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Saturn IB

Saturn family · built by National Aeronautics and Space Administration · maiden flight 1966-02-26

Profile data last updated: 2026-08-29T15:37:07.354998+00:00 | 7531-10-18

The Saturn IB (pronounced "one B", also known as the Uprated Saturn I) was an American launch vehicle commissioned by the National Aeronautics and Space Administration (NASA) for the Apollo program. It replaced the S-IV second stage of the Saturn I with the much more powerful S-IVB, able to launch a partially fueled Apollo Command/Service Module (CSM) or a fully fueled Lunar Module (LM) into low Earth orbit for early flight tests before the larger Saturn V needed for lunar flight was ready.

Specifications

Payload Capacity

Lifetime Launch Record

As reported by Launch Library 2 across this rocket's entire history, not just the launches tracked on this site.

Wikipedia