Expedition 54-55 backup crew members (from left) Jeanette Epps of NASA, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency. The trio is also the prime Expedition 56-57 crew
Information
Taken in
Star City Moscow
Author
NASA
Description
Expedition 54-55 backup crew members (from left) Jeanette Epps of NASA, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency. The trio is also the prime Expedition 56-57 crew