Visible crew/equipment: When the group of U.S. soldiers is going to a higher position (to attack Germans from the top), a camera and crew are visible on right side of the screen. (00:22:55)
Factual error: The canteens used by US troops in a couple of the scenes are the wrong type. The twin handle design M1956 came out in the mid 1950s.
Answer: Units from all nations were mixed throughout the field.