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centralized and automated the instantaneous (one-millionth of a second) evaluation of aerospace surveillance data. On February 6, 1967, the Cheyenne Mountain Complex was operational. The Space Defense Center moved from Ent AFB to the complex in 1967. The Space Defense Command's 1st Aerospace Control Squadron would also be relocated to Cheyenne Mountain. By January 4, 1967, the National Civil Defense Warning Center

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