NASA astronaut and Expedition 64 Flight Engineer Michael Hopkins applies his signature to the Unity module's vestibule that leads to the Cygnus space freighter from Northrop Grumman.
Information
Taken in
Space
Author
NASA
Description
NASA astronaut and Expedition 64 Flight Engineer Michael Hopkins applies his signature to the Unity module's vestibule that leads to the Cygnus space freighter from Northrop Grumman.