National Security State National Security Act of 1947 eliminated "National Security Act of 1947" "National Security Act of 1947" National Security Act of 1947 National Security Act of 1947 "National Security Act of 1947" "National Security Act of 1947" created it in 1947 "National Security Act of 1947" National Security Act of 1947 National Security Act of 1947 "National Security Act of 1947" "National Security Act of 1947" National Security Act of 1947 National Security Act of 1947 National Security Act of 1947 - Office of the Historian (CIA) National Security Act of 1947 history.state.gov "National Security Act of 1947" history.state.gov National Security Act of 1947