July 28, 2010 Candrea Thomas Kennedy Space Center, Fla. 321-867-2468 candrea.k.thomas@nasa.gov Michael Curie Headquarters, Washington 202-358-1100 michael.curie@nasa.gov Kylie Clem Johnson Space Center, Houston 281-483-5111 kylie.s.clem@nasa.gov MEDIA ADVISORY: M10-103 NASA SETS BRIEFING TO PREVIEW SPACE STATION SPACEWALK HOUSTON -- NASA managers will discuss an upcoming spacewalk at the International Space Station during a news briefing at 2 p.m. EDT on Tuesday, Aug. 3. Expedition 24 Flight Engineers Doug Wheelock and Tracy Caldwell Dyson are scheduled to perform a 6.5-hour spacewalk on Aug. 5. The two NASA astronauts will outfit the Russian Zarya module for future robotics work and prepare the station for the installation of a new U.S. permanent multipurpose module. The news briefing on the spacewalk will take place at NASA's Johnson Space Center in Houston. It will air live on NASA Television and the agency's Web site. Journalists may ask questions from participating NASA locations, including Kennedy Space Center, Fla. The briefers are: - Dan Hartman, Integration and Mission Operations manager, International Space Station Program - Courtenay McMillan, Expedition 24 spacewalk flight director NASA TV coverage of the spacewalk will begin at 5 a.m. on Aug. 5. Wheelock and Caldwell Dyson are expected to begin the spacewalk from the Quest airlock at 5:55 a.m. It will be Wheelock's fourth spacewalk and Caldwell Dyson's first. 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 -end- To subscribe to the list, send a message to: ksc-subscribe@newsletters.nasa.gov To remove your address from the list, send a message to: ksc-unsubscribe@newsletters.nasa.gov