Photograph of a U.S. Army Air Corps Curtiss XP-10 aircraft, May 3, 1930. A man on the left is looking at the aircraft.Caption: "Curtiss Hawk XP-10 / 5-3-30 / [illegible]."
Photograph of a U.S. Army Air Corps Sikorsky S-38 Amphibion aircraft (serial number A.C. 29-406), circa 1920s-1930s.Caption: "Sikorsky C-6 / Amphibian Transport."
Photograph of a U.S. Army Air Corps Loening OA-1A aircraft in a hangar, circa 1920s. The insignia for the "U.S. Army Pan-American Flight" is painted on the fuselage. The names of the crew (Captain Ira C. Eaker and Lieutenant Muir S. Fairchild) are…
Photograph of a U.S. Army Air Corps Loening OA-2 aircraft (serial number A.C. 25-275), circa 1920s.Caption: "Keystone - Loening / OA2 Observation Amphibian."
Two photographs featuring U.S. Army Air Corps Douglas Y1B-7 aircraft (tail numbers 170 and 174), circa 1932. Both aircraft have the 88th Aero Squadron's "bucking bronco" emblem painted on their fuselage.
Photograph of a U.S. Army Air Corps Douglas O-46A aircraft (serial number 35-183), circa 1930s-1940s. The "knight and devil" emblem of the 91st Observation Squadron is painted on the fuselage.
Photograph of five U.S. Army Air Corps Douglas O-38 aircraft in flight over mountainous terrain, February 6, 1931. Inscription: "(O42A-92P-115) (2-6-31) (12-4100)."
Photograph of Lieutenant Wallen piloting a U.S. Army Air Corps Douglas O-38 aircraft, circa 1930s. The "dagger and ace of spades" emblem of the 116th Observation Squadron is painted on the fuselage.Caption: "116 Obs Sqdn / H.D. 10 (7-10-35 pm) / Lt.…