"The Homefront Campaign" brings the Troopers back to a familiar yet newly bug-infested planet: Earth. Tough-as-nails war veteran Rico, telepathic Carl, fearless female soldier Flores and their special squad must face an impossibly difficult assignment to capture and kill scores of enormous bugs without harming San Francisco civilians. But in the midst of their complicated mission, the Troopers suffer a shocking loss that threatens to tear their team apart. Could this be the Troopers" last stand and the final hope for humanity?