Dan Hartman, NASA Deputy Space Station Program Manager, speaks during the State Commission meeting to approve the Soyuz launch of Expedition 51 to the International Space Station, Wednesday, April 19, 2017, at the Cosmonaut Hotel in Baikonur, Kazakhstan. The mission is set to launch April 20 from the Baikonur Cosmodrome. Photo Credit: (NASA/Aubrey Gemignani)

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