Complex sentence: The UED soon discovers a "psi disrupter"--a device capable of disrupting Zerg communications--on the former Confederate capital Tarsonis--and although Duran persuades admiral Gerard DuGalle to have the anti-Zerg device destroyed, Stukov's forces relieve Duran at the last moment.
Split into simpler sentences: The UED soon discovers a "psi disrupter"--a device capable of disrupting Zerg communications--on the former Confederate capital Tarsonis. Although Duran persuades admiral Gerard DuGalle to have the anti-Zerg device destroyed, Stukov's forces relieve Duran at the last moment.