System provides flight avionics.

WINDOW CAVITY CONDITIONING DESICCANT DN CANISTER CAVITY E SYSTEM "7 S | DESICCANT ° PURGE % ($ А CANISTER (2) | oe LINES РА \ ee VENT TO -4-77 E SIDE HATCH (a) Launch/entry. E WORKING/HABITABILITY PROVISIONS FOR FOUR PERSONNEL (NOMINAL) VERTICAL SLEEP STATION THREE SLEEP MODULAR MODULAR STOWAGE STOWAGE UNDER-TABLE.