A vast armada of Alien warships unleash a deadly assault on the Earth. Taken by surprise, Earth's forces are crushed and only a small squadron of experimental fighters remain. The only chance for survival lies with you and a band of crack fighter pilots. Counterattacking from the orbital space carrier OMAHA, use all of your piloting skills to drive the Alien invaders out of Earth's cities, past the Moon, and back through the mysterious JumpGate from which they came!