The newly released Soviet "War Scare" report - previously classified "TOP SECRET UMBRA GAMMA WNINTEL NOFORN NOCONTRACT ORCON" and published after a 12-year fight by the National Security Archive – reveals that the 1983 War Scare was real. According to the President's Foreign Intelligence Advisory Board (PFIAB), the United States "may have inadvertently placed our relations with the Soviet Union on a hair trigger" during the 1983 NATO nuclear release exercise, Able Archer 83. globinfo freexchange The documents prove that the "balance of terror" during the Cold War was very fragile. The philosophy of the MAD (mutually assured destruction), based on the theory of deterrence, might not be sufficient to prevent a nuclear war. According to the theory of deterrence, " the threat of using strong weapons against the enemy prevents the enemy's use of those same weapons. The strategy is a form of Nash equilibriu