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 three Douglas O-2H aircraft of the Ohio National Guard parked at the National Air Races in Dayton, Ohio, circa 1930. Inscription: "U.S. Army. Dayton. Douglass [Douglas] O-2H. LM."Inscription on verso: "3 Observation ships of O.N.G.…
Photograph of a United States Army Air Corps Douglas O-2H aircraft parked at an airfield, likely at the National Air Races in Ohio, circa 1930s. Inscription: "U.S. Army. Douglas O-2-H. LM."Item from page 26 of the LeRoy Milliren National Air Races…
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 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 a United States Army Air Corps Douglas O-25A aircraft parked at an airfield, likely at the National Air Races in Ohio, circa 1930s. Inscription: "U.S. Army. Douglas O25A."Item from page 26 of the LeRoy Milliren National Air Races…
Photograph of a United States Army Air Corps Curtiss O-1 Falcon aircraft (fuselage number 7) parked at an airfield, likely at the National Air Races in Ohio, circa 1930s. "Kansas City" is written on the nose.Inscription: "U.S. Army. Curtiss O-1."Item…
Photograph of a United States Army Air Corps Curtiss O-1E Falcon aircraft (tail number 2) parked by a hangar, likely at the National Air Races in Ohio, circa 1930s. Inscription: "U.S. Army. Curtiss O-1E."Inscription on verso: "Curtiss Falcon O-1E.…
Photograph of a United States Army Air Corps Curtiss O-1G Falcon aircraft (nose number 10) parked at an airfield, likely at the National Air Races in Ohio, circa 1930s. Inscription: "U.S. Army. Curtiss O-1G."Item from page 27 of the LeRoy Milliren…
Photograph of a United States Army Air Corps Curtiss O-39 Falcon aircraft (nose number 57) parked at an airfield, likely at the National Air Races in Ohio, circa 1930s. Inscription: "U.S. Army. Curtiss O-39."Inscription on verso: "Curtiss O-30…