During the Cold War, the United States developed and refined intelligence capabilities upon a number of key factors: Known adversaries, the Soviet Union and the Communist Bloc, including China and North Korea; Known geographic boundaries: that of the communist nation states (We knew where to look); Known conflict of ideology: communism vs. capitalism; Observable (with some degree of confidence over time) military capabilities of adversaries; and Indications (and in some cases, warning - developed over the years) of activity potentially hazardous to the United States and NATO.
Topic:
Defense Policy, National Security, and Science and Technology