UFO attack on the USSR missile base In 1983, the world was on the verge of a nuclear war. This case is reliable verified information from the Russian Ministry of Defense. It happened on October 4, 1983 in the 50th devision of the missile forces of the Carpathian Military District of the Ukrainian USSR. Over the positions of which several UFOs suddenly appeared. At 21:37 Moscow time, an abnormal operation of the automated control system for the launch of ballistic missiles was recorded. The "Start" menu was lit up. Then the tape drive triggered, executing 4 centimeters of the program code. But the tape stopped and rewound back. The launch did not take place due to the fact that the algorithm did not work without the launch control codes of the USSR General Staff. The UFO did not have these ciphers. Full control over the complex of nuclear missiles was returned only after the UFOs suddenly left the airspace of the base. From that moment in the USSR, the UFO phenomenon began to be viewed as a hostile force, working not only against communism, but the entire world as a whole. Min. Defense of the Russian Federation officially recognized that it was a purposeful attack with the aim of reconnaissance in force. Information about this incident was officially published in the early 90s of the 20th century. And today it complements the latest American research in this area.