Expedition 51 Launch
The Soyuz MS-04 rocket launches from the Baikonur Cosmodrome in Kazakhstan April 20, 2017, carrying Fyodor Yurchikhin, the Expedition 51 Soyuz commander of Roscosmos, and Col. Jack Fischer, the Expedition 51 NASA flight engineer, into orbit to begin their four and a half month mission on the International Space Station. (NASA photo/Aubrey Gemignani)

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Photo by: NASA/Aubrey Gemignani |  VIRIN: 170420-F-XX999-0045.JPG