WATCH LIVE: Astronauts Go on Final Spacewalk

Shuttle Discovery's astronauts have one last spacewalk ahead of them.

Late Monday morning, two former schoolteachers who became astronauts will venture outside the international space station and take another crack at deploying a jammed equipment storage platform. 

Spacewalkers accidentally inserted a pin upside down on the platform on Saturday. It will be the third and final spacewalk for Discovery's space station mission.

On Sunday, NASA had the linked space station and shuttle move out of the way of a piece of space junk. A small piece of debris from an old Chinese satellite rocket motor was due to pass too close during Monday's spacewalk. Space junk has been a recurring problem for the space station.

Copyright AP - Associated Press
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