Boom Supersonic’s XB-1 flight demonstrator has repeatedly broken the sound barrier without generating any audible sonic booms on the ground, proving that quiet supersonic flight over land is possible. Now, more than 20 years since the retirement of the Concorde, is supersonic air travel on the verge of a resurgence? ___________________________________________________ Visit http://www.ainonline.com for all the latest on the aviation industry, and *AIN* sister site http://bjtonline.com for the most comprehensive resource available for anyone using—or interested in trying—private flight. Visit https://www.ainonline.com/futureflight for all the news on developing aviation technology. Subscribe to the daily *AIN* Alerts newsletter: https://www.ainonline.com/ain-alerts-... Subscribe to the *FutureFlight* newsletter: https://connect.ainonline.com/futuref... Subscribe to *BJT* Waypoints: https://www.bjtonline.com/subscribe Follow *AIN* on Instagram https://www.instagram.com/ain_online Like *AIN* on Facebook https://www.facebook.com/AINPublications Follow *AIN* on Twitter https://twitter.com/AINonline Follow *AIN* on LinkedIn https://www.linkedin.com/company/avia... Follow *FutureFlight* on Instagram https://www.instagram.com/futurefligh... Like *FutureFlight* on Facebook https://www.facebook.com/FutureFlightAIN Follow *FutureFlight* on Twitter https://twitter.com/FutureFlightAIN Follow *FutureFlight* on LinkedIn https://www.linkedin.com/company/futu... Follow *BJT* on Instagram https://www.instagram.com/bjtonline Like *BJT* on Facebook https://www.facebook.com/business.jet... Follow *BJT* on Twitter https://twitter.com/bjtonline Follow *BJT* on Linkedin https://www.linkedin.com/company/busi... _Aviation International News_ https://www.ainonline.com _Business Jet Traveler_ https://www.bjtonline.com _FutureFlight_ https://www.ainonline.com/futureflight #aviation #technology #science