Purgation of the Doom Coming

The Purgation of the Doom Coming was a xenocidal purgation campaign conducted by the Carbon Fists Space Marine Chapter against the Space Hulk Doom Coming, to cleanse it of the taint of vile Genestealers.

History
Tasked with the destruction of a Space Hulk the 2nd and 7th companies enter the hulk known as the Doom Coming. Upon embarking, the two companies engaging genestears awoken by the sounds provoked by their entrance. The companies would split in order to cover more terrain inside it which would lead to many deaths when Astartes thinned themselves too much. In the end the Chapter managed to destroy the hulk using explosives from inside but not without the death of 100 battle brothers.