Stephanie Schierholz
Headquarters, Washington
Nicole Cloutier-Lemasters
Johnson Space Center, Houston

Dec. 10, 2010
Returned Space Station Astronauts Available For Interviews
HOUSTON -- After a six-month stay aboard the International Space Station, astronauts Shannon Walker and Doug Wheelock will be available for live satellite interviews on Tuesday, Dec. 14, from NASA's Johnson Space Center in Houston.

Wheelock will be available from 5 to 6 a.m. CST. Walker will be available from 6:10 to 7 a.m. The interviews will be broadcast live on NASA Television.

To arrange an interview, reporters should contact producer Jeremiah Maddix at 281-483-8631 or 281-414-6995 or by e-mail at jeremiah.m.maddix@nasa.gov by 2 p.m. on Monday, Dec. 13. Video b-roll from Walker and Wheelock's mission will air Dec. 14 from 4:30 to 5 a.m. on NASA TV.

Wheelock, Walker and their crewmate, Russian cosmonaut Fyodor Yurchikhin, launched from the Baikonur Cosmodrome in Kazakhstan on June 15. During the mission, Wheelock served as commander of Expedition 25 and supported three unplanned spacewalks to replace a faulty pump module. Walker served as a flight engineer for Expedition 25 and was co-pilot of the Soyuz during its launch and landing. The trio spent 163 days in space and landed in Kazakhstan on Nov. 25.

During their mission, the crew members worked on more than 120 microgravity experiments in human research, biology and biotechnology, physical and materials sciences, technology development, and Earth and space sciences. The crew also celebrated the station's 10th anniversary of continuous habitation, work and research by international crews on Nov. 2.

Wheelock is from Windsor, N.Y. He has degrees from the United States Military Academy at West Point and the Georgia Institute of Technology. He also served as a mission specialist on shuttle mission STS-120 in 2007.

Walker is Houston's only native astronaut and holds multiple degrees from Rice University.

NASA TV's Live Interview Media Outlet channel will be used for the interviews. The channel is a digital satellite C-band downlink by uplink provider Americom. It is on satellite AMC 3, transponder 9C, located at 87 degrees west, downlink frequency 3865.5 MHz based on a standard C-band, horizontal downlink polarity. FEC is 3/4, data rate is 6.0 Mbps, symbol rate is 4.3404 Msps, transmission DVB-S, 4:2:0.

For NASA TV streaming video, downlink and scheduling information, visit:


For biographical information about Walker and Wheelock, visit:


For information about the International Space Station, visit:



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