201503210010hq 03/21/2015) — Various Media document Expedition 43 NASA Astronaut Scott Kelly, seated left, Russian Cosmonauts Gennady Padalka, center, and Mikhail Kornienko of the Russian Federal Space Agency (Roscosmos) as they work on Soyuz training, Saturday, Mar. 21, 2015 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Kelly, Padalka
201503210010hq 03/21/2015) — Various Media document Expedition 43 NASA Astronaut Scott Kelly, seated left, Russian Cosmonauts Gennady Padalka, center, and Mikhail Kornienko of the Russian Federal Space Agency (Roscosmos) as they work on Soyuz training, Saturday, Mar. 21, 2015 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Kelly, Padalka, and Kornienko are preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan March 27 Eastern time. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016. Photo Credit: (NASA/Bill Ingalls)