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 made locally by an undetermined Soviet commander, acting on his own authority. Later that day, at about 3:41 pm EDT, several US Navy RF-8A Crusader aircraft, on low-level photoreconnaissance missions, were fired upon. On October 28, 1962, Khrushchev told his son Sergei that the shooting down of Anderson's U-2 was by the "Cuban military at the direction of Raul Castro." At 4:00 pm EDT, Kennedy recalled members of EXCOMM to the White House and ordered that a message should immediately be sent to U Thant asking the Soviets to suspend work on the missiles while negotiations were carried out. During