Expert: ISS Cooling Fix May Be 'A Major Job'

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Expert: ISS Cooling Fix May Be 'A Major Job'

by Associated Press Videos 0:55 mins

Expert: ISS Cooling Fix May Be 'A Major Job'

by Associated Press Videos 0:55 mins

NASA is scrambling to figure out what's wrong with a key cooling unit on the International Space Station, and it may take a spacewalk to fix it. (Dec. 12)

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