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*International Space Station Status Report #07-20*
*3 p.m. CDT Friday, April 13, 2007*
*Expedition 14 Crew*

Two Expedition 15 cosmonauts spent much of the week in handover 
activities with their Expedition 14 predecessors. Their new crewmate, 
Sunita Williams who has been aboard the International Space Station for 
more than three months, also is helping them learn the ropes.

E15 Commander Fyodor Yurchikhin and Flight Engineer Oleg Kotov arrived 
at the station Monday after a Saturday launch from the Baikonur 
Cosmodrome in Kazakhstan. With them on their Soyuz TMA-10 spacecraft was 
Spaceflight Participant Charles Simonyi, a U.S. businessman flying under 
a contract with the Russian Federal Space Agency.

Expedition 14 Commander Michael Lopez-Alegria and Flight Engineer 
Mikhail Tyurin are scheduled to return home in their Soyuz TMA-9 
spacecraft April 20. Simonyi will return with them after about 11 days 
on the orbiting laboratory.

Lopez-Alegria, who came to the station with Tyurin last September, 
continuously sets new U.S. single spaceflight duration records. Williams 
is likely to break Lopez-Alegria's record with her return tentatively 
planned for August after serving as an E15 crew member for the early 
part of that increment.

This week, in addition to handover, both crews got in their regular 
exercise sessions  especially important for Lopez-Alegria and Tyurin as 
their return to Earth approaches. Crews did required station maintenance 
and still managed to spend considerable time on science activities. 
Those activities began with time-critical transfer of several 
experiments from the newly arrived Soyuz to the station and station power.

Among experiments getting crew attention were Bioemulsion, a Russian 
effort to develop technology to produce microorganisms safely for 
bacterial, fermental and medical preparations. Tyurin worked with that 
experiment Tuesday.

On Wednesday Kotov set up the European Exhaled Nitric Oxide-2 
experiment. It measures nitric oxide exhaled by spacewalkers before and 
after their excursions. The idea is to better understand the potential 
for decompression sickness.

Meanwhile, Tyurin worked with the Russian Pilot experiment. It is 
designed to measure during long-duration spaceflight changes in a crew 
member's ability to pilot a spacecraft.

On Thursday, Lopez-Alegria spent more than three hours resizing U.S. 
spacesuits for future users. The suits were the ones they used on an 
unprecedented series of three station spacewalks in a nine-day period 
beginning Jan. 31.

Throughout much of the week, beginning with the crew news conference on 
Tuesday, crew members took breaks to talk with news media 
representatives. U.S. organizations whose reporters interviewed them 
included ABC News, Space.com, CNN, and CBS.

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:


The next ISS status report will be issued Friday, April 20, after E14's 
landing, or earlier if events warrant.

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