The Saturn IB[a] (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.

In 1966, the Saturn IB, an improved version of the Saturn I, was brought into service to meet increasing demands of the Apollo program. Conceived and developed as the Saturn C-IB, the “C” was removed …

Developed by McDonnell Douglas, the S-IVB served as second stage for S-IB rockets, and later as third stage for Saturn V rockets. Fueled with liquid hydrogen and liquid oxygen, the S-IVB was powered by …

First flown in 1966, the Saturn IB was designed to carry astronauts, spacecraft modules, and equipment into low Earth orbit, paving the way for lunar exploration.

The Saturn IB (Pronounced: Sah-tern one-bee) (also known as Upgraded Saturn I) was an American crewed orbital launch vehicle used during the Apollo program. It was made of an uprated Saturn I …

The program should be transferred from Saturn I to Saturn IB launch vehicles; the Saturn I program should end with flight SA-10. All Saturn IB flights, beginning with SA-201, should carry operational …

On the 15th John Twigg, chief test conductor for the Saturn IB, reported that pad operations were virtually at a standstill. Representatives from Huntsville helped devise a temporary computer …