European Space Agency astronaut Alexander Gerst, flight engineer, participates in routine operations training for Expedition 41 in the Space Vehicle Mockup Facility at the Johnson Space Center.
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Johnson Space Center
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NASA
บรรยายรายละเอียด
European Space Agency astronaut Alexander Gerst, flight engineer, participates in routine operations training for Expedition 41 in the Space Vehicle Mockup Facility at the Johnson Space Center.