https://www.youtube.com/watch?v=l_YLkIjJtbg
"We have arrived, and it is now that we fulfill our charge. In fealty to the God-Emperor (our Undying Lord), and by the grace of the Golden Throne, I declare exterminatus upon the Imperial world of Typhon Primaris. I hereby sign the Death Warrant of an entire world, and consign a million souls to oblivion. May Imperial justice account in all balance. The Emperor protects."