Ground personnel work next to the Soyuz TMA-13M capsule of the International Space Station (ISS) crew of Alexander Gerst of Germany, Maxim Suraev of Russia and Reid Wiseman of the U.S. after its landing near the town of Arkalyk in northern Kazakhstan November 10, 2014. A veteran Russian cosmonaut and two International Space Station crewmates, one from the United States and one from Germany, returned safely to Earth on Sunday with a parachute landing of their Soyuz capsule in Kazakhstan, ending 5-1/2 months in orbit. (Photo by Shamil Zhumatov/Reuters)

Search and rescue team approaches the Soyuz TMA-13M capsule with the International Space Station (ISS) crew of Alexander Gerst of Germany, Maxim Surayev of Russia and Reid Wiseman of the U.S. after its landing near the town of Arkalyk, in northern Kazakhstan November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

Search and rescue personnel help the International Space Station (ISS) crew member Alexander Gerst of Germany to get out of the Soyuz TMA-13M space capsule after landing in a remote area near the town of Arkalyk in northern Kazakhstan November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

Ground personnel work next to the Soyuz TMA-13M capsule of the International Space Station (ISS) crew of Alexander Gerst of Germany, Maxim Suraev of Russia and Reid Wiseman of the U.S. after its landing near the town of Arkalyk in northern Kazakhstan November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

Ground personnel work next to the Soyuz TMA-13M capsule of the International Space Station (ISS) crew of Alexander Gerst of Germany, Maxim Suraev of Russia and Reid Wiseman of the U.S. after its landing near the town of Arkalyk in northern Kazakhstan November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

Search and rescue team approaches the Soyuz TMA-13M capsule with the International Space Station (ISS) crew of Alexander Gerst of Germany, Maxim Surayev of Russia and Reid Wiseman of the U.S. after its landing near the town of Arkalyk in northern Kazakhstan November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

Ground personnel check International Space Station (ISS) crew member Alexander Gerst of Germany after a parachute landing in a Soyuz capsule in a remote area near the town of Arkalyk in northern Kazakhstan, November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

Ground personnel carry International Space Station (ISS) crew member Reid Wiseman of the U.S. shortly after landing near the town of Arkalyk in northern Kazakhstan, November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

Ground personnel carry International Space Station (ISS) crew member Alexander Gerst of Germany shortly after landing near the town of Arkalyk in northern Kazakhstan, November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

International Space Station (ISS) crew member Reid Wiseman of the U.S. takes off his helmet after landing in a remote area near the town of Arkalyk in northern Kazakhstan November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

Ground personnel carry International Space Station (ISS) crew member Alexander Gerst of Germany (C) shortly after landing near the town of Arkalyk in northern Kazakhstan November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

Ground personnel carry International Space Station (ISS) crew member Alexander Gerst of Germany shortly after landing near the town of Arkalyk in northern Kazakhstan November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

Ground personnel carry International Space Station (ISS) crew member Maxim Suraev of Russia shortly after landing near the town of Arkalyk in northern Kazakhstan November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

International Space Station (ISS) crew member Maxim Suraev of Russia (R) gestures to his teammate Alexander Gerst of Germany after landing in a remote area near the town of Arkalyk in northern Kazakhstan November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

International Space Station (ISS) crew members Alexander Gerst of Germany (L), Maxim Suraev of Russia (C) and Reid Wiseman of the U.S. are welcomed on arrival to Kostanay after landing in northern Kazakhstan November 10, 2014. (Photo by Shamil Zhumatov/Reuters)

International Space Station (ISS) crew members Alexander Gerst of Germany (L), Maxim Suraev of Russia (C) and Reid Wiseman of the U.S. are presented with the Kazakh national costume during a news conference in Kostanay, northern Kazakhstan November 10, 2014. (Photo by Shamil Zhumatov/Reuters)