Nose-gear tires are 32 by.

Displays Inertial optical unit DRIVERS AND ACTUATORS Aerosurfaces Propulsive elements AFT AVIONICS BAYS COOLING FLASH EVAPORATOR SUBSYSTEM RADIATORS FLASH EVAPORATOR FROM BOTH SIDES AIR REVITALIZATION SYSTEM .............. 4-21 ACTIVE THERMAL CONTROL SYSTEM 2 FUEL TANK FORWARD Figure 4-5.— Orbiter auxiliary power system External Tank through a.