The TSR-2 was abandoned due to cost overruns. The F-111 would have been cheaper...but even that was abandoned and eventually the Tornado came along...not a US aircraft.
The flow of military inventions flowed both ways during WW2. https://en.wikipedia.org/wiki/Allied_technological_cooperati... Maybe if you hadn't had a coward as a leader in Chamberlain we wouldn't have had to bail you guys out (and lose ~250,000 Americans in Europe.)