Vultee Aircraft Company's plant, showing a production line of U.S. Army Air Corps Valiant Basic Trainers (BT-13's), ca.1940-1945

Photograph of the Vultee Aircraft Company's plant, showing a production line of U.S. Army Air Corps Valiant Basic Trainers (BT-13's), ca.1940-1945. A row of planes being put together stands at center, with each plane facing left. Several men work on each piece, while others stand and watch. Part of a cockpit can be seen at left of center, in the foreground, while other planes can be seen in another area of the plant, at right.