Engineers continue to work on a malfunctioning cooling system aboard the International Space Station, with the prospect of a spacewalk to correct the problem growing ever more likely. "Of course, the bad news is, the station's having problems and we have to go out and do a repair. The good news is, we have the spare parts, we have the training, we have the skills," said Rick Mastracchio, a NASA astronaut aboard the station. No plans for a spacewalk have yet been announced but a resupply flight planned for later this month may have to be postponed if the malfunction isn't repaired in time.
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