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Topics of the day:

1. STS-131 MCC Status Report #09
2. STS-131 MCC Status Report #10

Date: Fri, 9 Apr 2010 07:53:27 -0500 From: info@JSC NASA GOV Subject: STS-131 MCC Status Report #09

STS-131 Report #09 Friday, April 9, 2010 - 8:00 a m CDT Mission Control Center, Houston, Texas

Discovery Mission Specialists Rick Mastracchio and Clayton Anderson wound up a 6-hour, 27-minute spacewalk at 6:58 a m CDT after helping move a new 1,700-pound ammonia tank from Discovery�s cargo bay to a temporary parking place on the International Space Station It was the first of three spacewalks planned during the STS-131 mission

During the spacewalk, which began at 12:31 a m , the two astronauts also retrieved an experiment from the Japanese Kibo Laboratory exposed facility and replaced a Rate Gyro Assembly on one of the truss segments

The duo will complete the replacement of a depleted ammonia tank on the station during the mission�s second and third spacewalks, scheduled for Sunday and Tuesday Discovery will bring the depleted tank back to Earth to be refilled for subsequent return to the station The ammonia is used for the station�s cooling system

Today the spacewalkers lifted the new tank from its carrier in the cargo bay and tilted it to enable the station�s Canadarm2 operated by Pilot James P Dutton Jr and Mission Specialist Stephanie Wilson to grapple it for the move to the station Mission Specialist Dorothy Metcalf-Lindenburger choreographed the spacewalk from inside, coaching the spacewalkers through their tasks

The Kibo experiment, the Micro-Particles Capture/Space Environment Exposure Device, will be returned to Earth for analysis The Rate Gyro Assembly is part of the station�s navigation system

The spacewalk was the fourth for both Mastracchio and Anderson Mastracchio conducted three during the STS-118 mission, one of them with Anderson, who then was a long-duration crew member on the station as part of Expedition 15

Today�s spacewalk was the 141st dedicated to station assembly and maintenance totaling 879 hours, 43 minutes Mastracchio now has completed four spacewalks totaling 24 hours, 40 minutes Anderson also has conducted four spacewalks with a combined duration of 24 hours, 38 minutes

Inside, crew members continued the transfer of equipment and supplies between Discovery and the station The Multi-Purpose Logistics Module Leonardo, moved from the shuttle cargo bay and attached to the station Thursday, brought equipment, supplies and racks to the station, while additional cargo was carried on Discovery�s middeck Leonardo will bring home scientific experiments, equipment and trash from the station after it is returned to Discovery�s cargo bay

Discovery astronauts are scheduled to begin their sleep period about 12:20 p m and wake up at 8:21 p m

The next status report will be issued after crew wakeup, or earlier if events warrant

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NASA Johnson Space Center Mission Status Reports and other information are available automatically by sending an Internet electronic mail message to listserv@listserver jsc nasa gov In the body of the message (not the subject line) users should type "subscribe hsfnews" (no quotes) This will add the e-mail address that sent the subscribe message to the news release distribution list The system will reply with a confirmation via e-mail of each subscription Once you have subscribed you will receive future news releases via e-mail

Date: Fri, 9 Apr 2010 20:52:32 -0500 From: info@JSC NASA GOV Subject: STS-131 MCC Status Report #10

STS-131 Report #10 9 p m CDT Friday, April 9, 2010 Mission Control Center, Houston, Texas

HOUSTON � Upon waking, the seven astronauts onboard Discovery and the International Space Station�s Expedition 23 crew learned the mission would be extended one day to allow for a docked inspection of the shuttle�s thermal protection system

This is the second time a TPS inspection has been done docked to the station The first was during STS-123 in March 2008, when Endeavour left its Orbiter Boom Sensor System mounted to the station

Discovery�s 8:21 p m wakeup call was �We Weren�t Born to Follow� by Bon Jovi, played for Mission Specialist Rick Mastracchio, who will be preparing for his fifth spacewalk and the second for the mission, planned for early Sunday

The two crews will continue unpacking the Leonardo Multi-Purpose Logistics Module Japan Aerospace Exploration Agency astronaut Naoko Yamazaki will be moving the Window Observational Research Facility (WORF), which will provide cameras, multispectral and hyperspectral scanners, camcorders and other instruments to capture Earth imagery through Destiny laboratory�s window

At 4:56 a m Mastracchio and Mission Specialists Clayton Anderson and Stephanie Wilson will gather in the Harmony module to discuss the mission with Nebraska Public Radio, CBS Newspath and Radio Network and KETV-TV in Omaha

At 9:36 a m Commander Alan G Poindexter, Pilot James P Dutton Jr and Mission Specialist Dorothy Metcalf-Lindenburger will host an educational event with students at the Naval Postgraduate School in Monterey, Calif

Later in the day, Anderson and Mastracchio will review procedures for their spacewalk and end their day by camping overnight in the Quest airlock at a reduced atmospheric pressure Their spacewalk is scheduled to begin at 1:16 a m Sunday

The next shuttle status report will be issued after the crew�s work day, or earlier if warranted

#

NASA Johnson Space Center Mission Status Reports and other information are available automatically by sending an Internet electronic mail message to listserv@listserver jsc nasa gov In the body of the message (not the subject line) users should type "subscribe hsfnews" (no quotes) This will add the e-mail address that sent the subscribe message to the news release distribution list The system will reply with a confirmation via e-mail of each subscription Once you have subscribed you will receive future news releases via e-mail

End of HSFNEWS Digest - 9 Apr 2010 to 10 Apr 2010 (#2010-39)

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