Sands of Iwo Jima

Haunted by personal demons, Marine Sgt. John Stryker is hated and feared by his men, who see him as a cold-hearted sadist. But when their boots hit the beaches, they begin to understand the reason for Stryker's rigid form of discipline.

https://www.imdb.com/title/tt0041841/
Director: Allan Dwan
Writers: Harry BrownJames Edward Grant