Saturday, November 21, 2009

Watch Second of Three Scheduled Spacewalks Live on NASA TV

Watch Second of Three Scheduled Spacewalks

Live on NASA TV

Show starts at 8:18am CST

STS-129 Spacewalkers "Camping Out" in Airlock

Friday, November 20, 2009

Originally posted at 5:24pm CST


STS-129 Mission Specialists Mike Foreman and Randy Bresnik, set to perform the second spacewalk of the mission Saturday, are spending the night in the Quest airlock as part of the overnight “campout” procedure that helps purge nitrogen from their bloodstreams, preventing decompression sickness once they move out into the vacuum of space.
The International Space Station crew is scheduled to go to sleep at 6:58 p.m. EST, and the shuttle crew heads to bed a half hour later. Both crews are set to wake up Saturday at 3:28 a.m.

The spacewalk is slated to begin at 8:18am CST

Second STS-129 Spacewalk Complete
Originally posted at 2:43pm CST
Spacewalkers Mike Foreman and Randy Bresnik completed a six hour, eight minute spacewalk at 3:39 p.m. EST.
The spacewalking pair finished all their assigned work way ahead of schedule and completed several “get ahead” tasks. They deployed the last two of the Payload Attach Systems that remained on the outside of the International Space Station.
This was the second of three STS-129 spacewalks, the 229th conducted by U.S. astronauts, the fifth for Foreman and the first for Bresnik. It was the 135th in support of International Space Station assembly and maintenance, totaling 843 hours, 36 minutes. It was the 107th spacewalk out of the space station, totaling 656 hours, 21 minutes.
Astronauts Complete Second Spacewalk
STS-129 Mission Specialists Mike Foreman and Randy Bresnik wrapped up a successful six-hour, eight-minute spacewalk after completing their scheduled tasks ahead of schedule. Official end of the spacewalk was at 3:39 p.m. EST. It was the second of the three scheduled during Atlantis’ visit to the International Space Station.
The start was a little later than planned, about 9:30 a.m., because a false depressurization alarm had sounded on the station at 9:53 p.m. Friday, interrupting the crews’ sleep and the spacewalkers’ campout in the Quest airlock. The spacewalkers completed the process of reducing the nitrogen in their blood by exercising while breathing oxygen.
Foreman and Bresnik installed an antenna assembly on a Columbus module handrail, relocated the station’s floating potential measurement unit to the Port 1 truss and deployed a second Payload Attachment System (PAS) on the upper part of the Starboard 3 (S3) truss.
After completing the installation of a wireless video system on S3 an hour ahead of schedule, the spacewalkers had time to perform a get-ahead task. Foreman and Bresnik deployed a third PAS, this one on the Earth-facing side of S3. This task, originally schedule for the mission’s third spacewalk, was accomplished smoothly and quickly.
Just before the beginning of the Saturday spacewalk, Express Logistics Carrier 2 was installed on S3 by the station’s robotic arm, operated by Mission Specialists Leland Melvin and Nicole Stott. It holds almost 10,000 pounds of large spares for the station, including an attitude-control gyroscope, a high-pressure oxygen tank and a pump module.
A sister cargo carrier, ELC 1, also came to the station on Atlantis and was installed Thursday.
Satcher and Bresnik make 3rd and final scheduled Spacewalk Monday.

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GOD SPEED to the Crew of STS-129 Atlantis...

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