Expedition 47 crew members, Flight Engineer Jeff Williams of NASA, left, Soyuz Commander Alexey Ovchinin of Roscosmos, center, and Flight Engineer Oleg Skripochka of Roscosmos, right, wave farewell to family and friends as they depart the Cosmonaut Hotel to suit-up for their Soyuz launch to the International Space Station on Friday, March 18, 2016, in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for the early hours of March 19 and will send Ovchinin, Williams, and Skripochka on a five and a half month mission aboard the International Space Station.