Is designed to allow flexibility for communications routing.

Resides into the intertank outer skin when mated. 2-43 3. ORBITER STRUCTURE ................. 3-1 4 ORBITER SYSTEMS Propulsion A ORBITER MANEUVERING SYSTEM........... 4-5 REACTION CONTROL SYSTEM FORWARD REACTION CONTROL SYSTEM (RCS) POD ELEVON ACTUATORS (4) SIDEWALL PAYLOAD BAY AREA ACCESS BRIDGES PLATFORM.