NASA Spacewalk Addresses ISS Thermal Control Concern

Credit: Astronauts Drew Feustel and Ricky Arnold: NASA
HOUSTON—NASA astronauts Drew Feustel and Ricky Arnold exchanged a pair of external International Space Station thermal control system components during a May 16 spacewalk. The exchange was intended to help reposition one of the two pump flow control subassemblies (PFCS) at a storage site on the far...

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