Keywords: Saturn IB characteristics.jpg Saturn IB configuration The Saturn IB and Saturn V carried a 21 7 foot diameter Instrument Unit manufactured by IBM http //mix msfc nasa gov/IMAGES/HIGH/0100801 jpg NASA Marshall Space Flight Center PD-USGov original upload log page en wikipedia Saturn_IB_0100801 jpg 2007-06-17 23 09 EdgarDurbin 3000×2313×8 3817451 bytes <nowiki>Saturn IB configuration The Saturn IB and Saturn V carried a 21 7 foot diameter Instrument Unit manufactured by IBM http //mix msfc nasa gov/IMAGES/HIGH/0100801 jpg </nowiki> Apollo missions Saturn IB Cutaway diagrams of spacecraft |