Peggy Whitson arrived at the International Space Station on November 19, 2016, on Expedition 50/51, which was launched on November 17, 2016, from the Baikonur cosmodrome in Kazakhstan.
Peggy Whitson ankom atter til Den Internationale Rumstation (ISS) den 19. november 2016, under Ekspedition 50/51, der blev opsendt den 17. november 2016, fra Bajkonur-kosmodromen i Kasakhstan.