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On
November 16, 2004, an unmanned Hyper-X (X-43A) aircraft reached approximately
7,000 miles per hour (Mach 9.6) thereby setting a new world speed record for
aircraft. The aircraft developed by NASA was boosted to an altitude of
109,000 feet by a Pegasus rocket launched from beneath a B52-B jet aircraft.
The revolutionary ‘scramjet’ aircraft then burned its engine for around 10
seconds during its flight over the Pacific Ocean.
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