U.S. Army aircraft patrol for forest fires, in 1919, in the United States. Bulldozers and forest plows introduced in 1932
United States USA Date:1919 Duration:2 min 27 sec Sound:Yes
World War I scenes of U.S. Army airplanes in action at the front. A picture of U.S. Army Major Henry A. (Hap) Arnold and California Forester Kurt Dubois, who, together, started the fire patrol practice by United States Army aircraft in1919. Army flyers lined up on a field. Army Curtis JN-4 (Jenny) airplanes in flight as smoke rises from the forests below. Weighted messages with ribbons attached, being dropped by pilots while in flight to inform about a forest fire. Later on after the installation of radios a pilot sends a message on a radio set in case of a forest fire. In 1920s, Crawler tractors used to skid logs out of the forest. In 1925, tractor with a blade was developed and used to build forest roads. In 1932, a Bulldozer being used to create firebreaks during a Southern California fire. A fire plow in operation.
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