A training film in the United States about the means and importance of camouflage in World War II. An artillery piece being covered with leaves and branches. Aerial view of an area. A camouflaged net is used to conceal equipment. A jeep is concealed under crates near a shed. A reconnaissance aircraft in flight. Low, close-up view of hand of a U.S. Army soldier loading a shell into an artillery gun, and then view of a different soldier pulling firing cord to fire the artillery from a camouflaged position.
A film on U.S. electric power resources. New streamlined railroad train called the Comet, in the United States. View in locomotive of engineer and his point of view looking out in front of the moving train. Engineer at the controls of the train. The train on a railway track.
A film on U.S. electric power resources. The Burlington route Pioneer Zephyr diesel-powered railroad train in the United States. The train moves along a railway track. It passes over a bridge. An aircraft in flight overhead. A man walks across a field.
Bombing tests by U.S. Army Air Service General Billy Mitchell in the United States. General Mitchell stands with other officers. A chemical bomb explodes on the forward deck of USS Alabama. An aircraft in flight overhead. It drops bomb on the ship. Smoke rises as the ship explodes. Several bombs being dropped on USS Alabama. Heavy smoke columns rise as the ship explodes. High explosive bombs being dropped. Formation of mushroom clouds after the explosions.
Production of the DH-4 aircraft with the Liberty L-12 engine for the American air services in the United States during World War I. Interior of a factory. Several workers working in the factory. Wings for aircraft are being fabricated. Liberty motors installed on fuselage of aircraft in a factory. Animation over a map of the U.S. shows a cartoon of Uncle Sam talking over a telephone. (World War I; World War 1; WWI; WW1)
Development of air power. Mooring of U.S. Navy airship USS Los Angeles in the United States. The airship comes in and is moored to USS Potoka out on the water. The ship underway at sea. Interior of a helium producing plant at Fort Worth in Texas.
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