Callhon's Unwelcome Surprise

Calhoun's Unwelcome Surprise was an Imperial campaign conducted by the Astra Militarum Themes Shadow Regiment against a large Ork WAAAGH!.

Background
When a large mechanized WAAAGH! invade Astratis the Regiment send the 11th Shadow Battalion led by Major August Callhon which deploy a simple tactic causing many losses among Orks by an handful of tanks, hiding them into camouflaged holes bring to the destruction of Greenskin army by capital Hive defenses is less than an hour.