344 700- to 413 700- kN/m? (50 000- to 500 000-pound.

Drain System .......... 4-33 AVIONICS .............................. 4-37 5 ORBITER CREW ACCOMMODATIONS AND EQUIPMENT ...................... 5-1 6 MISSION OPERATIONS AND SUPPORT EQUIPMENT HEAT EXCHANGER FREON LOOP FUEL CELLS AFT COLOPLATES GROUND SUPPORT EQUIPMENT PAYLOAD CANISTER (VERTICAL) VERTICAL PROCESSING FACILITY (OPTION) OPERATIONS AND ORBITER PROCESSING FACILITY 29 meters (95 feet) high. A 930-square- meter (10 000-square-foot) annex is located.