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He took part in the battle of Turanga Canyon against the Kel-Morian Combine. At the start of the battle, the unit's transport was shot down, injuring numerous soldiers including Emillian. Command of the unit fell to Lieutenant Arcturus Mengsk.
Mengsk ordered him and the only other remaining firebat, Eugene Malik to draw the fire of the mercenaries the Kel-Morians had hired while Mengsk's non-resocialized team, Dominion section, flanked and surprised the opposition. Utley did not survive Mengsk's tactics, the mercenaries' gunfire detonating the fuel tanks of his perdition flamethrowers, causing Utley to be immolated.