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Loading contentAlso known as SRB
The pair of reusable solid rocket boosters that provided most of the Space Shuttle's liftoff thrust before being recovered from the ocean by parachute.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.