West Point Training Film: Manual Of Cadet Saber, 1943 (full) 

Freely downloadable at the Internet Archive, where I first uploaded it. U.S. Army training film # SP-18 Brigade Ceremony Procedure, for West Point Cadets.
National Archives description: "TRAINING FILM: On brigade ceremonial procedures.
R.1: Shows position and movement of troops on field during ceremony. Describes correct position of units and ranks.
R.2: Uses diagrams to assists narrator in describing movements."
National Archives Identifier: 36286