Russias Soyuz TMA-18M space capsule carrying the International Space Station crew of US astronaut Scott Kelly and Russian cosmonauts Mikhail Kornienko and Sergei Volkov lands in a remote area outside the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronauts Return To Earth
Ground personnel carry International Space Station (ISS) crew member Scott Kelly of the U.S. after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronauts Return To Earth
Ground personnel carry International Space Station (ISS) crew member Mikhail Kornienko of Russia after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronauts Return To Earth
International Space Station (ISS) crew member Scott Kelly of the U.S. shows a victory sign after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
International Space Station (ISS) crew member Scott Kelly of the U.S. reacts after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
International Space Station (ISS) crew member Scott Kelly of the U.S. reacts after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
Russian cosmonauts Mikhail Kornienko and Sergei Volkov and US astronaut Scott Kelly rest in chairs outside the Soyuz TMA-18M space capsule after they landed in a remote area outside the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
International Space Station (ISS) crew member Mikhail Kornienko of Russia reacts after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
Ground personnel help International Space Station (ISS) crew member Scott Kelly of the U.S. to get out of the Soyuz TMA-18M space capsule after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
International Space Station (ISS) crew member Sergei Volkov (R) of Russia looks at his father Soviet cosmonaut Aleksander Volkov (L) after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
Ground personnel carry International Space Station (ISS) crew member Sergei Volkov of Russia after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
Ground personnel help International Space Station (ISS) crew member Sergei Volkov of Russia to get out of the Soyuz TMA-18M space capsule after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
In this handout provided by NASA, The Soyuz TMA-18M spacecraft is seen as it lands with Expedition 46 Commander Scott Kelly of NASA and Russian cosmonauts Mikhail Kornienko and Sergey Volkov of Roscosmos on March 2, 2016 near the town of Zhezkazgan, Kazakhstan.(Photo by Bill Ingalls/NASA via Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
Medics check International Space Station (ISS) crew member Mikhail Kornienko of Russia after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
International Space Station (ISS) crew member Mikhail Kornienko of Russia is seen inside the Soyuz TMA-18M space capsule after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
A search and rescue team works at the site of landing of the Soyuz TMA-18M space capsule carrying the International Space Station (ISS) crew of US astronaut Scott Kelly and Russian cosmonauts Mikhail Kornienko and Sergei Volkov outside the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
Russian cosmonauts Mikhail Kornienko, left, Sergey Volkov of Roscosmos, center, and Expedition 46 Commander Scott Kelly of NASA, rest in a chairs outside of the Soyuz TMA-18M spacecraft minutes after landingin a remote area near Zhezkazgan, Kazakhstan on Wednesday, March 2, 2016. (Photo Credit NASA/Bill Ingalls)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
In this handout provided by NASA, Expedition 46 Commander Scott Kelly of NASA rest in a chair outside of the Soyuz TMA-18M spacecraft just minutes after he and Russian cosmonauts Mikhail Kornienko and Sergey Volkov of Roscosmos landed in a remote area on March 2, 2016 near the town of Zhezkazgan, Kazakhstan.(Photo by Bill Ingalls/NASA via Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
A search and rescue team works at the site of landing of the Soyuz TMA-18M space capsule near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
Scott Kelly of NASA outside of the Soyuz TMA-18M spacecraft just minutes after he and Russian cosmonauts Mikhail Kornienko and Sergey Volkov of Roscosmos landed in a remote area near the town of Zhezkazgan, Kazakhstan on March 2, 2016. Photo Credit: (NASA/Bill Ingalls)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
International Space Station (ISS) crew member Scott Kelly of the U.S. rests in a chair after landing near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
In this handout provided by NASA, Russian cosmonaut Mikhail Kornienko of Roscosmos rest in a chair outside of the Soyuz TMA-18M spacecraft just minutes after he and Expedition 46 Commander Scott Kelly of NASA and Russian cosmonaut Sergey Volkov landed in a remote area on March 2, 2016 near the town of Zhezkazgan, Kazakhstan.(Photo by Bill Ingalls/NASA via Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
In this handout provided by NASA, Russian cosmonaut Sergey Volkov of Roscosmos is carried into a medical tent after he and Expedition 46 Commander Scott Kelly of NASA and cosmonaut Mikhail Kornienko landed in a remote area on March 2, 2016 near the town of Zhezkazgan, Kazakhstan. (Photo by Bill Ingalls/NASA via Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
In this handout provided by NASA, Russian cosmonaut Mikhail Kornienko of Roscosmos is carried into a medical tent after he and Expedition 46 Commander Scott Kelly of NASA and Russian cosmonaut Sergey Volkov landed in their Soyuz TMA-18M spacecraft in a remote area on March 2, 2016 near the town of Zhezkazgan, Kazakhstan. (Photo by Bill Ingalls/NASA via Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
In this handout provided by NASA, The Soyuz TMA-18M spacecraft landing site is seen through the window of an arriving Russian MI-8 helicopter after Expedition 46 Commander Scott Kelly of NASA and Russian cosmonauts Mikhail Kornienko and Sergey Volkov of Roscosmos landed in their capsule on March 2, 2016 near the town of Zhezkazgan, Kazakhstan.(Photo by Bill Ingalls/NASA via Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
A search and rescue team works at the site of landing of the Soyuz TMA-18M space capsule near the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
Astronaut Scott Kelly, Russian Cosmonauts Return To Earth
Members of NASA support team help International Space Station (ISS) crew member Scott Kelly of the U.S. to get off a helicopter on arrival from the landing site at the airport of the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. (Photo credit KIRILL KUDRYAVTSEV/AFP/Getty Images)
