Production. A-31 ("Vengeance") dive bombers. Storage of oil-tank jacket. This woman worker is shown storing oil-tank jackets made in a sub-assembly at Nashville where Vultee manufactures "Vengeance" dive bombers. The "Vengeance" (A-31) was originally designed for the French. It was later adopted by the RAF (Royal Air Force) and still later by the U.S. Army Air Forces. It is a single-engine, low-wing plane, carrying a crew of two men and having six machine guns of varying calibers