Public domain
On the final assembly line at North American Aviation, men and women work together adjusting the controls of P-51 Mustang fighters for the United States Army Air Forces
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineOn the final assembly line at North American Aviation, men and women work together adjusting the controls of P-51 Mustang fighters for the United States Army Air Forces. 1942-01-01. Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.