A Russian made all terrain vehicle waits to transport crew members from the inflatable medical tent to their helicopters, Friday, April 30, 2004, following the landing of Expedition 8 in north central Kazakhstan. Commander Michael Foale, Soyuz Flight Engineer Alexander Kaleri and European Space Agency astronaut Andre Kuipers, of the Netherlands landed in a Soyuz TMA-3 capsule. Foale and Kaleri completed 195 days in space aboard the International Space Station, while Kuipers returned after an 11-day research mission as part of a commercial agreement between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-19 spacecraft with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin is rolled by technicians in order to assist with getting the crew out of the capsule, near Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 12 Commander Bill McArthur rest onboard a Russian helicopter that will take him from the landing site to Kustanay, Kazakhstan. Expedition 12 returned to Earth and landed in the steppes of Kazakhstan onboard a Soyuz TMA-7 spacecraft that touched down at 7:48 p.m. EDT on Sunday, April 9, 2006. Returning with Commander Bill McArthur and Flight Engineer Valery Tokarev was Brazil’s first astronaut, Marcos Pontes, who arrived at the station with Expedition 13 on April 1. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-22 spacecraft is seen as it lands with Expedition 30 Commander Dan Burbank, and Flight Engineers Anton Shkaplerov and Anatoly Ivanishin in a remote area outside of the town of Arkalyk, Kazakhstan, on Friday, April 27, 2012. NASA Astronaut Burbank, Russian Cosmonauts Shkaplerov and Ivanishin are returning from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

Expedition 8 Commander Mike Foale exits an all terrain vehicle and prepares to enter a Russian MI-8 helicopter for the flight to Kustanai, Kazakhstan after he, Soyuz Flight Engineer Alexander Kaleri and European Space Agency astronaut Andre Kuipers, of the Netherlands, landed in north central Kazakhstan, Friday, April 30, 2004, in a Soyuz TMA-3 capsule. Foale and Kaleri completed 195 days in space aboard the International Space Station, while Kuipers returned after an 11-day research mission as part of a commercial agreement between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Ground support personnel are seen at the landing site after the Soyuz TMA-13M spacecraft landed with Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos), NASA Flight Engineer Reid Wiseman and Flight Engineer Alexander Gerst of the European Space Agency (ESA) near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 11 astronaut John Phillips is helped out of the Soyuz capsule, Tuesday, Oct. 11, 2005, after landing near Arlalyk, Kazakhstan. Phillips and Expedition 11 cosmonaut Sergei Krikalev, landed after a six-month mission in orbit. Along with American businessman Greg Olsen, who visited the station for more than a week, Phillips and Krikalev returned to Earth aboard a Russian Soyuz spacecraft. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

The Mayor of Arkalyk, right, waits to board a Russian Search and Rescue helicopter for take off in support of the Soyuz TMA-02M spacecraft landing with Expedition 29 Commander Mike Fossum, and Flight Engineers Sergei Volkov and Satoshi Furukawa in Arkalyk, Kazakhstan, on Tuesday, Nov. 22, 2011. NASA Astronaut Fossum, Russian Cosmonaut Volkov and JAXA (Japan Aerospace Exploration Agency) Astronaut Furukawa are returning from more than five months onboard the International Space Station where they served as members of the Expedition 28 and 29 crews. Photo Credit: (NASA/Bill Ingalls)

A Russian doctor monitors Expedition 20 Flight Engineer Michael Barratt onboard a helicopter heading to Kustanay, Kazakhstan shortly after Barratt, Expedition 20 Commander Gennady Padalka, and spaceflight participant Guy Laliberté landed their Soyuz TMA-14 capsule near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 20 Flight Engineer Michael Barratt rests in a chair shortly after he and Spaceflight participant Guy Laliberté, and Expedition 20 Commander Gennady Padalka landed in their Soyuz TMA-14 capsule near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 10 Commander Leroy Chiao, second from right, is helped onto a Russian search and rescue helicopter after he, Flight Engineer Salizhan Sharipov and European Space Agency astronaut Roberto Vittori brought their Soyuz TMA-5 capsule to a pre-dawn landing, Monday, April 25, 2005, northeast of the town of Arkalyk in Kazakhstan. Chiao and Sharipov completed a six-month mission aboard the International Space Station, while Vittori, who flew under a commercial contract between ESA and the Russian Federal Space Agency, completed a ten-day mission. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue helicopters are seen out the window of another helicopter carrying Expedition 20 Flight Engineer Michael Barratt shortly after shortly after he and Expedition 20 Commander Gennady Padalka, and spaceflight participant Guy Laliberté landed their Soyuz TMA-14 capsule near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

