Saturn IB
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The Saturn IB was an American launch vehicle commissioned by the National Aeronautics and Space Administration for the Apollo program. It uprated the Saturn I by replacing the S-IV second stage, with
Three launch configurations of the Apollo Saturn IB rocket: no spacecraft (AS-203), command and service module (AS-202), and Lunar Module (Apollo 5)
Diagram of the S-IB first stage of the Saturn IB rocket
Diagram of the S-IVB second stage of the Saturn IB
The instrument unit, which controlled the Saturn IB and Saturn V
S-IVB
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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
Saturn IB
…Apollo program. It uprated the Saturn I by replacing the S-IV second stage (90,000 pounds-force [400 kN], 43,380,000 lb-sec total impulse), with the S-IVB (200,000 pounds-force [890 kN], 96,000,000 lb-sec total impulse). The S-IB first stage also increased the S-I baseline's thrust from 1,500,000 to…
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