"A Look Back ... The National Security Act of 1947" National Security Act of 1947 National Security Act of 1947 National Security Act of 1947 has been on a de facto war footing since 1947. "A Look Back ... The National Security Act of 1947" A Look Back … The National Security Act of 1947 which created the CIA National Security Act of 1947 National Security Act of 1947 «A Look Back … The National Security Act of 1947» National Security Act of 1947 CIA’s focus on foreign intelligence National Security Act of 1947 National Security Act of 1947