A locomotive engineer waits in advance of the Soyuz rocket being rolled out by train to the launch pad at Site 31, Tuesday, April 6, 2021, at the Baikonur Cosmodrome in Kazakhstan. Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft on April 9. Photo Credit: (NASA/Bill Ingalls)