Cuban Missile Crisis missiles already on the island. At 3:00 pm EDT on October 22, President Kennedy formally established the Executive Committee (EXCOMM) with National Security Action Memorandum (NSAM) 196. At 5:00 pm, he met with Congressional leaders who contentiously opposed a blockade and demanded a stronger response. In Moscow, Ambassador Foy D. Kohler briefed Khrushchev on the pending blockade and Kennedy's speech to the nation. Ambassadors around the world gave notice to non-Eastern Bloc leaders. Before the speech, US delegations met with Canadian Prime Minister John Diefenbaker, British Prime Minister Harold Macmillan, West German Chancellor Konrad Adenauer, French President Charles de Gaulle
Cuban Missile Crisis to prevent a breakdown in the relations between Cuba and the Soviet Union. While in Havana, Mikoyan witnessed the mood swings and paranoia of Castro, who was convinced that Moscow had made the agreement with the US at the expense of Cuba's defense. Mikoyan, on his own initiative, decided that Castro and his military not be given control of weapons with an explosive force equal to 100 Hiroshima-sized bombs under any circumstances. He defused the seemingly intractable situation, which risked re-escalating the crisis, on November 22, 1962. During a tense, four-hour meeting, Mikoyan convinced Castro that despite Moscow's desire to