Production. P-51 "Mustang" fighter planes. An employee checks one of the temporary wooden wheels placed on a P-51 fighter on the North American flight training at the Inglewood, California, plant. Regular rubber tires are installed when the planes are ready for flight tests. 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