Rent Rio Grande (1950)

John Wayne is Lt. Col. Kirby Yorke, attached to the Texas frontier in 1879 to protect settlers from attacks by Apaches. When Yorke's son a West Point flunkee turned Army private - is assigned to his father's regiment, tensions flare upon the arrival of Yorke's estranged wife Kathleen (Maureen O'Hara), who wants their teenaged son out of Yorke's unit. After Apaches attack, the stakes of Yorke's mission escalate, and he must journey to Mexico where the Apaches are hiding out. With his son and two old recruits (Ford / Wayne regulars Ben Johnson and Harry Carey Jr.) as accompaniment, Yorke faces his toughest battle.