This is the North American Aviation Valkyrie gigantic supersonic strategic nuclear bomber, that never entered service. There were only two prototypes built of the Valkyrie, before the project was cancelled. The supersonic bomber powered by six
The Tupolev is a supersonic, variable-sweep wing heavy strategic bomber designed in the Soviet Union. is currently the world's largest combat aircraft, largest supersonic aircraft, and largest variable-sweep aircraft built.
NASA - Supersonic Aircraft Model- I would love this. The window in the sidewall of the by supersonic wind tunnel at NASA's Glenn Research Center shows a percent scale model of a future concept supersonic aircraft built by The Boeing Company.
Beautiful ,magnificent-never to be seen again :( - Bing Images / This looks like the Concorde jet that can break the sound barrier. (No longer in flight.) Maybe some airline will bring this type of service back!