Curtiss XNBS-4

The Curtiss Model 36 XNBS-4 was a 1920s prototype biplane night bomber aircraft built by the Curtiss Aeroplane and Motor Company for the United States Army Air Corps.

Curtiss XNBS-4

The Curtiss Model 36 XNBS-4 was a 1920s prototype biplane night bomber aircraft built by the Curtiss Aeroplane and Motor Company for the United States Army Air Corps.