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Winged Shield, Winged Sword: 1907-1950
註釋"This is the milestone official comprehensive history of the United States Air Force with compelling stories about America's airmen and their aircraft. This document, Volume I, contains the first 12 chapters and begins with balloons and the earliest heavier-than-air machines. It carries the story through World War II to the establishment of the United States Air Force as a service separate from, but equal to, the Army and the Navy."--barnesandnoble.com