Sub-orbital spaceflight
A sub-orbital spaceflight (or sub-orbital flight) is a spaceflight that does not involve putting a vehicle into orbit. Manned and unmanned sub-orbital flights have been undertaken to test spacecraft and launch vehicles intended for later orbital flight, but some vehicles have been designed exclusively to reach space sub-orbitally: manned vehicles such as the X-15 and SpaceShipOne, and unmanned ones such as ICBMs and sounding rockets.
History of manned sub-orbital spaceflight
- U.S. — X-15, 1963, Joseph A. Walker — two flights above 100km altitude
- U.S. — Mercury-Redstone 3 & Mercury-Redstone 4, 1961, Alan Shepard & Virgil Grissom
- U.S.S.R. — Soyuz 18a, 1975, Vasili Lazarev & Oleg Makarov — launch emergency caused suborbital flight
- U.S. (private) — SpaceShipOne, 2004, Mike Melvill & Brian Binnie — Ansari X-Prize winner
~ Table of Content ~
| ► | Introduction |
| ► | Overview |
| ► | Flight profiles |
| ► | History of manned sub-orbital spaceflight |
| ► | Future of manned sub-orbital spaceflight |
| ► | See also |
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