Commercial flop because the US banned it for "reasons" There was ban that was quickly overturned. The ban was not for "reasons," the issue was noise pollution

Commercial flop because the US banned it for "reasons" There was ban that was quickly overturned. The ban was not for "reasons," the issue was noise pollution and it is a legitimate issue. A lot of working is going into NASA's X-59 project[0] to make overland commercial SST more practical. [0] https://www.nasa.gov/specials/Quesst/ https://www.nasa.gov/specials/Quesst/