An American soldier test drives an all terrain cargo-carrier in Aberdeen Maryland. A mule tied to a tree in the foreground. The vehicle loaded with crates is driven along muddy and rough terrain. The soldier gets off the vehicle and bends down to look under the vehicle.
West Point Military Academy cadets being shown the latest war equipment at the Aberdeen Proving Ground in Maryland. The cadets stand in a circle and a tank in the foreground. A cadet seated inside a tank and drives the tank. The cadets applaud. The cadets watch the tank as it rolls on the ground. A tank rolls down in water and splashes water. Soldiers load shells in a field gun. They fire the gun and cadets close their ears with fingers. The field gun fires and cadets stand around the gun.
U.S. 30-caliber machine guns fired in Aberdeen Proving Ground, Maryland. Four 30-caliber machine guns on multiple mount with gun. The Vikers Data Computer directs the firing. The gun crew fires the machine guns.
U.S. 37mm automatic anti-aircraft gun fired in Aberdeen Proving Ground, Maryland. The 37mm automatic anti-aircraft mobile mount in a traveling position. The anti-aircraft gun is manned by the gun crew. An officer loads shells. The gun is fired.
A 3-inch anti-aircraft gun T1 fired in Aberdeen Proving Ground, Maryland. The 3-inch mobile anti-aircraft gun T1 with a muzzle velocity of 2600 feet per second in a traveling position. The gun is emplaced by the members of the crew. A river can be seen in the background. The gun is fired at a towered target by the gun crew. The target is brought down from a height of 9000 feet. Members of the crew pose.
U.S. height finders used in World War I. The Barr and Stroud anti-aircraft height finder used in Aberdeen Proving Ground, Maryland. Members of the crew use the height finders. The crew uses the Bausch and Lomb 8-foot height finder.
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