On April 20, 2017 at 13:19 UTC the Russian "Soyuz MS-04” spacecraft docked with the Russian “Poisk” (MIM-2) module of the International Space Station.

The spacecraft delivered 2 new members of Expedition 51 to the ISS, Russian cosmonaut Fyodor Yurchikhin and American astronaut Jack Fisher. The new comers joined current ISS expedition members – Russian cosmonaut Oleg Novitskiy, French astronaut Thomas Pesquet and American astronaut Peggy Whitson.