NASA technician Michael E. Ramsey inspects a high speed civil transport model between wind tunnel tests at NASA's Langley Research Center, Hampton, Virginia. Aerodynamic tests of the 19-foot (5.7 meters) model in the 14x22 foot subsonic tunnel simulate takeoff and landing of a 300 passenger supersonic commercial transport that would cruise at Mach 2.4 (approximately 1,600 mph/2,560kph). Designated Reference H, the concept was designed by Boeing and presently serves as a common configuration for government-industry technology studies.
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