Production. Airplane manufacture, general. Large plane parts are formed on a special hydraulic press in the Inglewood, California, plant of North American Aviation. Two women employees keep it in constant operation during their shift. 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