Rourke and Natalia break into 'The Womb', a Soviet survival habitat in what used to be NORAD, to prevent the KGB from destroying the Eden Project shuttles on their return to Earth. The two take cryonics equipment allowing the Rourkes, Paul, and Natalia to survive the impending climatic catastrophe. Almost all life on the Earth's surface is wiped out, with Varakov dying in Chicago. Rozhdestvenskiy, searching for Rourke in Georgia, dies in a climactic shootout with him, even as the world's atmosphere ignites above them.