SPACE TECHNOLOGY
'(<a href="http://www.j-archive.com/media/2005-06-09_DJ_21.jpg" target="_blank">Cheryl of the Clue Crew reads from the Johnson Space Center in Houston.</a>)  The <a href="http://www.j-archive.com/media/2005-06-09_DJ_21a.jpg" target="_blank">manned maneuvering unit</a> was used to repair the Solar Max satellite on a 1984 flight of this'
the Space Shuttle