The Cosmonaut Training Center hosted a farewell ceremony for the main and backup crews of the 21st visiting expedition to the Baikonur Cosmodrome on 6 March. Taking part in the ceremony were family members and close relatives of the cosmonauts. the main crew of the 21st visiting expedition to the International Space Station (ISS) includes Roscosmos cosmonaut Oleg Novitsky, Belarus’ Marina Vasilevskaya and NASA astronaut Tracy Dyson. The backup crew consists of Roscosmos cosmonaut Ivan Vagner, Belarusian space flight participant Anastasia Lenkova and NASA astronaut Donald Pettit. 
