Public domain
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
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineP-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. 1939. Palmer, Alfred T.. FSA/OWI Color Photographs, Library of Congress. Public domain.