The 8th Cadian is comprised of approximately 8,000 Guardsmen divided into roughly 24 companies. At least two companies at a time are in hostile environment training on Prosan (the innermost planet of the Cadian System) and two others help to garrison Kasr Sonnen and Kasr Holn (Fortress Worlds within the Cadian System). Due to their illustrious history and elite status, the companies of the Cadian 8th are in high demand to play support roles for other units or to serve in smaller formations as elite strike forces. As a result, the 8th Cadian rarely fights as an entire unit, instead having its companies deployed as support elements for other, less able Imperial Guard or Planetary Defence Forces. In addition, there is always demand for soldiers of the 8th to be indentured to Inquisitors, part