(Daily Mail ) Propelled: The Lynx's main engines run with the help of flight weight rocket piston pump hardware and liquid oxygen.
New Hypersonic Plane Could Fly Between New York and Tokyo in 90 MINUTES
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OCTOBER 24, 2012

XCOR Aerospace claims its Lynx spacecraft can travel at a speed of more than 2,500 mph - and dozens of miles above the earth - before safely landing at an airport. It would be the fastest commercial flight since the days of the Concorde.
Read more: Daily Mail