Photograph of a French SPAD S.XVI aircraft in flight above trenches in the Compiègne area of France, circa 1917-1919.Inscription: "Biplace [Biplane] SPAD flying over Compiegn [Compiègne] sector."
Photograph of a serviceman seated in the cockpit of U.S. Army Air Service Curtiss O-1 Falcon aircraft (tail number A.C. 25-325), February 6, 1926.Inscription: "Curtiss Falcon Model O-1 (Special). 2-6-27. T-3184."
Photograph of a serviceman seated in the cockpit of a U.S. Army Air Service Curtiss O-1 Falcon aircraft, February 10, 1926.Inscription: "Curtiss Falcon Model O-1. 2/10/26. T-3004."