US-Soviet tensions were raised by the announcement in March 1983 of the Strategic Defense Initiative , and exacerbated by the Soviet shoot-down of Korean Air Lines Flight 007 near Moneron Island on September 1 . Tensions reached a height with the Able Archer 83 exercises in November 1983 , during which the Soviets feared a pre-emptive American attack
Korean Air Lines Flight 007
Korean Air Lines Flight 007
George Shultz