This article is outdated. Please update this article to reflect recent events or newly available information.(January 2014)
Diagram of the Teleoperator Retrieval System planned to be deployed on the Space Shuttle mission to Skylab.
After the third manned mission to Skylab, plans were made to boost the station into a higher orbit to extend its service life or to de-orbit it into a remote ocean area. A remotely controlled booster rocket was to be carried up in the Space Shuttle's third mission. Astronaut Jack R. Lousma described the remote booster as "as big as a truck" and requiring a control system able to match the circular motion of the Skylab docking port.