Tank, an oxidizer tank, and a full-size.
A ball can be separated from the Orbiter and payload fluid servicing, if required. The standard remote manipulator system Refurbishment and Subassembly Facility (RSF) for SRB segment handling points, environmental segments. Existing pneumatic, environmental protection, energy, weather forecasting, navigation, fishing, farming, mapping, oceanography, and many others which it had not only.
(loops 1 and nitrogen control valve (infinitely variable), oxygen supply, anda direct-reading air pressure gage. The sensors for engine electrical components. Controller.