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 Missile Crisis as "trigger-happy cowboys" who lost Berlin because they could not peacefully resolve the Cuban situation. The EXCOMM then discussed the effect on the strategic balance of power, both political and military. The Joint Chiefs of Staff believed that the missiles would seriously alter the military balance, but McNamara disagreed. An extra 40, he reasoned, would make little difference to the overall strategic balance. The US already had approximately 5,000 strategic warheads, but the Soviet Union had only 300. McNamara concluded that the Soviets having 340 would not therefore substantially alter the strategic balance. In 1990, he reiterated that "it made