October 14, 1962, witnessed the start of one of the most potentially devastating moments in history, when the United States and the Soviet Union came to the brink of nuclear war during the Cuban Missile Crisis. Photographs taken by a high-altitude U-2 spy plane offered clear evidence that Soviet medium-range missiles — capable of carrying nuclear warheads — were now stationed 90 miles off the American coastline.
Tensions between the U.S. and the USSR over Cuba had been steadily increasing since the failed April 1961 Bay of Pigs invasion. Though the invasion did not succeed, Castro was convinced that the United States would try again, and set out to get more military assistance from the Soviet Union. During the next year, the number of Soviet advisers in Cuba rose to more than 20,000. Read more