Boeing X-20 Dyna-Soar
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The Boeing X-20 Dyna-Soar was a United States Air Force program to develop a spaceplane that could be used for a variety of military missions, including aerial reconnaissance, bombing, space rescue, s
Artist's impression of the X-20 during re-entry
Artist's conception of an X-20 Dyna-Soar after separation from booster (1961).
Artist's impression of the X-20 on landing approach at Edwards Air Force Base
An artist's impression of Dyna-Soar being launched using a Titan booster, with large fins added to the Titan's first stage
Boeing X-37
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The Boeing X-37, also known as the Orbital Test Vehicle, is a reusable robotic spacecraft. It is boosted into space by a launch vehicle, re-enters Earth's atmosphere, and lands as a spaceplane. The X-
X-37B with a service module being encapsulated inside a payload fairing ahead of the sixth mission
An artist's rendering of the X-37 spacecraft in 1999
The Scaled Composites White Knight was used to launch the X-37A on glide tests (2007).
X-37B 2 sits on the Shuttle Landing Facility after the OTV-4 mission, with ground crew wearing protective suits.