Cuban Missile Crisis that the US Navy may not have known about. Khrushchev knew he was losing control. President Kennedy had been told in early 1961 that a nuclear war would likely kill a third of humanity, with most or all of those deaths concentrated in the US, the USSR, Europe and China; Khrushchev may well have received similar reports from his military. With this background, when Khrushchev heard Kennedy's threats relayed by Robert Kennedy to Soviet Ambassador Dobrynin, he immediately drafted his acceptance of Kennedy's latest terms from his dacha without involving the Politburo, as he had previously, and had them immediately
Cuban Missile Crisis in a "Memorandum for the President" describing the "Post Mortem on Cuba." Kennedy's Oval Office telephone conversation with Eisenhower soon after Khrushchev's message arrived revealed that the President was planning to use the Cuban Missile Crisis to escalate tensions with Khrushchev and in the long run, Cuba as well. The President also claimed that he thought the crisis would result in direct military confrontations in Berlin by the end of the next month. He also claimed in his conversation with Eisenhower that the Soviet leader had offered to withdraw from Cuba in exchange for the withdrawal of missiles from Turkey