The Federal Property and Administrative Services Act of 1949 after the 1947 reorganization for establishing the National Military Establishment was passed regarding reductions of US military bases, forts, posts, and stations. The subsequent 1950s buildup during for the Cold War (e.g., during the Korean War) resulted in extensive installations such as the widespread number of Permanent System radar stations and Semi Automatic Ground Environment (SAGE) control centers. By 1959, plans for extensive numbers of Cold War installations were cancelled (e.g., DoD's June 19, 1959, Continental Air Defense Program reduced the number of Super Combat Center underground nuclear bunker to 7) and in 1958, US Intercontinental Missiles (ICMs) began to replace Strategic Air Command bombers From 1960-1964, the