Quote:
Originally Posted by Herr-Berbunch
Err, T-45 Goshawk - British, C-27 - Italian, C-41 - Spain, T-6 Texan designed on the Pilatus PC9 - Switzerland, TG-10 (glider for training) - Czech Republic, DA-40 - Austrian, Twin Otter - Canada.
Admittedly none of those feature highly when you think of US military aircraft, but nonetheless. 
Edit: I admit that even with my almost encyclopaedic knowledge I had to turn to wiki for some. |
There's also the English Electric/Martin B-57 Canberra, as well as about twelve billion different French, British and other aircraft designs in and after World War I...