Here are some Classic ones (my era) that you might be interested in...
1) Zulu
2) The longest day
3) Sink the Bismark
4) The Blue Max
5) Galipoli
6) Tora, Tora, Tora
7) In Harms Way
8) The Sands of Iwo Jima
9) Hell is for Heroes
10)The War Lover (Steve McQueen)
11)12 O'Clock High
12) Patton
13)The Battle of the Bulge
14)All Quiet on the Western Front
15)Run Silent Run Deep
16)Waterloo
17)The Sand Pebbles
18)Lawrence of Arabia
19)The Desert Fox
20)The Charge of the Light Brigade
Sorry got a bit carried away there....
As for the recent War movies produced
1) Saving Private Ryan
2) Pearl Harbor
3) Enemy at the Gates
4) Black Hawk Down
5) Gladiator
6) Glory
7) Memphis Belle
8) Life is Beautiful
9) When Trumpets Fade
10)The Tuskegee Airmen
I am not a particular fan of Vietnam movies...the long,dark, drug party 'Apocalypse Now' is a real space show (just my humble opinion you either liked it or you hated it) but I recently saw 'We Were Soldiers' and that was a very well done movie showing the Battle from both sides for a change.