Some of my favorites are in no particular order:
Midway
Glory
Heartbreak Ridge
Platoon
Full Metal Jacket
The Tuskegee Airman
Black Hawk Down
The Longest Day
American Soldiers
Red Dawn
Bravo Team Zero
and for a adrenalin rush Navy Seals

__________________
[IMG]URL=http://img3.imageshack.us/i/heralds.jpg/][/URL][/IMG]