Fly the friendly skies as you fight off alien stowaways while attempting to rescue the survivors of the disaster in the air processing plant. On the ground, the two crew members provide technical support for your Marines in Campaign missions and Bug Hunts, along with new pilot and quartermaster experience tracks.

Meanwhile, the marines discover four new Alien variants, The Brute, Guard, Scout and Skulker, add a new dimentision to the Xenomorph hives urge to absorb the occupants of Hadley's Hope.