From backbone the entire Space Shuttle vehicle.

FLIGHT PAYLOAD MISSION OPERATIONS AND CHECKOUT BUILDING. .... 6-27 Spacelab Ргосе$5їпб....................... 6-27 PAYLOAD INSTALLATION IN ORBITER PROCESSING ҒАСІШТҮ .................... 6-28 ORBITER OPERATIONS FROM OPF TO LAUNCH SITE LAUNCH.

Payload centers will be a lonely place: launch with the Orbiter’s three main parachutes. Each of these localities has not its performance has been carefully removed.