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STS-115 MCC STATUS REPORT #115-06



SUBMITTED BY ARTHUR N1ORC - AMSAT A/C #31468

NASA NEWS

2 a.m. CDT, Tuesday, Sept. 12, 2006
Mission Control Center, Houston, Texas

	09.12.06
STATUS REPORT: STS-115-06

STS-115 MCC Status Report #06

It's installation day on the International Space Station. The Atlantis 
and Expedition 13 crews will attach the P3/P4 truss and do the first of 
three spacewalks by shuttle crew members.

Atlantis' astronauts were awakened at 11:15 p.m. CDT Monday with "My 
Friendly Epistle," a Ukrainian song by Taras Shevchenko. It was played 
for Heide Stefanyshyn-Piper.

She and fellow mission specialist Joe Tanner are scheduled to begin 
spacewalk 1 just after 4 a.m. They spent the night in the Quest Airlock, 
its pressure reduced to 10.2 psi. That was done to help purge nitrogen 
from their systems to avoid the possibility of formation of nitrogen 
bubbles in their blood during the spacewalk.

They are being helped in spacewalk preparations by Atlantis Commander 
Brent Jett, Mission Specialist Dan Burbank and station crewman Thomas 
Reiter.

At about 1 a.m., Canadian Space Agency Astronaut Steve MacLean and 
Expedition 13 Flight Engineer Jeff Williams used the station's Canadarm2 
to begin the process of moving the truss to its new position at the end 
of the P1 truss segment. There four bolts will attach it.

Shortly after their spacewalk begins, Tanner and Piper will move to 
P3/P4. Tanner will connect power cables. Piper, working nearby, will 
release launch restraints on the Solar Array Blanket Box. The two will 
then work together and release other restraints on the Beta Gimbal 
Assembly, the structure between the truss electronics and the Solar 
Array Wings. Next, they will work on configurations of the Solar Alpha 
Rotary Joint, including the installation of drive lock assemblies.

Tannerís final task will be connecting the electrical cables in the 
upper utility tray and removing two other circuit interrupt devices, 
which is necessary for the upcoming STS-116 mission. He and Piper will 
then return to the airlock.

Throughout the day, other crewmembers will support the spacewalk 
activities as well as work to transfer equipment and supplies between 
the two spacecraft and prepare for Wednesday's spacewalk by Burbank and 
MacLean.

The next STS-115 mission status report will be issued Tuesday afternoon, 
or earlier if events warrant.


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