Only the Valiant (1951)

"GREGORY PECK, AS CAPTAIN LANCE, WHO GAVE FORT INVINCIBLE ITS NAME!"

Only the Valiant, a classic western adventure, based on a novel by Charles Marquis Warren, the film tells the story of a Cavalry officer who volunteers for a suicidal mission to fight the hostile Apaches in an effort to prove his loyalty to his men and the woman he loves.