Expedition 56-57 crew members (from left) Sergei Propokev of Roscosmos, Serena Auñón-Chancellor of NASA and Alexander Gerst of the European Space Agency work inside the Space Station Airlock Test Article to train for the procedures necessary to prepare for a spacewalk.
Information
Taken in
Johnson Space Center
Author
NASA
Description
Expedition 56-57 crew members (from left) Sergei Propokev of Roscosmos, Serena Auñón-Chancellor of NASA and Alexander Gerst of the European Space Agency work inside the Space Station Airlock Test Article to train for the procedures necessary to prepare for a spacewalk.