There are 2 messages totalling 63 lines in this issue

Topics of the day:

1. STS-119 MCC Status Report #12
2. STS-119 MCC Status Report #13

Date: Sat, 21 Mar 2009 08:01:23 -0500 From: info@JSC NASA GOV Subject: STS-119 MCC Status Report #12

STS-119 Report #12 Saturday, March 21, 2009 - 8:00 a m CDT Mission Control Center, Houston, Texas

The second spacewalk of the first space shuttle mission of the year begins today on board a space station with two new solar array wings ready to start supplying electricity

Today’s spacewalkers, Mission Specialists Steve Swanson and Joseph Acaba, spent last night in the International Space Station’s Quest airlock under reduced atmospheric pressure, a standard pre-spacewalk protocol to speed the purge of nitrogen from their bloodstreams After a hygiene break they will return to the airlock accompanied by shuttle Pilot Tony Antonelli and Expedition 18 Commander Mike Fincke and Flight Engineer Koichi Wakata to continue preparations for their 6 5-hour spacewalk

When the spacewalk begins at 11:43 a m CDT Swanson and Acaba will move to the far port end of the station's truss structure to prepare the worksite for replacement batteries, a task slated to be completed during the STS-127 mission Next, they will move inboard to the P3 truss segment to install an unpressurized cargo carrier attachment system

Swanson then moves to the pressurized logistics module attached to the Kibo laboratory to install a Global Positioning System antenna, which will be used for the planned September rendezvous of a new Japanese cargo ship, and then moves to the Z1 truss segment to reconfigure connectors at a patch panel In the meantime, Acaba will be collecting standard and infrared imagery of panels of the radiators deployed from the P1 and S1 trusses

Swanson and Acaba join forces again at the S3 truss segment to install a payload attachment system before heading back to the Quest airlock to conclude the spacewalk

Today’s wake-up music was “In a Little While” performed by the group Pilgrim and Trout for Mission Specialist Richard Arnold

The next status report will be issued at the end of the crew day, or earlier if events warrant

#

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: Sat, 21 Mar 2009 21:16:48 -0500 From: info@JSC NASA GOV Subject: STS-119 MCC Status Report #13

STS-119 Report #13 Saturday, March 21, 2009 - 9 p m CDT Mission Control Center, Houston, Texas

HOUSTON – The STS-119 mission of space shuttle Discovery to the International Space Station approached the halfway point with focus today on the second spacewalk to prepare the complex for future assembly flights and arrival in the fall of a new cargo-carrying spacecraft – Japan’s H-II Transfer Vehicle

Steve Swanson and Joe Acaba floated out of the Quest airlock at 11:51 for the six hour, 30 minute spacewalk completing the highest priority tasks that included preparing a worksite for new batteries that will be brought up on the STS-127 mission of Endeavour They also installed a Global Positioning System antenna on the pressurized logistics module attached to the Kibo laboratory

During installation of a cargo carrier attach system, a misaligned bracket proved too difficult to reposition and the crew was called off to pursue other tasks, including imagery documentation of station radiators

With the 122nd spacewalk devoted to station assembly and maintenance complete, astronauts now have spent more than 768 hours outside the station Swanson completed his fourth spacewalk and Acaba, his first

Replanning efforts are underway to review tasks for the third spacewalk planned for Monday Acaba and Ricky Arnold are scheduled to conduct that spacewalk

Inside the station, station Commander Mike Fincke and shuttle Mission Specialist Sandy Magnus activated the newly installed distillation assembly component of the Urine Processor and claimed its initial operation seemed to operate with less noise Sunday the unit will be run through an actual processing cycle, which takes about four hours

Also Sunday, the crews will have some off duty time ahead of continued transfer work and preparations for Monday’s spacewalk

Bedtime for the station and shuttle crews comes earlier tonight – about 10 p m – with wake up Sunday at 5:43 a m

The next status report will be issued at the end of the crew day, or earlier if events warrant

#

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 - 21 Mar 2009 to 22 Mar 2009 (#2009-25)

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