Reading this reminded me of one interceptor variant that was canceled. Same specs as the A-12, but armed ( https://en.wikipedia.org/wiki/Lockheed_YF-12 https://

Reading this reminded me of one interceptor variant that was canceled. Same specs as the A-12, but armed ( https://en.wikipedia.org/wiki/Lockheed_YF-12 https://en.wikipedia.org/wiki/Lockheed_YF-12 ). The second seat was added to operate the fire control system (radar/weapons). Very cool read though.