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Saturn IB

Saturn familyNational Aeronautics and Space AdministrationRetired

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.

Saturn IB vehicle

Specifications

Thrust
7,100 kN
Height
43.2 m
Diameter
6.61 m
Launch mass
590 t
Stages
2
LEO capacity
21,000 kg

Specifications from Launch Library. Figures the operator has not published are omitted.

Flight record

10flightswith a definitive outcome
90%success rate9 of 10
6success streakcurrent

Counted from padside's own launch record, the same basis as the stats page.

Flights

5 of 10

All 10 flights