A Russian government Soyuz rocket will the crewed Soyuz MS-25 spacecraft to the International Space Station. The mission will carry Russian commander Oleg Novitsky, Belarusian flight engineer Marina Vasilevskaya, and NASA astronaut Tracy Dyson into orbit for a long-duration flight on the space station. The rocket will fly in the Soyuz-2.1a configuration. The Soyuz will dock at the Prichal module about three hours after liftoff. On its return trip, it will bring back Russian cosmonauts Oleg Kononenko and Nikolai Chub.