Sustainer engine

Short description: Engines that remain on a rocket after rocket booster separation

After the two solid rocket boosters separate, the Space Shuttle's three Main Engines act as sustainers

A sustainer engine is a rocket engine which remains with a spacecraft during its ascent after booster engines have separated from the spacecraft.[1]

## See also

* Multistage rocket

## References

1. ↑ "Rocket Staging". https://www.grc.nasa.gov/WWW/K-12/rocket/rktstage.html.

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