View inside the SLA, facing the Service Module. Note the Service Propulsion
System (SPS) engine, at center; the nozzle extension is
not bolted on.
Note the fuel service connection at the 11:00 position and the oxidizer service connection at the 3:00
position; these were used to fill and drain the service module's propellant
Also note the SM/SLA electrical umbilical
at bottom center.
I've prepared a page
diagramming the Service Module's aft face, featuring the aft heat shield and
some of the Service Propulsion System (SPS) plumbing, including the propellant