Overall walk-around of one of the stage's Auxiliary Propulsion
System (APS) units.
Picture 2 of 6.
This is the only Saturn V S-IVB stage displayed with its APS modules. The S-IVB stage at the Kennedy Space Center is displayed without
any APS units, allowing a view of the mounting brackets and associated
plubming. The S-IVB stage
at the U.S. Space and Rocket Center is
displayed with Saturn
IB-type APS units (or mockups thereof).
The S-IVB mockup on the Ardmore
Welcome Center Saturn IB is displayed without APS units. The KSC Saturn IB is displayed with
proper Saturn IB-type APS