The Lockheed XLR20-1 prototype led to the C-35 (pressurised), and the C-36 / 10A.
The XC-3 was a high altitude research aircraft built with a pressurised cabin.
Lockheed XLR20-1 / XC-35 / C-36 / XC-3
The Lockheed XLR20-1 prototype led to the C-35 (pressurised), and the C-36 / 10A.
The XC-3 was a high altitude research aircraft built with a pressurised cabin.
All Aero 