Cuban Missile Crisis in Florida, warned on the Senate floor that the Soviet Union may be constructing a missile base in Cuba. He charged the Kennedy administration of covering up a major threat to the US, thereby starting the crisis. Air Force General Curtis LeMay presented a pre-invasion bombing plan to Kennedy in September, and spy flights and minor military harassment from US forces at Guantanamo Bay Naval Base were the subject of continual Cuban diplomatic complaints to the US government. The first consignment of R-12 missiles arrived on the night of September 8, followed by a second on September 16. The R-12
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