Not to steal from Martin but, I too like the themes from Battle of Britain & WHere Eagles Dare.

I also include the theme for: The Alamo "Green Leaves of Summer",
Sands of Iwo Jima/Halls of Montezuma (being it's the same theme)
The theme from: "The Fighting 69th" which is "Garry Owen"
The theme from: "The Longest Day"
The theme from: "Patton."
The theme from: "Captain Horatio Hornblower."
Ah yessss...who can forget the theme from: "Das Boot." I like the version that is played by the Polish Philharmonic Orchestra much better.
Finally, the theme from Kelly's Heroes which is: "Burning Bridges" by the: Mike Curb Congregation.

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Lost are only those, who abandon themselves) Hans-Ulrich Rudel.