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 whether Savitsky himself finally concluded that the only reasonable choice left open to him was to come to the surface. During the conference, McNamara stated that nuclear war had come much closer than people had thought. Thomas Blanton, director of the National Security Archive, said, "A guy called Vasili Arkhipov saved the world." Fifty years after the crisis, Graham T. Allison wrote: BBC journalist Joe Matthews published the story, on October 13, 2012, behind the 100 tactical nuclear warheads mentioned by Graham Allison in the excerpt above. Khrushchev feared that Castro's hurt pride and widespread Cuban indignation over the concessions