The S-IVB was the third stage on the Saturn V and second stage on the Saturn IB launch vehicles. Built by the Douglas Aircraft Company, it had one J-2 rocket engine. For lunar missions it was fired tw
S-IVB-206 which was used for the Skylab 2 flight
Cutaway drawing of the Saturn V S-IVB
Apollo 7 S-IVB in orbit over Cape Canaveral
Distant view of Apollo 7 S-IVB stage
The Saturn V is a retired American super heavy-lift launch vehicle developed by NASA under the Apollo program for human exploration of the Moon. The rocket was human-rated, had three stages, and was l
S-IVB
…The S-IVB (pronounced "S-four-B") was the third stage on the Saturn V and second stage on the Saturn IB launch vehicles. Built by the Douglas Aircraft Company, it had one J-2 rocket engine. For lunar missions it was fired…
The launch of the Apollo 11 mission on Saturn V SA-506, July 16, 1969
Saturn V Dynamic Test Vehicle and flight vehicle configurations
Von Braun with the F-1 engines of the Saturn V first stage at the U.S. Space and Rocket Center
In Configuration One, SA-500D was fully assembled inside the dynamic test facility.