DATA COMPUTER FORWARD AVIONICS BAYS.

AUXILIARY POWER UNIT (APU) TANKS (3) BACK OF AVIONICS APU DISCONNECT BULKHEAD 576 BAYS (3) COMPARTMENT GYROS (4) EQUIPMENT BAY MULTILAYER INSULATION PAYLOAD LINER REEL] BULKHEAD J WING BOX 273 378 FORWARD LOWER HONEYCOMB SKIN PANELS MACHINED ACTUATOR RIBS FRONT SPAR WEBS (SHEET METAL) STABILITY.