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.
Information
Taken in
Space
Author
NASA
Description
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.