Defiant single-seat fighter mock-up
Defiant Single-Seat Fighter Projected conversion with turret space faired over and armament of two 0.303 machine guns in each wing. Mock-up up built by converting first prototype, but no production.
Curtiss XO-911 Corps Observation Mock up Front Cockpit Cabin 11-18-30. [Close-up view, looking into cockpit area from right rear side. Unidentified man sitting in cockpit. It is unclear if this aircraft was ever produced.]
Curtiss XO-911 Corps Observation Mock up Rear Gun 11-18-30. [Close-up partial left side view. Unidentified man holding gun. It is unclear if this aircraft was ever produced.