Public domain
Langley Field, Virginia. YB-17 bombardment squadron. Two good reasons why our air forces will be unpopular with the Axis. These corporals operating side machine guns in a mighty YB-17 bomber have developed into fast, accurate gunners
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Credit lineLangley Field, Virginia. YB-17 bombardment squadron. Two good reasons why our air forces will be unpopular with the Axis. These corporals operating side machine guns in a mighty YB-17 bomber have deve. 1942-01-01. Palmer, Alfred T., United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.