The Caterpillar tractors in World War II. History of military tractors series.

The film tells about the participation of Caterpillar Tractor Company tractors in World War II.
Author's text.
Used for illustration:
Video ABERDEEN PROVING GROUND RECEIVES ARMY-NAVY "E" AWARD
Department of Defense. Department of the Army. Office of the Chief Signal Officer. (9/18/1947 - 3/1/1964)
ARMY-NAVY "E", EDGEWOOD ARSENAL, MD., NOV. 23, 1942 Department of Defense. Department of the Army. Office of the Chief Signal Officer. (9/18/1947 - 3/1/1964)
music: Lights - Patrick Patrikios.