And -1.

Onorbit station. Rudder pedal transducer assembly RCS jet driver (forward) General-purpose computers Mass memories Multiplexer-demultiplexer units FORWARD AVIONICS BAYS TACANS RADAR ALTIMETERS MSBLS RECEIVERS AIR DATA COMPUTER FORWARD AVIONICS BAYS (4, 5, AND 6) FUEL FUEL SERVICING.