The Kyshtym Nuclear Disaster in the Ural Mountains. Elisa is caught in the nuclear fallout and is taken to a lab in East Germany, in which she is subjected to ESP experiments. There, she develops her alternate personality, Ursula.
Warning: The following information is from outside Hideo Kojima's core "Metal Gear Saga." It has some level of canonicity within the continuity, but reader discretion is advised.[?]
Elisa is caught in the nuclear fallout of the Kyshtym Nuclear Disaster in the Ural Mountains and is taken to a lab in East Germany, in which she is subjected to ESP experiments. There, she develops her alternate personality, Ursula.
The Advanced Research Projects Agency (ARPA) is created. Its creation is directly attributed to the launching of Sputnik and to U.S. realization that the Soviet Union had developed the capacity to rapidly exploit military technology.
The Boss abandons Jack on a mission without explanation. She is called in to be part of a secret mission by the President to sabotage various Soviet projects, as well as participate in the Mercury Lady project by NASA.
The Object 279 tank is commissioned for the Red Army, but cancelled by Krushchev due to both favoring long-range missiles and budget constraints. Colonel Volgin of GRU later procures the designs and mass-produces the tanks at Tselinoyarsk.
The Soviet Union halts supply of aid to China in nuclear weapons development, resulting in hydrogen bomb and space rocket projects falling behind. This fuels the Chinese Philosophers' desire to recover the Philosophers' Legacy.
^Metal Gear Solid 3: Snake Eater, Konami Computer Entertainment Japan (2004) The Boss: Jack, is that you? How many years has it been? // Naked Snake: Boss?? // The Boss: That's right, it's me. // Naked Snake: ... // The Boss: Talk to me. Let me hear your voice. // Naked Snake: It's been 5 years, 72 days, and 18 hours.