Silver Carrier

The Silver Carrier was an empty and abandoned rocket the Cybermen used to infiltrate the Space Station W3, hoping to use it as a beacon for their invasion fleet. The Second Doctor and Jamie arrived on the ship and were attacked by the servo robot, which was still operating and in charge of the ship, despite it being abandoned.

Originally a supply ship for Station 5, it was, according to Zoe, discovered nine weeks overdue and 90 million miles off course. The whereabouts of its crew was never determined. (TV: The Wheel in Space)