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Edwards Air Force Base

(Encyclopedia) Edwards Air Force Base, U.S. military installation, 301,000 acres (121,805 hectares), S Calif., NE of Lancaster; est. 1933. It is one of the largest air force bases in the United…

evaporation

(Encyclopedia) evaporation, change of a liquid into vapor at any temperature below its boiling point. For example, water, when placed in a shallow open container exposed to air, gradually disappears…

Douhet, Giulio

(Encyclopedia) Douhet, GiulioDouhet, Giulioj&oomacr;ˈlyō d&oomacr;āˈ [key], 1869–1930, Italian military officer and early advocate of airpower. He was an early supporter of strategic bombing…

compressor

(Encyclopedia) compressor, machine that decreases the volume of air or other gas by the application of pressure. Compressor types range from the simple hand pump and the piston-equipped compressor…

Chennault, Claire Lee

(Encyclopedia) Chennault, Claire LeeChennault, Claire Leeshĕnˈôltˌ [key], 1890–1958, American general, b. Commerce, Tex. In World War I he was a pioneer in air pursuit tactics. Retired (1937) from…

fuel injection

(Encyclopedia) fuel injection, system in an internal-combustion engine that delivers fuel or a fuel-air mixture to the cylinders by means of pressure from a pump. It was originally used in diesel…