Dulma'lin Cleansing
The Dulma'lin Cleansing was a year-long campaign fought by the Catachan II regiment under the command of Colonel "Iron Hand" Straken in 926.M41. It mainly occured in the Ork-infested cavern network of the planet Dulma'lin, where the Catachans used guerrilla tactics to wreak havoc amongst the Orks.
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M41