S-IV

The 'S-IV' was the second stage of the Saturn I, a rocket-powered launch vehicle used by NASA for early flights in the Apollo program.
The S-IV is similar to, but distinct from, the S-IVB stage used on the Saturn IB and Saturn V rockets.

Contents

See also

References

See also

S-IV stage of the Saturn I

References

Apollo Program Summary Report, Part 1 NASA