L.A to Tokyo in 6 hours!
https://www.yahoo.com/travel/concorde-comeback-two-new-jets-plan-to-take-air-104077884877.html?hp=1
https://www.yahoo.com/travel/concorde-comeback-two-new-jets-plan-to-take-air-104077884877.html?hp=1
The idea behind NASA's Supersonic N+2 program is to develop an airplane whose boom signature is quiet enough to get the prohibition of supersonic flight over CONUS changed. That's been in the works for a while but hasn't been done yet.This has all been done before