Saturn IB

Short answer
Saturn IB was stronger than Saturn I. NASA used it to test Apollo in Earth orbit. Later it carried astronauts to Skylab and Apollo-Soyuz.
- Status
- retired
- Manufacturer
- National Aeronautics and Space Administration
- Height
- 43.00 m
- Diameter
- 7.00 m
- Mass
- 589770 kg
- Payload to LEO
- 21000 kg
- Stages
- 2