Space walk will be highlight for Nebraska Astronaut

Clay Anderson already has 18 hours of spacewalk experience to his credit. On the upcoming mission he will take three more six hour trips outside the International Space Station. He tells NET's Bill Kelly that it promises to be the highlight of his mission.

Learn more about Clay Anderson and his previous Shuttle flight in the NET documentary "Homemade Astronaut" available here!

There is lots of background material and videos the Discovery mission at the NASA website.