P-51 ("Mustang") fighter planes being prepared for test flight at the field of North American Aviation, Inc., plant in Inglewood, Calif.

P-51 ("Mustang") fighter planes being prepared for test flight at the field of North American Aviation, Inc., plant in Inglewood, Calif.

P-51 "Mustang" fighter in flight, Inglewood, Calif. The "Mustang", built by North American Aviation, Incorporated, is the only American-built fighter used by the Royal Air Force of Great Britain

P-51 "Mustang" fighter in flight, Inglewood, Calif. The "Mustang", built by North American Aviation, Incorporated, is the only American-built fighter used by the Royal Air Force of Great Britain

A young woman employee of North American Aviation, Incorporated, working over the landing gear mechanism of a P-51 fighter plane, Inglewood, Calif. The mechanism resembles a small cannon

A young woman employee of North American Aviation, Incorporated, working over the landing gear mechanism of a P-51 fighter plane, Inglewood, Calif. The mechanism resembles a small cannon

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