Cuban Missile Crisis and that while the Kennedy Administration had agreed not to invade Cuba, they were only in process of determining Khrushchev's offer to withdraw from Turkey. When former US President Harry Truman called President Kennedy the day of Khrushchev's offer, the President informed him that his Administration had rejected the Soviet leader's offer to withdraw missiles from Turkey and was planning on using the Soviet setback in Cuba to escalate tensions in Berlin. The US continued the blockade; in the following days, aerial reconnaissance proved that the Soviets were making progress in removing the missile systems. The 42 missiles and their
Cuban Project in order to undermine the Cuban economy. The Cuban Project was originally designed to culminate in October 1962 with an "open revolt and overthrow of the Communist regime." This was at the peak of the Cuban Missile Crisis, wherein the U.S. and the USSR came alarmingly close to nuclear war over the presence of Soviet missiles in Cuba, verified by low flying aircraft on photographic missions and ground surveillance photography. The operation was suspended on October 30, 1962, but 3 of 10 six-man sabotage teams had already been deployed to Cuba. Dominguez writes that Kennedy put a hold on Mongoose's