Boeing Milestones of Flight Hall: North American X-15

Eric Long / Smithsonian’s National Air and Space Museum
June 28, 2016
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Aircraft on display in Milestones Hall
Eric Long / Smithsonian’s National Air and Space Museum

North American X-15 

North American X-15 on display in the “Boeing Milestones of Flight Hall” at the Museum in Washington, DC. The X-15 was the first winged aircraft to attain hypersonic velocities of Mach 4, 5 and 6 (four to six times the speed of sound) and to operate at altitudes well above 30,500 meters (100,000 feet).

Photo by Eric Long / Smithsonian’s National Air and Space Museum