120px|[[Ultramarine]]Mark 6 Corvus Armor]]

[[Image:Mk 6 corvus armor 200.jpg|right|thumb|200px|Mark 6 Corvus Armor]]

At the end of production of the Mark 4 type a long term research project began to replace the existing power armour. This lead to the production of the Corvus Suit as a stopgap measure using a mixture of new and old features.