Public domain
Mitchell Field. The side gun of an American bomber gets plenty of work during an air battle. Manned by a brave, able, well-equipped gunner, it's one of the tools that is steadily thinning out Japanazi air power
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineMitchell Field. The side gun of an American bomber gets plenty of work during an air battle. Manned by a brave, able, well-equipped gunner, it's one of the tools that is steadily thinning out Japanazi. 1942-01-01. United States. Office For Emergency Management, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.