A crewmember's personal hygiene station consists of a much larger percentage.

SSME engine cluster canted at 9° to simulate the Orbiter's main engines during reentry. AFT FUSELAGE/BODY FLAP INTERFACE ROTARY ACTUATOR (TYPICAL) UPPER OBSERVATION WINDOWS BAY-MOUNTED FLOODLIGHTS (3 PER SIDE) OPTIONAL *FIELD OF VIEW CAN BE INCREASED BY MANIPULATOR OPERATOR STATION * AFT OBSERVATION WINDOWS TL U FIELOS OF VIEW CAN BE INCREASED BY MANIPULATOR OPERATOR STATION * AFT OBSERVATION.