Anyone know any rock/metal songs related to war?

[Opus Fluke]

How did I miss this?
Iron Maiden- "The Trooper"
Iron Maiden- "Back In The Village" (more about post traumatic stress but there you go).
Black Sabbath- "War Pigs"

[--Pappa Cricco--]

If i remember correctly Disturbed have a few, i thinks...

[Dr_Evil]

For Whom the Bell Tolls - Metallica
Disposable Heroes - Metallica
One - Metallica
The Day That Never Comes - Metallica
Peace Sells - Megadeth
Crusader - Saxon
World Destruction - Timezone
Civil War - Guns 'N' Roses
War Machine- Kiss
Farewell to Arms - Machine Head
Gimme Shelter - Rolling Stones
B.Y.O.B. - System of a Down
One Shot at Glory - Judas Priest
Us and Them - Pink Floyd
War Ensemble - Slayer
Ghosts of War - Slayer
If You Tolerate This Your Children Will Be Next - Manic Street Preachers
Down From the Sky - Trivium
Indestructible - Disturbed
Invaders - Iron Maiden
2 Minutes to Midnight - Iron Maiden
Aces High - Iron Maiden

The entire Iron Maiden album A Matter of Life & Death.
A whole bunch of other Metallica songs I can't think of right now
Most of the Manowar back catalogue
Turisas album Battle Metal - in fact pretty much anything by any Viking Metal band that isn't about drinking.
Pretty much anything by Bolt Thrower.

The last one may not be good for your eardrums though as anyone old enough to remember them will attest eh Opusfluke!!!

[Cheez]

The last one may not be good for your eardrums though

No idea what you're talking about. 'Tis prefectly lisneblae to.

[Dr_Evil]

I s'pose your right, How can I criticise any band where folk crowd-surf in a wheelchair at their gigs.