I know I have a soft spot for military/military related movies being a veteran and coming from a military family so I may be biased but if y’all don’t mind an older movie check out The Best Years of our Lives. It came out in 1946 and is about 3 guys from the same town returning home after WW2 and picking up where they left off.
It may sound like a boring premise but I promise it’s an excellent movie. I know it’s currently available on Pluto TV.
Holy geez I just realized what the OP was about. I got excited when I saw all those old noir films and didn't read the about the military stuff.
With that in mind I'll have to recommend Key Largo (1948) then.