I created an extensive list for you of some of my preferred war movies like the ones you mentioned. Some are obvious, but also many hidden gems. List and imdb links: https://pastebin.com/h7Ljeqxg
Hope it’s useful
The Pianist imdb link
Operation Mincemeat imdb link
Tuntematon Sotilas / Unknown solider imdb link
They Shall Not Grow Old imdb link
War Horse imdb link
Empire of the Sun imdb link
Zwartboek imdb link
Generation Kill imdb link
Defiance imdb link
Enemy at the Gates imdb link
Joyeux Noël imdb link
1917 imdb link
Operation Finale imdb link
The Monuments Men imdb link
Valkyrie imdb link
The Book Thief imdb link
The Sum of All Fears imdb link
Tears of the Sun imdb link
Where Eagles Dare imdb link
Dunkirk imdb link
Letters from Iwo Jima imdb link
Apocalypse Now imdb link
Band of Brothers imdb link
Inglourious Basterds imdb link
Eye in the Sky imdb link
Saving Private Ryan imdb link
Fury imdb link
Schindler’s List imdb link
Full Metal Jacket imdb link
Black Hawk Down imdb link
Midway imdb link
Greyhound imdb link
Zero Dark Thirty imdb link
The Hurt Locker imdb link
Platoon imdb link
Darkest Hour imdb link
The Pacific imdb link
Der Untergang imdb link
The Boy in the Striped Pyjamas imdb link
The Great Escape imdb link
The Sound of Music imdb link
The Thin Red Line imdb link
Pearl Harbor imdb link
We Were Soldiers imdb link
Jarhead imdb link
Flags of Our Fathers imdb link>
The Bridge on the River Kwai imdb link
A good norwegian movie: Kampen om tungvannet (the fight for heavywater) imdb link
Movie about a critical Norwegian WW2 sabotage operation.
Max Manus imdb link
Another norwegian ww2 movie, which also is located in finland for some duriation