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Submitted by Arthur - N1ORC

Report #35 
4 p.m. CDT, Friday, Aug. 9, 2002 
Mission Control Center, Houston, Texas 

Commander Valery Korzun, Astronaut Peggy Whitson and Cosmonaut Sergei
Treschev completed their ninth week aboard the International Space
Station making preparations for the first spacewalk of their five-month

This week the crewmembers spent time each day reviewing plans for the
spacewalk and checking out the tools and equipment they will use.  Next
Friday at 2:40 a.m. CDT, Korzun and Whitson will open the hatch on the
Russian Pirs docking compartment to begin a 5-hour, 55-minute excursion. 
They will install protective panels on the Zvezda service module and a
new set of samples in a Russian experiment verifying the effectiveness of
devices designed to protect the station's exterior from contamination by
thruster firings. Live coverage of the spacewalk begins on NASA
Television at 2 a.m.

On Thursday Whitson maneuvered the station's Canadarm2 into position for
its cameras to capture images of the EVA, the third spacewalk of Korzun's
career and the first for Whitson.  

Korzun and Treschev will make the second spacewalk of this mission (the
first for Treschev) starting late Aug. 22 CDT.  They will retrieve
samples in a Japanese materials exposure experiment, install two
additional amateur radio antennas and inspect a condensate collector. All
activities will be on the Zvezda service module.

In conjunction with the spacewalk, Korzun and Whitson today tested their
lung function for a Human Life Sciences experiment called PuFF (Pulmonary
Function in Flight).  Station crewmembers use equipment at the Human
Research Facility rack in the Destiny module to gauge their lung function
before and after a spacewalk so scientists can judge if there are
long-term effects from the time spent in the lower-than-normal air
pressure environment of a spacesuit.

Wednesday Whitson reactivated the Microgravity Science Glovebox (MSG) in
the Destiny laboratory for a fourth run of the experiment SUBSA
(Solidification Using a Baffle in Sealed Ampoules).  The experiment,
conducted inside a transparent furnace in the MSG, tests what causes
motion in melted fluids used to create semiconductors. If that motion can
be reduced, the experiment could help lead to reducing defects in
semiconductors made in space and on Earth.

The crewmembers' routine exercise sessions were scheduled on the bicycle
ergometer and a resistive exercise device for most of this week while
engineers developed a repair plan for the Treadmill Vibration Isolation
System in the Zvezda module.  Last week the crew found that a ball
bearing for a rod supporting one of the rollers under the tread on that
apparatus had seized, and the rod was rubbing against the frame of the
treadmill. That rod has now been secured, and the crew is cleared to use
the treadmill in a non-motorized, reduced speed mode.  Plans are being
developed to send repair parts to the station on the next Progress
resupply vehicle, targeted for launch Sept. 20.

Tuesday morning all the crewmembers gathered in the Destiny laboratory to
answer questions from students at the Maryland Science Center in
Baltimore, at the completion of a conference on "Women in
Science." The session focused on life in a weightless environment.

This week, Russian officials said the next Soyuz crew return vehicle will
be launched to the space station Oct. 28.  The three-member taxi crew
will spend eight days on the ISS.  That crew will return to Earth Nov. 7
on the Soyuz now at the station. 

Information on the crew's activities aboard the space station, future
launch dates, as well as station sighting opportunities from anywhere on
the Earth, is available on the Internet at:


Details on station science operations can be found on an Internet site
administered by the Payload Operations Center at NASA's Marshall Space
Flight Center in Huntsville, Ala., at:


The next ISS status report will be issued on Friday, Aug. 16, after the
spacewalk, or sooner if events warrant.


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