The International Space Station's (ISS) Expedition 57 begins with the scheduled undocking of Soyuz MS-08. New crew members will arrive shortly thereafter on Soyuz MS-10.
ISS Expedition 57 will be led by commander Alexander Gerst of the European Space Agency (ESA). His crewmates, all flight engineers, include: Roscosmos cosmonauts Sergei Prokopyev, Aleksei Ovchinin and Nikolai Tikhonov; and Jeanette Epps and Nick Hague of NASA.