Head of the Russian Space Agency Roscosmos, Igor Komarov, speaks at an event celebrating the strength and stability of the space station’s international partnership, and the one-year crew, Thursday, March 24, 2016, at the Spaso house in Moscow, Russia. Mariella Tefft, wife of U.S. Ambassador John Tefft, hosted the event that was attended by NASA Administrator Charles Bolden as well as one-year crew members Scott Kelly of NASA and Mikhail Kornienko of Roscosmos.