Something that I think might sort of provide a starting point of exploration is this 2019 article "Hollywood Films Funded By the Pentagon" https://www.liveabout.com/pentagon-support-for-war-films-343...

Depending on how in depth you want to go you can also take a skim of this https://web.archive.org/web/20011107151615/http://www.guerri... for some search terms for a deeper dive.