Production. P-51 "Mustang" fighter planes. A North American Aviation woman employee at Inglewood, California, sits astride a "Mustang" fighter for Royal Air Force (RAF), as she places a bag of chemicals in the plane to prevent the accumulation of moisture. This plant produces the battle-tested B-25 "Billy Mitchell" bomber, used in General Doolittle's raid on Tokyo, and the P-51 fighter plane which was first brought into prominence by the British raid on Dieppe