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1. NASA Astronaut Available for Interviews on Station Cooling System

Date: Thu, 12 Dec 2013 14:45:12 -0600 From: info@JSC NASA GOV Subject: NASA Astronaut Available for Interviews on Station Cooling System

December 12, 2013

Jenny Knotts Johnson Space Center, Houston 281-483-5111

Report #J13-019

NASA Astronaut Available for Interviews on Station Cooling System

NASA astronaut Doug Wheelock, a veteran International Space Station spacewalker, will be available for live satellite interviews from 3 � 3:30 p m CST today, Dec 12

Wednesday, a pump module on one of the space station�s two external cooling loops automatically shut down when it reached pre-set temperature limits These loops circulate ammonia outside the station to keep both internal and external equipment cool The flight control teams worked to get the cooling loop back up and running, and they suspect a flow control valve actually inside the pump module itself might not be functioning correctly

Wheelock and NASA astronaut Tracy Caldwell Dyson conducted three spacewalks in 2010 to replace this same ammonia coolant pump module when a different component inside failed

To participate in the interviews, reporters should contact the NASA Johnson Space Center newsroom at 281-483-5111 no later than 2:50 p m CST today, Dec 12

For more information about the International Space Station and updates on its cooling system, visit:

http://www nasa gov/station

For more information on NASA TV coverage, see:

http://www nasa gov/ntvnews

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End of HSFNEWS Digest - 12 Dec 2013 to 13 Dec 2013 (#2013-105)