Expedition 46 Commander Scott Kelly of NASA departs the Zhezkazgan Airport after he and Russian cosmonauts Sergey Volkov, and Mikhail Kornienko of Roscosmos landed in their Soyuz TMA-18M spacecraft in a remote area near the town of Zhezkazgan, Kazakhstan on Wednesday, March 2, 2016 (Kazakh time). Kelly and Kornienko completed an International Space Station record year-long mission to collect valuable data on the effect of long duration weightlessness on the human body that will be used to formulate a human mission to Mars. Volkov returned after spending six months on the station. NASA Photo by Bill Ingalls/UPI