Aug 12, 2010

John Yembrick Headquarters, Washington
202-358-1100 john yembrick-1@nasa gov

James Hartsfield Johnson Space Center, Houston 281-483-5111 james a hartsfield@nasa gov

MEDIA ADVISORY: M10-114

NASA PLANS NEXT SPACE STATION REPAIR SPACEWALK FOR MONDAY

HOUSTON -- The third spacewalk to restore full cooling capability to the International Space Station is scheduled for Monday, Aug 16

Expedition 24 Flight Engineers Doug Wheelock and Tracy Caldwell Dyson will venture outside to install a replacement pump and connect its electrical and fluid lines The two NASA astronauts conducted the first two spacewalks to remove the failed ammonia pump from the station's truss, or backbone

The pump removed during Wednesday's spacewalk failed on July 31, causing a loss of half of the station's cooling system Since then, the station has been operating normally while a second ammonia pump provides cooling for electronics

NASA Television coverage will begin Monday at 5 a m CDT Wheelock and Caldwell Dyson are scheduled to begin the spacewalk just before 6 a m Monday's spacewalk will be the sixth for Wheelock and the third for Caldwell Dyson

Approximately two hours after the conclusion of the spacewalk, NASA TV will broadcast a briefing from NASA's Johnson Space Center in Houston The briefing participants will be Kirk Shireman, International Space Station deputy program manager; Courtenay McMillan, Expedition 24 spacewalk flight director; and David Beaver, Expedition 24 spacewalk officer

Reporters may ask questions from participating NASA locations, and should contact their preferred NASA center to confirm participation Johnson's newsroom will be open for credentialed reporters to attend the briefing Johnson also will operate a telephone bridge for reporters with valid media credentials issued by a NASA center

Journalists planning to use the service must contact the Johnson newsroom at 281-483-5111 no later than 15 minutes prior to the start of the briefing Phone bridge capacity is limited and will be available on a first-come, first-served basis

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

http://www nasa gov/ntv

For more information about the station and the Expedition 24 crew, visit:

http://www nasa gov/station

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