This is the original scene from Distant Drums (1951) for which the famous cry was recorded. It precedes out by 2 years the film Charge at Feather River (1953) in which the sound was re-used by the cowboy character Wilhelm and where it got its name. I love how very clear you can hear it. For more on the history of the "Wilhelm Scream," watch this documentary https://www.youtube.com/watch?v=_PxALy22utc