AIR DEFENSE COMMAND - PAMPHLET
June - October 1962
DETECTION AND IDENTIFICATION
The Air Defense Command operates detection facilities which reach out past the Earth's atmosphere and into space to provide the earliest possible warning of impending ballistic missile attack to NORAD, the Strategic Air Command (SAC) and to other Free World Nations.
BMEWS sites at Clear, Alaska, at Thule, Greenland and in Yorkshire, England warn of enemy missile launchings and predict impact points in North America.
Warning of the air-breathing threat, as well as control of the defensive weapons committed to oppose it, is furnished by three transcontinental radar "picket" lines - the Distant Early Warning (DEW) Line near the U.S.-Canadian border.
Within the United States there are some 128 manned radar installations which, with associated unmanned "gap filler" sites, provide complete and continuous surveillance of the air space over our nation.
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Filed by Science Service