Photograph of a United States Army Air Corps Curtiss P-6A Hawk aircraft (tail number 268) on display at the National Air Races in Cleveland, Ohio, April 7, 1931.Inscription: "U.S. Army. Cleveland. 'Hawk' P-6A."Inscription on verso: "Curtiss Army…
Photograph of several United States Army Air Corps Curtiss P-6 Hawk aircraft on display at the National Air Races in Cleveland, Ohio, April 7, 1931.Inscription: "U.S. Army. Cleveland. Curtiss 'Hawk' P-6."Inscription on verso: "Two Curtiss Army Hawks…
Photograph of United States Army Air Corps aircraft parked at the National Air Races in 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 (Model 227).Inscription: "U.S. Army.…
Photograph of several Boeing P-12D (Model 227) aircraft of the 94th Pursuit Squadron parked at the National Air Races in Cleveland, Ohio, April 7, 1931.Inscription: "U.S. Army. Cleveland. Boeing P-12D 94th."Inscription on verso: "Boeing P-12D's of…
Photograph of a United States Army Air Corps Boeing P-12D (Model 227) aircraft on display at the National Air Races in Cleveland, Ohio, April 7, 1931. Other airplanes are on display in the background.Inscription: "U.S. Army. Cleveland. Boeing P-12D.…
Photograph of several Boeing P-12D (Model 227) aircraft of the 17th Pursuit Squadron parked at the National Air Races in Cleveland, Ohio, April 7, 1931.Inscription: "U.S. Army. Cleveland. Boeing P-12D."Inscription on verso: "U.S. Army Boeings. 17th…
Photograph of United States Army Air Corps aircraft parked at the National Air Races in Cleveland, Ohio, April 7, 1931. The group includes Boeing P-12B (Model 102B), Boeing P-12C (Model 222), and Boeing P-12D (Model 227) aircraft.Inscription: "U.S.…
Photograph of several United States Army Air Corps Boeing P-12C (Model 222) aircraft parked at the National Air Races in Cleveland, Ohio, April 7, 1931.Inscription: "U.S. Army. Boeing P-12Cs. LM."Inscription on verso: "Army Boeing P-12-Cs. Cleveland…
Photograph of a United States Army Air Corps Fokker Y1C-14 (C-14) aircraft parked at the National Air Races in Cleveland, Ohio, April 7, 1931.Inscription: "U.S. Army. Cleveland. Fokker Y1C-14. 17th. LM."Inscription on verso: Fokker F-14A of Army.…
Photograph of a C-4A Tri-Motor aircraft (fuselage number 3) of the 1st Pursuit Group, United States Army Air Corps, on display at the National Air Races in Cleveland, Ohio, April 7, 1931. Several people are gathered near the plane's nose.Inscription:…