Departing to Site Zero, Derrick and Alex are separated again and they both agree to regroup at the entrance. Along the way, Derrick encounters USMC Lieutenant Gianni deLuca and his squad, equipped with anti-T'lan lasers. Derrick learns from Gianni that Nexus is planning on deploying its T'lan troops all over the Earth using crystal rockets, and it is Gianni's mission is to stop them. Gianni and his squad plan to join up with another unit. While Gianni and his squad have a different goal, other squads are ordered to shoot Derrick on sight. The two part ways and Derrick travels to Site Zero on foot. Traveling into Terminus' sewer system, Derrick is interrupted by Solus, who has been ordered to stop him from entering Site Zero. Narrowly escaping, Derrick reunites with Alex and the two head into the complex.