JOhnH
Touchdown! Greaser!
Still in concept. Boeing and LockMart will be duking it out.
https://www.express.co.uk/news/uk/9...ckbird-spy-plane-Lockheed-Martin-Mach-5-SR-71
https://www.express.co.uk/news/uk/9...ckbird-spy-plane-Lockheed-Martin-Mach-5-SR-71