Peter Corbeau uses a device that manipulates the sun's rays which neutralizes the gamma energy enough to regress Hulk back to Bruce Banner.
When Peter Corbeau tries to use the machine to send Juggernaut back, it malfunctions and Hulk returns where they end up fighting through the base until the X-Men arrive.
As it flies away, Peter notes that the Sentinel voices concern about solar radiation levels before realizing he has a long swim to the mainland.
Under the cover of examining an approaching solar storm, Peter Corbeau uses his connections with NASA to launch a Starcore shuttle into space in order to rescue the captive X-Men.
[4] The space station's owner Steven Lang informs the captive Professor X, Peter Corbeau, Cyclops, and Jean Grey that he went over the Sentinel notes and was given a funding from the Council of the Chosen to start Project: Armageddon in order to wipe out the mutant race.
[5] When the shuttle crashes into Jamaica Bay, the X-Men and Peter Corbeau swim to the surface as Jean Grey emerges as the Phoenix.
[9] At the time when Magneto plotted to take over an island somewhere near the Bermuda Triangle, Peter Corbeau was with Professor X, Moira MacTaggert, and Carol Danvers where they witness the Blackbird going down over Julienne's Cay.
[14] During the X-Men's attack on the Human Compound, Emma Frost read Peter Corbeau's mind where she discovered that Doctor Nemesis was the one who created the Legacy Virus.