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International Space Station Status Report: SS07-28


Katherine Trinidad
Headquarters, Washington

John Ira Petty
Johnson Space Center, Houston

	May 25, 2007

International Space Station Status Report: SS07-28

HOUSTON - Expedition 15 Commander Fyodor Yurchikhin and Flight Engineer 
Oleg Kotov prepared this week for two spacewalks while Flight Engineer 
Suni Williams prepared for her return to Earth. In preparation for her 
successor's arrival, Williams' downlinked a 10-minute video tour for 
Clayton Anderson, who will travel to the station on the upcoming space 
shuttle flight.

Mission managers gave a "go" for a May 30 Russian spacewalk to install 
orbital debris protection panels on the Zvezda service module and a GPS 
antenna cable associated with Automated Transfer Vehicle navigation 
systems. This will be the 18th Russian spacewalk in support of station 
assembly and maintenance. The spacewalk is scheduled to begin at 1:20 
p.m. CDT and last approximately six hours. NASA Television coverage will 
begin at 12:30 p.m.

First-time spacewalkers Yurchikhin and Kotov checked out the spacesuits 
and the Pirs airlock, prepared their tools, and closed the hatch to the 
Progress resupply vehicle docked to Pirs. Williams, who will help 
coordinate the spacewalk from inside the station, also prepared U.S. 
tools that will be used. During the spacewalk, the cosmonauts will 
retrieve a package, known as the "Christmas tree," which contains three 
bundles of debris panels. They were temporarily stowed on Pressurized 
Mating Adapter 3 during the STS-116 mission last December. After 
transferring the panels to Zvezda, Yurchikhin and Kotov will install the 
panels from one bundle. The others will be installed during their June 6 
Russian spacewalk. Mission managers this week conducted a preliminary 
review of that spacewalk.

Williams this week installed updated software on the station's laptop 
computers, replaced the elastic "flex packs" in two Resistive Exercise 
Device canisters used to simulate weightlifting in the absence of 
gravity, and worked out on a stationary bicycle while medical experts on 
the ground measured her oxygen intake as part of a periodic fitness 

The crew members also prepared for the arrival of space shuttle 
Atlantis, targeted to launch on June 8. Yurchikhin and Kotov reviewed a 
recent digital photography practice session with shuttle imagery 
specialists, and Williams assembled a spacewalk tool to be used by 
shuttle astronauts who will retract the P6 starboard solar array. Along 
with filming the station video, Suni Williams also spoke with Clayton 
Anderson to help him prepare for his mission. It will begin officially 
when his specially-fitted Soyuz seat liner is transferred from Atlantis 
to the station during the STS-117 mission.

On Wednesday, Russian flight controllers executed an orbit adjustment 
burn, increasing the station's speed about one mile an hour and putting 
it in the proper orbit for Atlantis' arrival.

The Expedition 15 crew also participated in interviews with WBZ Radio, 
CBS Radio, ABC News and MSNBC.

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


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