 To save themselves from war-induced climate change (specifically, the ionization of the atmosphere due to unexplained side effects of the nuclear exchange), the KGB loot Eden Project cryonics research from the Johnson Space Center, while Rourke and Natalia fight through Soviet troops, feral dogs, and cannibals to discuss the coming 'end of the world' with Varakov in Chicago.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.