[Douglas C-1 aircraft parked at unidentified airfield]

Photograph of Douglas C-1 aircraft parked at an unidentified airfield, May 1927.

Inscription on album page: "Douglas Transports. 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.