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Construction of USS Shenandoah, 1923, showing the framework of a rigid airship. A rigid airship is a type of airship (or dirigible) in which the envelope is supported by an internal framework rather than by being kept in shape by the pressure of the lifting gas within the envelope, as in blimps (also called pressure airships) and semi-rigid airships.
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U.S. Army Signal Corps Curtiss JN-3 biplanes with red star insignia, 1915 Nieuport 28 with the World War 1 era American roundels. The first military aviation insignias of the United States include a star used by the US Army Signal Corps Aviation Section, seen during the Pancho Villa punitive expedition, just over a year before American involvement in World War I began.
The Imperial Russian Air Service did not come into being until 1912, and though small fixed-wings airplanes were used in World War I, they were limited in their capabilities. Only after the October Revolution in the 1920s did airship enthusiasts begin constructing small non-rigid ships. The first Soviet airship to ever take flight was the ...
This work has been released into the public domain by its author, Misibacsi.This applies worldwide. In some countries this may not be legally possible; if so: Misibacsi grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
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