Ars Technica reports that the next planned spacewalk in the continuing repairs of the International Space Station's ammonia pump has been delayed, because of problems with the spacesuit worn by astronaut Rick Mastracchio. From the article: "According to Deutsche Welle, the problem is with how the sublimator (a cooling unit) in Mastracchio's suit operated when entering ISS airlock. NASA said the question is whether water entered the sublimator at that time. 'During repressurization of the station's airlock following the spacewalk, a spacesuit configuration issue put the suit Mastracchio was wearing in question for the next excursion,' NASA said in a statement. Delaying the next steps of the valve replacement from Monday until Tuesday will give NASA time to address the issue. Mastracchio is scheduled to wear a backup suit and needs this time to have it resized."
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