Yurchikhin is the Expedition 15 commander and a Russian cosmonaut representing the Russian Federal Space Agency, Roscosmos. He last visited the station in Oct. 2002 on mission STS-112.› Interview
Anderson joined Expedition 15 as flight engineer after launching to the station aboard Atlantis on mission STS-117 and also served as a flight engineer for Expedition 16. He returned home aboard Discovery on mission STS-120.› Biography →
Williams remained on the station as an Expedition 15 flight engineer after Expedition 14 left the station and returned to Earth with the STS-117 crew.› Interview
Born in Budapest, Hungary, Simonyi studied mathematics and computer science in the United States. He runs his own software engineering firm and contributes frequently to education and the arts.› Biography
The backup crew for Expedition 15 consists of Commander Roman Romanenko and flight engineers Mikhail Kornienko, Gregory Chamitoff and Sandra Magnus.› Backup Commander Roman Romanenko (Bio) →
Visit the Expedition 15 photo gallery.
The Expedition 15 and STS-117 crews bid each other farewell.› View This Video
At the end of her six-month stay aboard the International Space Station, astronaut Suni Williams shares her thoughts on exploration and sends heartfelt thanks to all the people that make the journey possible.› Play Audio File