The Moon Race was a thinly veiled ICBM race - and in military research, cost is rarely a concern. With this type of warfare no longer a major concern came SALT,

The Moon Race was a thinly veiled ICBM race - and in military research, cost is rarely a concern. With this type of warfare no longer a major concern came SALT, SALT II, bean-counting, and the end of this line of development.