Browse Items (27 total)

Photograph of a Douglas YO-31A aircraft (tail number 8) parked near a California National Guard hangar, circa 1930s.

Photograph of a Douglas YO-31A aircraft (tail number 8) parked near a California National Guard hangar, circa 1930s.

Photograph of a California National Guard Douglas O-38 aircraft (fuselage number 4) in flight, circa 1930s. Caption: "38-146."

Photograph of a California National Guard Douglas O-38 aircraft (fuselage number 4) in flight, circa 1930s. Caption: "38-146."

Photograph of a California National Guard Douglas O-38 aircraft (fuselage number 7) in flight, circa 1930s.

Photograph of a California National Guard Douglas O-38 aircraft (fuselage number 4) in flight, circa 1930s.

Photograph of a California National Guard Douglas O-38 aircraft (fuselage number 6) in flight, circa 1930s. The man in the rear cockpit is standing up.

Photograph of a California National Guard Douglas O-38 airccraft (fuselage number 6) in flight, circa 1930s. The man in the rear cockpit is standing up.

Photograph of a California National Guard Douglas O-38 aircraft in flight, circa 1930s.

Photograph of a California National Guard Douglas O-38 aircraft (N.G. serial number 31-373) in flight, circa 1930s.