During the scene where the Marines are resting during the march back to camp they are passed by the 1st Marines returning in trucks. There is waving and jeering as the trucks go by. One of the Marines sitting on the ground can be seen "flipping the bird".
The movie is based on the novel by Leon Uris, who also wrote the screenplay, and was produced and directed by Raoul Walsh. It received an Academy Award nomination for Scoring of a Dramatic or Comedy Picture.