[Serviceman seated in Douglas C-1 aircraft]

Photograph of a U.S. Army Air Corps serviceman seated in a Douglas C-1 aircraft, May 1927.

Inscription on album page: "Cabin of Douglas Transport. Aerial maneuvers, May 1927. "

Part of a photograph album related to Julius A. Barr's flight training with the U.S. Army Air Corps at Brooks Field and Kelly Field, Texas, circa 1926-1927.