Production. Airplane manufacture, general. Sheet aluminum stock in the Inglewood, California, receiving stores department of North American Aviation, Incorporated, is placed on an overhead conveyor platform to be delivered to the material preparation department. These sheets will be fabricated into parts for the United Nations war planes. This plant produces the battle-tested B-25 ("Billy Mitchell") bomber, used in General Doolittle's raid on Tokyo and the P-51 ("Mustang") fighter plane, which was first brought into prominence by the British raid on Dieppe