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Spaceplane
Fédération Aéronautique Internationale
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Scaled Composites White Knight
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SABRE (rocket engine)
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Kliper
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List of active United States military aircraft
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Orbital Sciences X-34
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Mother ship
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1967 in aviation
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Lockheed Martin X-33
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Skylon (spacecraft)
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VentureStar
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Joe Engle
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Footfall
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Aleksey Tupolev
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Boeing X-20 Dyna-Soar
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Silbervogel
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Orbiter (simulator)
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Burt Rutan
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SpaceShipOne
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Rotary Rocket
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Landing gear
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List of X-planes
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Langley Research Center
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Reusable launch vehicle
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Ansari X Prize
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Cape Canaveral Space Force Station
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Huntsville International Airport
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Hermes (spacecraft)
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Ellington Airport (Texas)
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North American X-15
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Human spaceflight programs
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Gherman Titov
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Uncrewed spacecraft
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Outer space
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Proton (rocket family)
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Lifting body
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Flight
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Vandenberg Space Force Base
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And When the Sky Was Opened
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Richard Branson
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Polar Satellite Launch Vehicle
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Pan Am
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Spaceflight
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Space tourism
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Tripropellant rocket
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Hypersonic speed
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Tom Clancy's Rainbow Six (video game)
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Aérospatiale
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Fixed-wing aircraft
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Space plane
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