"I think everyone is excited to see a new supersonic jetliner," he said, noting the Mach-speed goal is achievable given the Concorde and the US' ultra-speedy military jets. "But Boom wants to ...

the only commercial faster-than-sound jetliner, ended flights 21 years ago. “Let’s make America boom again,” Scholl said. Boom Supersonic marks key milestone in engine-development plan ...