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Boeing X-20 Dyna-Soar

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The Boeing X-20 Dyna-Soar ("Dynamic Soarer") was a United States Air Force (USAF) program to develop a spaceplane that could be used for a variety of military missions, including reconnaissance, bombing, space rescue, satellite maintenance, and sabotage of enemy satellites. The program ran from 24 October 1957 to 10 December 1963, cost US$660 million ($ today), and was cancelled just after spacecraft construction had begun.

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5165.0

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100000.0

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10.77 m

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635.0

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Canceled just after spacecraft construction had begun

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323 kN

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2.59 m

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--01-01

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United States

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X-20 Dyna-Soar

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33

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40700.0

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Artist's impression of the X-20 during re-entry

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multi-orbit, crew of 1

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10

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1076.96

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345.0

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259.08

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--10-24

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6.34 m

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earth orbit 22,000 nautical miles,

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17500.0

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510.0

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530000.0

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10395.0

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rocket engine

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--03-01

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32.0

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Not built

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28165.0

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jet

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161

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4715.0

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72000

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1

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plane

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160.0

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11387.0

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one pilot

n53:abstract

The Boeing X-20 Dyna-Soar ("Dynamic Soarer") was a United States Air Force (USAF) program to develop a spaceplane that could be used for a variety of military missions, including reconnaissance, bombing, space rescue, satellite maintenance, and sabotage of enemy satellites. The program ran from 24 October 1957 to 10 December 1963, cost US$660 million ($ today), and was cancelled just after spacecraft construction had begun. Other spacecraft under development at the time, such as Mercury or Vostok, were based on space capsules that returned on ballistic re-entry profiles. Dyna-Soar was more like the much later Space Shuttle. It could not only travel to distant targets at the speed of an intercontinental ballistic missile, it was designed to glide to earth like an aircraft under control of a pilot. It could land at an airfield, rather than simply falling to earth and landing with a parachute. Dyna-Soar could also reach earth orbit, like Mercury or Gemini. These characteristics made Dyna-Soar a far more advanced concept than other human spaceflight missions of the period. Research into a spaceplane was realized much later, in other reusable spacecraft such as the Space Shuttle, which had its first orbital flight in 1981, and, more recently, the Boeing X-40 and X-37B spacecraft.