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Stage Set for Tomorrow's Spacewalk to Install Canada's Work Platform

Press Release From: Canadian Space Agency
Posted: Saturday, June 8, 2002

The Shuttle astronauts are getting ready to unwrap Canada's latest contribution to the International Space Station. Astronauts Franklin Chang-Diaz and Philippe Perrin are scheduled to begin their first spacewalk tomorrow to start the complex process of installing Canada's Mobile Base System on the International Space Station. The base is a work platform that will transport Canadarm2, as well as other space structures and equipment, along rails that will run the length of the International Space Station.

Around 4 p.m. EDT on Sunday, June 9 Canadarm2 will reach into the Shuttle's cargo bay and grapple the Mobile Base, allowing power to flow from the arm to the base. This will mark the first time Canadarm2 will handle a powered payload.

The astronauts will then remove thermal blankets that have been keeping the base warm, in preparation for installing it on top of the U.S.-built Mobile Transporter, which will carry it along the rails. By the end of the day Canadarm2 will have pulled the 1450-kilogram base out of the cargo bay and parked it in its overnight position next to the Transporter.

The Mobile Base System is the second element of Canada's contribution to the Space Station, following Canadarm2, which was installed last year.

Program for June 9, 2002 (Flight Day 5)

* 11:08 a.m. EDT: Franklin Chang-Diaz and Philippe Perrin spacewalk begins

* Around 4:00 p.m. EDT: Canadarm2 grapples the Mobile Base System, pulls it out of Endeavour's cargo bay and parks it close to the Mobile Transporter.

* 5:08 p.m. EDT: Spacewalk ends

* 5:30 p.m. EDT: NASA Status Briefing on the day's activities.

A Canadian Space Agency (CSA) representative will participate, providing an update on the day's Canadian robotics activities and the progress of the Mobile Base System transfer from the Shuttle payload bay to its overnight position. Media can watch live coverage of the briefing on NASA TV or on the NASA Website

* A briefing at the CSA headquarters in Saint-Hubert will follow the NASA briefing. Spokespeople will be available at the CSA during and after the briefings as well as throughout the day.

For live coverage, media can log on to the NASA TV satellite on GE-2, Transponder 9C at 85 degrees West longitude, vertical polarization, with a frequency of 3880 MHz and audio of 6.8 MHz or via the Internet at www.nasa.gov/ntv/ <http://www.nasa.gov/ntv/>

Media can listen to the NASA briefing: dial 1 866 805-7923 and enter the pass code 47703#

-30- For more information, contact:

Monique Billette
Senior Media Relations Officer
Canadian Space Agency
Tel.: (450) 926- 4370
monique.billette@space.gc.ca

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