Cuban Project by late August, the Soviet military build-up in Cuba disgruntled the Kennedy administration. The fear of open military retaliation against the United States and Berlin for the US covert operations in Cuba slowed down the operation. By October, as the Cuban Missile Crisis heated up, President Kennedy demanded the cessation of Operation Mongoose. Operation Mongoose formally ceased its activities at the end of 1962. The first assassination plots began in the late summer of 1960, according to the Church Committee’s documentation. Some of the plots and ideas ranged from “poisoned pills, an exploding seashell, and a planned gift of a
Cuban Missile Crisis the Jupiter missiles in Turkey would be removed "within a short time after this crisis was over." The last US missiles were disassembled by April 24, 1963 and were flown out of Turkey soon afterward. The practical effect of the Kennedy-Khrushchev Pact was that the US would not invade Cuba. It is possible that Khrushchev placed the missiles in Cuba only to get Kennedy to remove the missiles from Italy and Turkey and that the Soviets had no intention of resorting to nuclear war if they were out-gunned by the US. Because the withdrawal of the Jupiter missiles from NATO