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The scramjet flight test vehicle was designated X-51 on 27 September 2005. [5] X-51A under the wing of a B-52 at Edwards Air Force Base, July 2009. In flight demonstrations, the X-51 is carried by a B-52 to an altitude of about 50,000 feet (15 km; 9.5 mi) and then released over the Pacific Ocean. [6] The X-51 is initially propelled by an MGM ...
The Boeing X-51 is a scramjet demonstration aircraft for hypersonic (Mach 7, around 8,050 km/h) flight testing. The X-51 WaveRider program is a consortium of the US Air Force, DARPA, NASA, Boeing and Pratt & Whitney Rocketdyne. The program is managed by the Propulsion Directorate within the United States Air Force Research Laboratory (AFRL). [4]
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A car plowed into a crowd at a Christmas market in eastern Germany on Friday, leaving five people dead and more than 200 injured, dozens of them critically.A 9-year-old boy was among those killed ...
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X51 or X-51 may refer to: Boeing X-51, a scramjet-waverider from the Air Force Research Laboratory; X-51 , a fictional organization in the video game Deus Ex; X-51 (Machine Man), a fictional character in the Marvel Comics Universe; X51 (New York City bus), express bus route in New York City; Axim X51, PDA made by Dell
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