关于这张图
The instrument unit for the Saturn V launch vehicle, AS-506, used to propel the Apollo 11 lunar landing mission, is lowered into place atop the third (S-IVB) stage in the vehicle assembly building at the NASA Kennedy Space Center (KSC). Designed by the NASA Marshall Space Flight Center (MSFC), the instrument unit served as the Saturn’s “nerve center” providing guidance and control, command and sequence of vehicle functions, telemetry, and environmental control. The Apollo 11 mission launched from KSC in Florida via the MSFC developed Saturn V launch vehicle on July 16, 1969 and safely returned…
