NASA spacewalkers Bob Behnken and Chris Cassidy
iss063e052722 (July 21, 2020) --- NASA spacewalkers (from left) Bob Behnken and Chris Cassidy set up the outside of the Tranquility module for the future installation of the NanoRacks airlock.
Image Credit: NASA
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https://www.nasa.gov/image-detail/nasa-spacewalkers-bob-behnken-and-chris-cassidy-50144453208-o/
TakenJuly 21, 2020
Image CreditNASA
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