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NASA astronaut Mike Fossum onboard the International Space Station during Expedition 28. NASA's Robonaut is also visible in the background. Image credit: NASA TV
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This installment features International Space Station Expedition 29 commander, Mike Fossum.

Self-portrait of astronaut Mike Fossum taken on July 8, 2006. Image Credit: NASA / Mike Fossum
According to NASA, Fossum completed 167 days in space as a member of the Expedition 28 and 29 crews during his third space flight. Altogether, Fossum has spent 194 days in space and performed seven spacewalks. He ranks seventh on the all-time list for cumulative spacewalking time.
Fossum and his crewmates, Expedition 29 Flight Engineers Sergei Volkov of the Russian Space Agency and Satoshi Furukawa of the Japan Aerospace Exploration Agency, returned to Earth in their Soyuz TMA-02M spacecraft at 8:26 p.m. on Nov. 21, 2011. Fossum was aboard the station during the final space shuttle mission, STS-135, which delivered supplies and equipment to the outpost. During most of his time aboard the ISS, Fossum performed science experiments and routine maintenance.
Before submitting your question, take a minute and read a bit more about Fossum at: http://www.jsc.nasa.gov/Bios/htmlbios/fossum.html
You can also read Fossum’s “Living The Dream” NASA blog at: http://blogs.nasa.gov/cm/newui/blog/viewpostlist.jsp?blogname=Living%20the%20Dream
We’ll take questions until 6:00PM (MST) Monday, January 9th and provide a follow up article soon after with Fossum’s responses to your questions.