It's Far Too Soon to Let Supersonic Flights Rip Across the Country
(jalopnik.com)
While Boom Supersonic boasted about there being no audible sonic boom on the ground during the final test flight of its XB-1 demonstrator in February, its prospective airliner still isn't allowed to break the sound barrier over the United States.
While Boom Supersonic boasted about there being no audible sonic boom on the ground during the final test flight of its XB-1 demonstrator in February, its prospective airliner still isn't allowed to break the sound barrier over the United States.