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:…
Photograph of three United States Army Air Corps Douglas O-38 aircraft in flight at the National Air Races in Cleveland, Ohio, April 14, 1931. Inscription: "U.S. Army. Douglas O38's. LM."Inscription on verso: "Douglas observation planes. Cleveland,…
Photograph of several United States Army Air Corps Douglas O-2H aircraft parked at the National Air Races in Cleveland, Ohio, May 21, 1931. Inscription: "U.S. Army. Douglass [Douglas] O-2H. LM."Inscription on verso: "Army Douglas's. Cleveland, Ohio.…
Photograph of several United States Army Air Corps aircraft, including Curtiss XO-16 Falcons (left) and Douglas O-2Hs (right), parked at the National Air Races in Cleveland, Ohio, May 21, 1931. Inscription: "U.S. Army. Curtiss 'Falcons.' Douglas…
Photograph of several United States Army Air Corps aircraft, including Curtiss XO-16 Falcons and Douglas O-2Hs, parked at the National Air Races in Cleveland, Ohio, May 21, 1931. Inscription: "U.S. Army. Curtiss 'Falcons.' Douglass's…
Photograph of a United States Army Air Corps Douglas O-2H aircraft at the National Air Races in Cleveland, Ohio, June 13, 1931. A pilot sits in the cockpit.Inscription: "U.S. Army. Douglas O-2H."Inscription on verso: "Douglas Observation Plane. U.S.…
Photograph of a United States Navy Curtiss F8C-5 (O2C-1) Helldiver aircraft parked at Cleveland Airport during the National Air Races in Cleveland, Ohio, June 13, 1931.Inscription: "U.S. Navy. Curtiss 'Helldiver' O2C-1."Inscription on verso: "Curtiss…