Battle Of The Bulge
Battleground
The Dirty Dozen
The Big Red One
The Patriot
Saving Private Ryan
Bridge Over the River Kwai
Tora Tora Tora
The Longest Day
Black Hawk Down
Kelly's Heroes
Sahara (The original with Bogie)
Star Wars
The Great Escape
1941
Red Dawn
ID4
LOTR
Band Of Brothers
The Pacific (new series)
Tour of Duty
Can't think of anything else
*edit*
Zulu was another good one