Boom Supersonic sans Sonic boom

Boom Supersonic’s XB-1 has broken the sound barrier, paving the way for faster commercial flights if future tests succeed.
According to the US company, the most recent and final test flight of XB-1 on February 10 also achieved supersonic speeds ...
Boom officials explained that the “world’s first independently developed supersonic jet” will break the sound barrier in the Bell X-1 Supersonic ... Flight experts say in ideal conditions, a ...
The XB-1 aircraft accelerated to Mach 1.05 within about 11 minutes of taking off, according to Boom Supersonic and live video of the test flight.