writes "'The military considerations were frightening. The report said a nuclear detonation on the moon could yield information "...concerning the capability of nuclear weapons for space warfare." Reiffel said that in military circles at the time, there was "discussion of the moon as military high ground."
That included talk of having nuclear launch sites on the moon, he said. The thinking, according to Reiffel, was that if the Soviets hit the United States with nuclear weapons first and wiped out the U.S. ability to strike back, the U.S. could launch warheads from the moon."Link to Original Source