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Armstrong Flight Research Center
The Armstrong Flight Research Center, located inside Edwards Air Force Base, is an aeronautical research center operated by NASA. It was originally named in honor of Hugh L. Dryden, a prominent aeronautical engineer who at the time of his death in 1965 was NASA's deputy administrator, and it is still variously known as Dryden or the Dryden Flight Research Center (DFRC) while the details of the name change are decided (the name change to AFRC went into effect on March 1, 2014). First known as the National Advisory Committee for Aeronautics Muroc Flight Test Unit, the DFRC has also been known as the High-Speed Flight Research Station (1949) and the High-Speed Flight Station (1954). The facility was renamed, effective March 1, 2014, the Armstrong Flight Research Center in honor of Neil Armstrong, the first human being to walk on the surface of the moon.〔(【引用サイトリンク】url=http://www.nasa.gov/content/nasa-center-renamed-for-neil-armstrong/ )〕 Similarly the Western Aeronautical Test Range at the facility was renamed the NASA Hugh L. Dryden Aeronautical Test Range.〔(An Act to Redesignate the Dryden Flight Research Center as the Neil A. Armstrong Flight Research Center and the Western Aeronautical Test Range as the Hugh L. Dryden Aeronautical Test Range )〕
The facility is NASA's premier site for aeronautical research and operates some of the most advanced aircraft in the world. It was also the home of the Shuttle Carrier Aircraft (SCA), a modified Boeing 747 designed to carry a Space Shuttle orbiter back to Kennedy Space Center if one landed at Edwards. David McBride is currently the center's director. He succeeded Kevin Petersen, who retired in April 2008.
Until 2004, Armstrong Flight Research Center operated the oldest B-52 Stratofortress bomber, a B-52B model (tail number 008) which had been converted to drop test aircraft, dubbed 'Balls 8.' It dropped a large number of supersonic test vehicles, ranging from the X-15 to its last research program, the hypersonic X-43A, powered by a Pegasus rocket. The aircraft was retired and is currently on display near the North Gate of Edwards.〔Google Earth imagery date 26 August 2012, 〕
==Douglas Skyrocket==
(詳細はAir Force's Bell X-1, the D-558-II could operate under rocket or jet power. It conducted extensive tests into aircraft stability in the transsonic range, optimal supersonic wing configurations, rocket plume effects, and high-speed flight dynamics. On November 20, 1953, the Douglas Skyrocket became the first aircraft to fly at over twice the speed of sound when it attained a speed of Mach 2.005. Like the X-1, the D-558-II could be air-launched using a B-29 Superfortress. Unlike the X-1, the Skyrocket could also takeoff from a runway with the help of JATO units.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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