Passage: 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 no difference.... The military balance wasn't changed. I didn't believe it then, and I don't believe it now."The EXCOMM agreed that the missiles would affect the political balance. Kennedy had explicitly promised the American people less than a month before the crisis that "if Cuba should possess a capacity to carry out offensive actions against the United States... the United States would act." Also, credibility among US allies and people would be damaged if the Soviet Union appeared to redress the strategic balance by placing missiles in Cuba. Kennedy explained after the crisis that "it would have politically changed the balance of power. It would have appeared to, and appearances contribute to reality."

Question: What organization talked about balancing political and military power?
EXCOMM