ScienceRussian cosmonauts Teteryatnikov, Kiviryyan ready for Crew-13 mission
Roscosmos says Sergey Teteryatnikov and Arutyun Kiviryyan have passed their tests and exams and completed comprehensive training for the Russian segment of the ISS flight program. Teteryatnikov is assigned to the primary Crew-13 mission as a specialist, while Kiviryyan is his backup. The four-person mission is expected to launch no earlier than mid-September.
Russian cosmonauts Teteryatnikov, Kiviryyan ready for Crew-13 mission