Production. B-25 "Billy Mitchell" bombers. Another B-25 bomber takes on its war paint at North American's Inglewood, California, plant. After the Air Force insignia has been applied by the air brush, the paper template is removed. 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