Re Korean War, yeah, the only ones I can think of are the Manchurian Candidate and MASHLetters from Iwo Jima is great as well
We Were Soldiers also
What's really missing is Korean War movies.
Hadn't seen it, but if you hadn't mentioned it, I'd definitely point it out. Just the bestActually, anyone mention The Deer Hunter? One of my all time favorites. Also some of my all-time favorites on https://123movie-watch.com are Saving Private Ryan, Dunkirk, and Apocalypse Now. Each of them brings such a unique perspective on the complexities of war.