This is unbelievable. Beyond any conspiracy theory. Project A119 was the US' plan A for the moon: nuke it. By a globally visible moon mushroom cloud they wanted to prove their superiority after Sputnik.
This plan was dropped as it was deemed "too expensive".
https://mobile.abc.net.au/news/2019-07-17/moon-us-plans-cold-war-russia-sputnik/11220340?pfmredir=sm