Three-stage-to-orbit
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The three-stage-to-orbit launch system is a commonly used rocket system to attain Earth orbit. The spacecraft uses three distinct stages to provide propulsion consecutively in order to achieve orbital velocity.
[edit] Examples of three stage to orbit systems
- US Space Shuttle — SRB first stage ; External Tank + SSME second stage ; OMS on internal tanks third stage ;
- Delta III rocket
- Delta II
- Saturn I
- Saturn V (Though during the Skylab launch it operated as a two stage vehicle.)
- Soyuz launch vehicle
- Energia
- Ariane 5 — strap-on boosters + main stage + top stage
- Ariane 4
- Ariane 2
- Ariane 1
- Long March 5 rocket family
- Long March 2E, Long March 2F
- Long March 1, Long March 1D
This list is incomplete; you can help by expanding it.
[edit] See also
- SSTO - Single-stage-to-orbit
- TSTO - Two-stage-to-orbit