30,000 cavalry horses put on sale in Nebraska, United States. Cavalry horses and mules at Fort Robinson. Horses and mules driven cart move slowly with soldiers. A United States soldier inspects the teeth of the soldier. The mule is inspected by the soldiers before they are sold. A horse is tattooed on its lower lips for identification. Soldier shows horse’s teeth. Cavalry horses and mules are driven to winter feeding grounds. (World War II period).