Practice, to reduce drag during the three engine interface unit provides.

SESS © SSS PS SIS 06669 Кө 966 SX Sel mmo a | ORBITER MID DECK RESCUE (ONLY) SEATS MISSION SPECIALIST Hi PAYLOAD ; SPECIALIST PRIMARY INTERDECK ACCESS AND 2 FIXED FOOTHOLDS) 7 INTERDECK ACCESS 8 GALLEY HANDHOLD FOOD PREPARATION.