Crew egress.

One gore segment contains a welded aluminum thrust post of the SRB attach point. Air data transducer assembly RCS jet driver (forward) General-purpose computers Mass memories Multiplexer-demultiplexer units FORWARD AVIONICS BAYS RATE GYROS AEROSURFACE SERVO AMPLIFIER REACTION JET OMS DRIVER (AFT) MULTIPLEXER-DEMULTIPLEXER UNITS MASS MEMORIES MULTIPLEXER-DEMULTIPLEXER UHF RECEIVER RENDEZVOUS SENSOR ELECTRONICS ` ACCELEROMETERS ONE-WAY DOPPLER EXTRACTOR 4-45 The Orbiter continues into space and can provide a controlled descent.