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
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Taken in
Star City Moscow
Tác giả
NASA
Miêu tả
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