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Japanese astronaut Koichi Wakata

Japanese astronaut Koichi Wakata is pictured near a lithium hydroxide (LiOH) canister floating freely on the middeck of Space Shuttle Endeavour during flight day 14 activities. Two days before, the International Space Station's Carbon Dioxide Removal Assembly (CDRA) suffered a shutdown of its remote power controller, which performs like a circuit breaker. Flight controllers continued to manually operate the CDRA as a temporary solution. They're keeping the atmosphere at normal levels, but are refining the remote-control procedures. The use of LiOH canisters has been considered as an alternative solution. (Credit: NASA)

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Photo taken on July 28, 2009

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