CNN CNN Newsroom December 12, 2013 15:08:00
Tell if if a spacewalk is necessary. one of the cooling stations went out yesterday. they had to shut down noncritical systems. the spags station and the crew, nasa says, is not in danger. still, it's worrisome. john zarrella joins me now from miami. >> reporter: the mission management team is meeting this morning and will have to come up with some contingenciecontingen. they have a con contingency for a spacewalk. they did one back in may to fix a cooling loop. back in 2010 they had to replace one of the two pumps out there on the outside of the space station. in fact, the one that failed yes...
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