Various Media Document Expedition 43 - NASA

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