Cuban Missile Crisis established a naval blockade on October 22 to prevent further missiles from reaching Cuba; Oval Office tapes during the crisis revealed that Kennedy had also put the blockade in place as an attempt to provoke Soviet-backed forces in Berlin as well. The US announced it would not permit offensive weapons to be delivered to Cuba and demanded that the weapons already in Cuba be dismantled and returned to the Soviet Union. After several days of tense negotiations, an agreement was reached between US President John F. Kennedy and Khrushchev. Publicly, the Soviets would dismantle their offensive weapons in Cuba and
Cuban Missile Crisis 3,600) and in the technology required for their accurate delivery. The US also led in missile defensive capabilities, naval and air power; but the Soviets had a 2–1 advantage in conventional ground forces, more pronounced in field guns and tanks, particularly in the European theater. In 2017, in "The Putin interviews" with the Director Oliver Stone, the Russian president Vladimir Putin said that the placement of Russian missiles in Cuba was a Russian reaction to the earlier stationing of American missiles in Turkey in 1961-62 (PGM-19 Jupiter). It was Khruschev's attempt to achieve a balance of power. In May 1961,