Changes

Raven Guard power armour utilises enhanced cooling systems that which helps it to blend in better with the background. This means Raven Guard Marines are harder to detect by thermal or infrared devices.{{Fn|11c}}

During the [[Horus Heresy]], the Raven Guard's fleet was equipped with special stealth technology: a ship's [[void shield]]s could be modified so that they provided only minimal protection, but at the benefit of making the vessel nearly undetectable either visually or by sensors. It took only a few minutes for this adjustment to be made.{{Fn|12a}} The Raven Guard also operates a stealthy variant of the [[Thunderhawk]], the [[Shadowhawk]].{{Fn|30a}}