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ISS STATUS REPORT #04-4



Submitted by Arthur - N1ORC

International Space Station Status Report #04-4
4 p.m. CST, Friday, Jan. 16, 2004
Expedition 8 Crew

In an effort to gather more data regarding normal air pressure 
fluctuations onboard the International Space Station, Expedition 8 
Commander Mike Foale and Flight Engineer Alexander Kaleri ended their 
week by closing several interior hatches.

Foale and Kaleri will spend most of the weekend in a smaller portion of 
the station than usual, primarily the Zvezda living quarters module. 
Foale and Kaleri floated into the Zvezda shortly after 2 p.m. Central 
time, closing several hatches behind them. Flight controllers will 
monitor air pressure in the station modules during that time to verify 
that the pressure aboard is stable and to gather baseline data on normal 
air pressure fluctuations in the complex.

For the data gathering session, the Station cabin has been divided into 
four sections. The one where the crew is staying includes Zvezda, the 
Soyuz spacecraft, the Pirs docking compartment and the Progress cargo 
vehicle. Another section includes the Unity connecting node and the 
Quest airlock. A third section is the Zarya control module and 
Pressurized Mating Adapter 1. The fourth section is the Destiny laboratory.

All of the hatches will be reopened Sunday afternoon.

On Jan. 11, Foale tracked down the probable cause of a slight pressure 
decay that had been detected aboard the station since late December. 
Foale found a leaking flex hose that is part of a system that prevents 
fogging within Destiny’s window. The hose was removed and the leak 
stopped. Engineers are evaluating plans to launch a replacement hose on 
the next Progress supply vehicle on Jan. 29.

Earlier this week, Kaleri replaced a liquid separation unit for the 
Russian Elektron oxygen generation system, restoring that system to full 
function. The week also included a number of science and medical 
experiment activities for the crew. Kaleri performed an assessment of 
the effects of weightlessness on the inner ear using a special Russian 
suit and collected air samples as part of another Russian program 
designed to help assess the microbial environment aboard the ISS.

Foale conducted his second session with the Foot/Ground Reaction Forces 
During Spaceflight (FOOT) experiment, gathering several hours of 
additional data. For the experiment, Foale dons a special pair of 
instrumented leggings that allow researchers to measure forces on the 
feet, joint angles and muscle activity. Foale also participated in a 
Hand Posture Analyzer investigation, which uses a special glove to 
assess the changes in how humans reach, grasp, manipulate and transport 
objects during long periods in weightlessness.

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:

http://spaceflight.nasa.gov/

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:

http://scipoc.msfc.nasa.gov/

The next ISS status report will be issued on Friday, Jan. 23, or earlier 
if events warrant.



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