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 hardliners in the US national security apparatus. The US and the USSR did shortly thereafter agree on a treaty banning atmospheric testing of nuclear weapons, known as the "Partial Nuclear Test Ban Treaty". Further after the crisis, the US and the Soviet Union created the Moscow–Washington hotline, a direct communications link between Moscow and Washington. The purpose was to have a way that the leaders of the two Cold War countries could communicate directly to solve such a crisis. The compromise embarrassed Khrushchev and the Soviet Union because the withdrawal of US missiles from Italy and Turkey was a secret