insert_link Science & Technology Boom supersonic jet breaks sound barrier in historic test flight Boom Supersonic's XB-1 made its first supersonic flight on 28 January 2025, in Mojave, California. A test flight by Boom Supersonic’s XB-1 demonstrator jet has broken the sound barrier, marking the first time a passenger aircraft has done so since the retirement of Concorde. The flight took place in Mojave, California, where the aircraft reached a speed of Mach 1.122, or approximately 1,207 kilometers per hour, at an […] today29 January, 2025
