Production. P-51 "Mustang" fighter planes. A cellophane cover is applied to North American "Mustang" fighters in the shipping department of Inglewood, California, plant, before they are crated and shipped to the Royal Air Force (RAF). 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