Feb 21, 2007

John Yembrick Headquarters, Washington 202-358-0602

James Hartsfield Johnson Space Center, Houston 281-483-5111

Jessica Rye Kennedy Space Center, Fla 321-867-2468

MEDIA ADVISORY: 07-25

NASA TV AIRS SHUTTLE CREW MEDIA SESSION AND SPACEWALK THURSDAY

WASHINGTON - Two human spaceflight events will air simultaneously on separate NASA Television digital channels Thursday, Feb 22

At 5 a m EST, two crew members of the International Space Station will begin the fourth spacewalk in the last three weeks During the six-hour spacewalk, Expedition 14 Commander Michael Lopez Alegria and Flight Engineer Mikhail Tyurin will work to free a stuck antenna on the Progress 23 supply spacecraft Coverage of the spacewalk on NASA TV's public, education and media channels begins at 4 a m

The media Channel will break away temporarily from the spacewalk coverage to air a question and answer session between reporters and the STS-117 crew at NASA's Kennedy Space Center, Fla , at 7:40 a m The crew will be in Florida to participate in the launch countdown dress rehearsal, known as the Terminal Countdown Demonstration Test The shuttle crew includes Commander Rick Sturckow, Pilot Lee Archambault and Mission Specialists Patrick Forrester, Steven Swanson, John "Danny" Olivas and Jim Reilly

Coverage of the spacewalk will continue uninterrupted on the public channel and will resume on the media channel immediately following the shuttle crew event

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

http://www nasa gov/ntv

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