Identifier2014-00-00-29_image_040SourceThe LeRoy Milliren National Air Races Photograph Album (2014-00-00-29)DescriptionPhotograph of U.S. Army Air Corps aircraft at the National Air Races, Cleveland, Ohio, April 7, 1931. The planes on the left are Curtiss P-6 Hawks, and the planes on the right are Boeing P-12Ds.
Inscription: "U.S. Army. Cleveland. 'Hawks.' P-12D. LM."
Inscription on verso: "Curtiss Hawk's (left). Boeing P-21D's (right). Cleveland Apr. 7, 1931."
[Curtiss P-6 Hawks and Boeing P-12Ds], [2014-00-00-29_image_040]. Museum of Flight Digital Collections, accessed 09/02/2026, https://digitalcollections.museumofflight.org/nodes/view/15961
![[Curtiss P-6 Hawks and Boeing P-12Ds]](/img/placeholder.gif?1762303493 "[Curtiss P-6 Hawks and Boeing P-12Ds]")