Artist's impression of the new supersonic commercial passenger aircraft which will fly at speeds of 2,500 mph
The Race To Build A Successor To Concorde: Boeing, Gulfstream and Nasa Join Forces To Create A Supersonic Jet Capable Of Flying From London To Sydney In FOUR HOURS -- Daily Mail
Aircraft enthusiasts are waiting with growing anticipation for the unveiling of plans for a supersonic jet that may be able to fly London to Sydney in just four hours.
U.S. builders - helped by the Nasa space agency - will reveal the prototype successors to Concorde at the Farnborough air show next month.
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My Comment: Being cooped up in an airplane for more than 4 hours has always been a pet peeve for me. Cutting that down to a quarter of the time will get no objections from me. But .... I suspect that the ticket prices will be expensive.