Astronaut Alexander Gerst of the European Space Agency is a backup crew member for Expedition 54 55 He is also the Flight Engineer for Expedition 56 and the Commander of Expedition 57
Information
Taken in
Star City Moscow
Author
NASA
Description
Astronaut Alexander Gerst of the European Space Agency is a backup crew member for Expedition 54 55 He is also the Flight Engineer for Expedition 56 and the Commander of Expedition 57