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According to the video, the part that technology played in the Cuban Missile Crisis was "It made it possible for the US to identify missile sites in Cuba."
The Cuban Missile Crisis of October 1962 put the world on the brink of another world confrontation. Those were the years of the Cold War when the United States and the Soviet Union competed in the arms race, the space race, and the spread/containment of Communism around the world.
Technology was key to the United States intelligence because that is how the Army could detect the missiles installed on the island of Cuba, and the major risk for the security of the United States.