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 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