Cuban don't want to America suppress, so Cuban want USSR can help them. Castor told America, Khrushchev Transport missiles.
Two U.S. U2 planes flew south to North over Western Cuba
In August 1962, the United States discovered the Soviet missile launch site in Cuba.
In a radio address to the United States and the world, Kennedy announced the fact that the Soviet Union had deployed nuclear missiles in Cuba, declared an armed blockade against Cuba, and demanded that the Soviet Union withdraw its offensive weapons already deployed in Cuba under the supervision of the United Nations.
On Grand Turk Island, about 300 kilometers off the eastern coast of Cuba, there is a huge US missile tracking station, which closely monitors the movements of ships going to Cuba. Cuba was surrounded like a barrel.
Kennedy announced the lifting of the maritime blockade against Cuba