In case you'd forget, both British-French cooperation and the Soviet Union managed to achieve something slightly different and twice faster a long time ago already.
https://en.wikipedia.org/wiki/Tupolev_Tu-144
https://en.wikipedia.org/wiki/Concorde
These were developed in the 60s and turned fully operational in the mid 70s.
Concorde was so great that the US merely banned it from their airspace.
LOL, God bless 'murika, baby!..
and no one else, huh.
Oops, anyone grumpy at me right now?