...i thought this might interest aviation fans; what is in essence the F-16.
https://www.youtube.com/watch?v=9PMnlnqRex4
...the Avro Arrow, with its demise, in effect led to America's dominance over the industry (worldwide) as a whole. Sad to say American know how did not choose to compete 'fairly', by designing a better aircraft; so the story goes...
...and given the state of politics today, what with the Hauwei issue, it is not hard to believe that American primacy is simply being outpaced by the same ambitions elsewhere, again.
...being on top, as Boeing is, is not easy; that much can be said.