Launch guests watch as the Soyuz rocket is rolled out by train to the launch pad

Launch guests watch as the Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station.