Space / 1968-01-01
Saturn Apollo Program
NASA's image library records Saturn Apollo Program.
This illustration shows the major components of the instrument unit (IU). Developed and manufactured by International Business Machines, the IU is 3 feet high and 21 feet in diameter and mounted atop an S-IVB, between the third stage and the Apollo spacecraft. It contained the computers, all guidance, control, and sequencing equipment to keep the t
A CLOSER LOOK
This illustration shows the major components of the instrument unit (IU). Developed and manufactured by International Business Machines, the IU is 3 feet high and 21 feet in diameter and mounted atop an S-IVB, between the third stage and the Apollo spacecraft. It contained the computers, all guidance, control, and sequencing equipment to keep the the launch vehicle properly functioning and on its course. The IU was essentially the same in both the Saturn IB and the Saturn V.
Explore NASA's original image record for credits and available downloads.
FOLLOW THE EVIDENCE
NASA Image and Video LibrarySaturn Apollo ProgramOriginal explanation based on the sources above. Images carry their own reuse terms.