Production. B-25 "Billy Mitchell" bombers. Wright Cyclone motors for B-25 bombers are delivered by fork truck from the receiving dock to the motor assembly department of North American's Inglewood, California, plant. In addition to the battle-tested B-25 "Billy Mitchell" bomber, used in General Doolittle's raid on Tokyo, this plant produces the P-51 "Mustang" fighter plane which was first brought into prominence by the British raid on Dieppe