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STS-113 MCC Status Report #07



Submitted by Arthur - N1ORC

STS-113 MCC Status Report #07 
Tuesday, Nov. 26, 2002 - 10 p.m. CDT 
Mission Control Center, Houston, Texas 

Endeavour and International Space Station crewmembers completed a smooth
installation of the Port One (P1) truss and a spacewalk to hook up
connections between P1 and the rest of the station. The spacewalk, by
Mission Specialists Michael Lopez-Alegria and John Herrington
successfully completed scheduled tasks. 

P1 was removed from Endeavour's payload bay at 9:22 a.m. CST by the
shuttle's robotic arm, operated by Commander Jim Wetherbee. He handed it
off to the station's Canadarm2, operated by Expedition 6 commander Ken
Bowersox and Expedition 5 NASA ISS Science Officer Peggy Whitson, and
released the shuttle arm's grip on P1 a little before 11 a.m. Whitson and
Bowersox maneuvered the 14-ton, 45-foot truss segment to its installation
position. 

P1 is the third segment of the Integrated Truss Structure to be installed
this year. A fourth segment, the P6 truss, supports the 240-foot-long
solar arrays atop the station. It was installed there in December 2000
and will be moved later to the left end of the station's backbone. At
completion, the integrated truss will consist of 11 segments stretching
the length of a football field. 

The spacewalk began at 1:49 p.m., about 30 minutes earlier than planned,
after the four bolts securing the P1 to the S0 truss centerpiece had been
driven home by remote commands. The spacewalk ended a little before 8:35
p.m. for a total time of 6 hours and 45 minutes. 

Herrington and Lopez-Alegria hooked up electrical connections between P1
and the station, installed spool positioning devices designed to ensure
that quick disconnect devices in fluid lines will function properly, and
released launch locks securing the Crew and Equipment Translation Aid
(CETA) cart, a kind of hand car for the truss railway. The two
spacewalkers also removed two drag links, large metal rods that had
supported P1 during launch, and stowed them in the P1 framework. Finally,
after Herrington had topped off his oxygen supply in the airlock, they
installed Node Wireless video system External Transceiver Assembly (WETA)
antennas allowing reception from spacewalkers' helmet cameras without a
shuttle present. 

Endeavour Pilot Paul Lockhart, with help from Bowersox and Expedition 6
Science Officer Don Pettit, served as intravehicular officer during the
spacewalk, coaching Lopez-Alegria and Herrington through their tasks and
keeping them on the timeline. 

The spacewalk was the 22nd station-based spacewalk, and brought the total
time for space station spacewalks to 292 hours, 10 minutes. There have
been 25 shuttle-based assembly spacewalks. 

Lopez-Alegria, wearing the spacesuit with red stripes, and Herrington, in
the all-white spacesuit, will conduct two more spacewalks, each scheduled
for 6½ hours, on Thursday and Saturday. Both will focus on making
additional connections between the new truss segment and the station, and
outfitting the P1. 

Expedition 5 Commander Valery Korzun, Whitson and Flight Engineer Sergei
Treschev conducted handover discussions with their Expedition 6
successors, Bowersox, Pettit and Flight Engineer Nikolai Budarin, during
parts of the Tuesday spacewalk. 

The next STS-113 mission status report will be issued Wednesday morning
or earlier if events warrant. 



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