ISS039-E-000027 (11 March 2014) --- In the Zvezda service module of the Earth-orbiting International Space Station, Expedition 39 Flight Engineer Mikhail Tyurin, a cosmonaut with Russia's Federal Space Agency, keeps track of the Soyuz TMA-10M spacecraft as it heads toward Earth with the Expedition 38 crew aboard. Onboard the Soyuz were NASA astronaut Mike Hopkins and cosmonauts Oleg Kotov and Sergey Ryazanskiy who had served 166 days in Earth orbit as members of the Expedition 37 and 38 crews.