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John Yembrick
Headquarters, Washington

John Ira Petty
Johnson Space Center, Houston

	June 29, 2007

International Space Station Status Report: SS07-32

HOUSTON -- After the departure of the space shuttle Atlantis, Expedition 
15 Commander Fyodor Yurchikhin and Flight Engineer Oleg Kotov returned 
to their daily operations aboard the International Space Station this 
week, while newly arrived Flight Engineer Clay Anderson began conducting 
scientific experiments.

Atlantis landed in California June 22 after delivering a new starboard 
truss segment and a set of solar arrays to the station. Returning on the 
shuttle was Sunita Williams, who lived and worked aboard the orbiting 
complex for six months. Anderson succeeded Williams on the station and 
arrived with the Atlantis crew on June 10.

Anderson performed his first Saturday Science activity on June 23, 
showing younger television viewers how Newton's laws apply to sports 
activities, even in the microgravity of space.

On Monday, Anderson began work with a nutrition experiment. He collected 
blood and urine samples and began logging all of the food and drinks he 
consumed. The experiment tracks many vitamins and minerals essential for 
good health. It is the most comprehensive in-flight study to date of 
human physiological changes during long-duration spaceflight. Also, 
Anderson and Kotov did a medical emergency exercise, and Yurchikhin 
replaced one of three transmitters on the Russian Regul communications 

The crew inspected the lights and power systems and performed a routine 
examination of the windows on the Russian Zvezda service module on Tuesday.

Wednesday was filled with science. Each crew member completed medical 
tests and periodic fitness evaluations, and worked with a variety of 
Russian experiments. Kotov spent about two hours using a multimeter to 
do resistance checks on the computer system in the Zvezda service 
module. The two major computer systems there continue to function well, 
with two of three "lanes," or data paths, of each system operating.

Anderson wore an acoustic dosimeter on Thursday to check station noise 
levels. He also worked with the Microgravity Science Glovebox in an 
unsuccessful effort to complete a leak check. Troubleshooting continues. 
Yurchikhin and Kotov spent more than two hours with the Russian 
Profilaktika experiment, which looks at measures to counteract the 
long-term effects of microgravity. Yurchikhin also worked with the 
Matryoshka radiation detection experiment and Kotov inventoried medical 
equipment inventory.

On Friday, Anderson did a routine cleaning of spacesuit cooling loops. 
Yurchikhin and Kotov worked in the Russian segment, replacing current 
converter units in the Zarya module.

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


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