Trowa in Prometheus leads the 100 Aquilas towards Bulge. His fighting style aims to not use all the ammo at once. Trowa disables the Bulge Cannon at close range and mentions he doesn't like the cross gatling because it reminds him of Middie Une and her crucifix transmitter from Episode Zero. He leaves the cross gatling equipped with a time bomb and deals heavy damage to Bulge making it unable to target the lunar surface, helping the rebels. Later an older Trowa regrets destroying the cross gatling while rebuilding the Prometheus.