His first movie "Dr Strangelove" put him in direct contact with the U.S military industrial complex. They contacted him because his depiction of the inside of the bombing plane ( I can't remember what model it was ) was so accurate, and yet there was no publiclly available images of the inside of the craft. Kubrick had just guessed what it might look like from books that he had read.

He was definitely in touch with some serous people like , for sure . i