Oct. 14, 2009 ISS Progress 35 Launches
Oct. 17, 2009 ISS Progress 35 Docks
Oct. 30, 2009 HTV-1 Released
Nov. 18, 2009 STS-129 Arrives
Nov. 15, 2009 STS-129 Departs
European Space Agency astronaut Frank De Winne served as commander for Expedition 21 and flight engineer for Expedition 20. De Winne spent nine days aboard the station in 2002 as a member of the Odissea mission.
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Astronaut Jeffrey Williams served as a flight engineer for Expedition 21 and commander of Expedition 22. He previously resided on the space station for six months in 2006 as a member of the Expedition 13 crew.
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Canadian Space Agency astronaut Robert Thirsk served as a flight engineer for Expeditions 21 and 20. In 1996, Dr. Thirsk flew as a payload specialist astronaut aboard space shuttle mission STS-78, the Life and Microgravity Spacelab mission.
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Cosmonaut Roman Romanenko served as a flight engineer for Expeditions 21 and 20. He was selected as a test-cosmonaut candidate of the Gagarin Cosmonaut Training Center Cosmonaut Office in December 1997. In November 1999, he was qualified as a test cosmonaut.
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Astronaut Nicole Stott served as a flight engineer for Expeditions 21 and 20 after launching on STS-128. In April 2006 she was a crew member on the NEEMO 9 mission where she lived and worked with a 6-person crew for 18 days on the Aquarius undersea research habitat.
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Cosmonaut Maxim Suraev served as a flight engineer for Expeditions 21 and 22. He was selected as a test-cosmonaut candidate of the Gagarin Cosmonaut Training Center Cosmonaut Office in December 1997.
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Canadian Guy Laliberté flew to the International Space Station aboard Soyuz TMA-16 and returned on Soyuz TMA-14 under a commercial agreement between the Russian Federal Space Agency and Space Adventures, Ltd.
Astronaut Jeff Williams, aboard the International Space Station 220 miles above Earth, is taking your questions. Post a video response with your question at ReelNASA on YouTube. Williams' schedule will not allow him to answer many questions, but he will attempt to answer a few each week.
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Visit the Expedition 21 photo gallery.
Visit the space station photo gallery to see collections of images that capture the orbital outpost's history.