The eleventh Curtiss XP-40 in flight, circa in 1939. It was used for test purposes by the Materiel Division of the U.S. Army Air Corps.
U.S. Army Air Corps
circa 1939 <div style="display: none;">date QS:P,+1939-00-00T00:00:00Z/9,P1480,Q5727902</div>
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