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Cuban Missile Crisis
Tensions between Cuba and the U.S. heightened during the 1962 missile crisis, which nearly brought the US and the USSR into nuclear conflict. Khrushchev conceived the idea of placing missiles in Cuba as a deterrent to a possible U.S. invasion and justified the move in response to US missile deployment in Turkey. After consultations with his military advisors, he met with a Cuban delegation led by Raúl Castro in July in order to work out the specifics. It was agreed to deploy Soviet R-12 MRBMs on Cuban soil; however, American Lockheed U-2 reconnaissance discovered the construction of the missile installations on 15 October 1962 before the weapons had actually been deployed. The US government viewed the installation of Soviet nuclear weapons 90 miles south of Key West as an aggressive act and a threat to US security. As a result, the US publicly announced its discovery on 22 October 1962, and implemented a quarantine around Cuba that would actively intercept and search any vessels heading for the island. Nikolai Sergevich Leonov, who would become a General in the KGB Intelligence Directorate[50] and the Soviet KGB deputy station chief in Warsaw, was the translator Castro used for contact with the Russians during this period.
In a personal letter to Khrushchev dated 27 October 1962, Castro urged Khrushchev to launch a nuclear first strike against the United States if Cuba were invaded, but Khrushchev rejected any first strike response.[51] Soviet field commanders in Cuba were, however, authorized to use tactical nuclear weapons if attacked by the United States. Khrushchev agreed to remove the missiles in exchange for a US commitment not to invade Cuba and an understanding that the US would remove American MRBMs targeting the Soviet Union from Turkey and Italy, a measure that the US implemented a few months later. The missile swap was never publicized because the Kennedy Administration demanded secrecy in order to preserve NATO relations and protect Democratic candidates in the upcoming elections.