It\'s been many years now, but the rig used to catch the satellites \"rolled back\" to the ramp area. There was a winch assembly floor-mounted just aft of 245. A cable went from the winch drum, through the rig. There were long poles, 27\'(?), that were mounted on the outboard sides that the harness/hook assembly was connected to. These poles were lowered and and the harness was spread out. The chute was grabbed by the harness and pulled away from the poles and went into trail. The winch brake slowed the cable payout until it stopped and then the assembly was reeled in.
Once we had an incident where the brake clamped down way tooooo fast. Was an interesting flight after that for Randy and crew.
The rails on cargo door were for the ODS system.