Warhammer 40,000: Inquisitor - Martyr - Maelstrom of Carnage

An unfortunate Imperial world has been overrun by Chaos Daemons. Exterminatus is not yet possible, so selfless sacrifice is needed to keep the tide from spiraling out of control. Are you willing to descend amidst the Daemonic hordes and call orbital strikes while you are fighting down there - for the sake of the Imperium of Man?