1968 film by Andrew V. McLaglen
The Devil's Brigade is a 1968 American DeLuxe Color war film filmed in Panavision, based on the 1966 book of the same name co-written by American novelist and historian Robert H. Adleman and Col. George Walton, a member of the brigade.
The film recounts the formation, training, and first mission of the 1st Special Service Force, a joint American-Canadian commando unit, known as the Devil's Brigade. The film dramatizes the Brigade's first mission in the Italian Campaign, the task of capturing what is considered an impregnable German mountain stronghold, Monte la Difensa.
Plot summary adapted from Wikipedia, licensed under CC BY-SA 4.0.