HOUSTON - NASA will preview a pair of International Space Station spacewalks during a briefing at 1 p.m. CDT Wednesday, May 23. The briefing from Johnson Space Center, Houston, will air live on NASA Television. Questions will be taken from media at participating NASA sites. Reporters should call their preferred NASA center to confirm its availability.

For the spacewalks on May 30 and June 6, Expedition 15 Commander Fyodor Yurchikhin and Flight Engineer Oleg Kotov will wear Russian Orlan spacesuits. They will install orbital debris protection panels on the Zvezda Service Module and replace experiments on the hull of Zvezda. Flight Engineer Suni Williams remain inside and monitor station systems.

Participants in the briefing are:

- Kirk Shireman, deputy International Space Station program manager
- Bob Dempsey, Expedition 15 lead flight director
- Heather Rarick, International Space Station spacewalk flight director
- Daryl Schuck, Expedition 15 lead spacewalk officer

The May 30 spacewalk will begin at 1:20 p.m. NASA TV coverage will begin at 12:30 p.m. The start time for the June 6 spacewalk has yet to be determined. For NASA TV downlink, schedules and streaming video information, visit:

http://www.nasa.gov/ntv

For more information about the crew's activities and station sighting opportunities, visit:

http://www.nasa.gov/station