US astronaut Tracy Caldwell-Dyson will launch on the Soyuz MS-25 spacecraft and spend approximately six months aboard the International Space Station. She will travel to the station with Roscosmos cosmonaut Oleg Novitsky and spaceflight participant Marina Vasilevskaya of Belarus, both of whom will spend approximately 12 days aboard the orbital complex as a part of 21st ISS visiting expedition.
