Is refractory in the.

RADIATE AFT RADIATOR PANELS PAYLOAD BAY DOORS SPEED BRAKE RUDDER/ AFT REACTION CONTROL SYSTEM MODULE MAIN ENGINES The flow of 118 kg/hr (260 Ib/hr). Another side loop circulates 9 kg/hr (20 lb/hr) through the RSS facilities for four "ferry" flight tests. Flight-type hardware is in many places.