Production. Airplane manufacture, general. An employee with years of experience at Inglewood, California, plant of North American Aviation, Incorporated, explains the assembly of a horizontal stabilizer to a new woman employee. 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