HE didn't fire the missile. HE didn't let it get 'explodeded' because HE couldn't do anything to stop incompetent missile firers firing it. HE was killing orks, while some

was writing the rest of his fluff. "Ooo yes Pedro Kantor, totally awesome guy that. I knowz! I'll destroy his entire chapter in the most stupidist way me'z can finkz of! WOOp dEE dOOp"
Gotta defend my own army, otherwise it makes me look stupid for playin' 'em.