Dwayne Brown Headquarters, Washington, DC June 18, 2001 (Phone: 202/358-1726) Eileen Hawley Johnson Space Center, Houston, TX (Phone: 281/483-5111) NOTE TO EDITORS: N01-39 BRIEFING SET FOR THURSDAY TO DISCUSS SPACE STATION ACTIVITIES With the current International Space Station crew marking 100 days in space this past weekend, NASA managers are scheduled to discuss the crew's recent and upcoming activities during a briefing, Thursday, June 21 at 3 p.m. EDT. The briefing will cover recent activities with the station's Canadarm2 robotic arm, the crew's preparation for upcoming visits by Space Shuttle crews, scientific research on the station and the homestretch of the crew's five-month flight. Station Commander Yury Usachev and Flight Engineers Jim Voss and Susan Helms are scheduled to return to Earth in mid- August aboard a Space Shuttle, which also will bring a new crew to the station. Participants in the briefing will be Flight Director John Curry and Increment Two Scientist John Uri. The briefing, originating from NASA's Johnson Space Center, Houston, TX, will be carried live on NASA Television and will feature multi-center question and answer capability from participating NASA centers. NASA Television is available on GE-2, Transponder 9C at 85 degrees West longitude, vertical polarization, with a frequency of 3880 MHz, and audio of 6.8 MHz. -end-