USA in the 1960-ies prepared plans for the total destruction of the Soviet Union and China as the leading industrial powers, While the U.S. military considered the possibility of mass extermination of the civilian population of these States, according to a review published on the Internet representation of the nonprofit organization " Archives of the state security." The researchers drew attention to the documents the Single integrated operational plan (SIOP), dated 1964, which deals with the use of nuclear weapons. In them, for example, reported about the need for the destruction of 70% of the industrial potential of the USSR. The United States admitted the possibility of mass death of civilians. So, by results of examination of the 1961 attack on SIOP plan involves the destruction of 71% of the population of Soviet cities, and the results of the examination 1962