The main parachute for the Soyuz capsule is prepared for folding, Friday, April 30, 2004, following the landing of the Expedition 8. Commander Michael Foale, Soyuz Flight Engineer Alexander Kaleri and European Space Agency astronaut Andre Kuipers of the Netherlands landed in north central Kazakhstan in a Soyuz TMA-3 capsule. Foale and Kaleri completed 195 days in space aboard the International Space Station, while Kuipers returned after an 11-day research mission as part of a commercial agreement between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Expedition 8 Commander Michael Foale signs the inside of the Russian search and rescue helicopter as is tradition for returning cosmonauts, after he, Soyuz Flight Engineer Alexander Kaleri and European Space Agency astronaut Andre Kuipers, of the Netherlands, landed in north central Kazakhstan, Friday, April 30, 2004, in a Soyuz TMA-3 capsule. Foale and Kaleri completed 195 days in space aboard the International Space Station, while Kuipers returned after an 11-day research mission as part of a commercial agreement between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Expedition 12 Commander Bill McArthur signs the interior of the Russian helicopter that will take him from the landing site to Kustanay, Kazakhstan. Expedition 12 returned to Earth and landed in the steppes of Kazakhstan onboard a Soyuz TMA-7 spacecraft that touched down at 7:48 p.m. EDT, Sunday, April 9, 2006. Returning with Commander Bill McArthur and Flight Engineer Valery Tokarev was Brazil’s first astronaut, Marcos Pontes, who arrived at the station with Expedition 13 on April 1. Photo Credit: (NASA/Bill Ingalls)

Ground support personnel are seen at the landing site after the Soyuz TMA-13M spacecraft landed with Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos), NASA Flight Engineer Reid Wiseman and Flight Engineer Alexander Gerst of the European Space Agency (ESA) near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-18 spacecraft is seen as it lands with Expedition 24 Commander Alexander Skvortsov and Flight Engineers Tracy Caldwell Dyson and Mikhail Kornienko near the town of Arkalyk, Kazakhstan on Saturday, Sept. 25, 2010. Russian Cosmonauts Skvortsov and Kornienko and NASA Astronaut Caldwell Dyson, are returning from six months onboard the International Space Station where they served as members of the Expedition 23 and 24 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 41 Flight Engineer Alexander Gerst of the European Space Agency (ESA) is carried in a chair to a medical tent after he and Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos), and NASA Flight Engineer Reid Wiseman landed in their Soyuz TMA-13M capsule in a remote area near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

A Russian Search and Rescue helicopter and crew awaits the arrival of an all terrain vehicle carrying Expedition 25 Flight Engineer Fyodor Yurchikhin from the medical tent shortly after he and Expedition 25 Commander Doug Wheelock and Flight Engineer Shannon Walker landed in the Soyuz TMA-19 spacecraft near Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 41 Flight Engineer Reid Wiseman of NASA is helped out of the Soyuz Capsule just minutes after he and Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos) and Flight Engineer Alexander Gerst of the European Space Agency (ESA) landed in their Soyuz TMA-13M capsule in a remote area near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 29 Commander Mike Fossum smiles as he rest outside the Soyuz TMA-02M Capsule just minutes after he and Expedition 29 Flight Engineers Sergei Volkov and Satoshi Furukawa landed in a remote area outside of the town of Arkalyk, Kazakhstan, on Tuesday, Nov. 22, 2011. NASA Astronaut Fossum, Russian Cosmonaut Volkov and JAXA (Japan Aerospace Exploration Agency) Astronaut Furukawa are returning from more than five months onboard the International Space Station where they served as members of the Expedition 28 and 29 crews. Photo Credit: (NASA/Bill Ingalls)

Divits made by the landing jets of the Soyuz capsule, background, are seen after touchdown, Tuesday, Oct. 11, 2005, near Arlalyk, Kazakhstan. Members of the 11th expedition to the international space station, astronaut John Phillips and cosmonaut Sergei Krikalev landed after a six-month mission in orbit. Along with American businessman Greg Olsen, who visited the station for more than a week, Phillips and Krikalev returned to Earth aboard a Russian Soyuz spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 10 Commander Leroy Chiao is carried to an inflatable medical tent after pre-dawn landing in the Soyuz TMA-5 capsule Monday, April 25, 2005 northeast of the town of Arkalyk, Kazakhstan. Chiao and Expedition 10 Flight Engineer Salizhan Sharipov wrapped up a six-month mission aboard the International Space Station. European Space Agency astronaut Roberto Vittori completed a ten-day mission aboard the ISS under a commercial contract between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Expedition 41 Flight Engineer Reid Wiseman of NASA is helped out of the Soyuz Capsule just minutes after he and Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos) and Flight Engineer Alexander Gerst of the European Space Agency (ESA) landed in their Soyuz TMA-13M capsule in a remote area near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 33 Flight Engineer Yuri Malenchenko of ROSCOSMOS (Russian Federal Space Agency) rest in a chair outside the Soyuz Capsule after he and Commander Sunita Williams of NASA, and Flight Engineer Akihiko Hoshide of JAXA (Japan Aerospace Exploration Agency), landed their Soyuz spacecraft in a remote area outside the town of Arkalyk, Kazakhstan, on Monday, Nov. 19, 2012. Williams, Hoshide and Malenchenko returned from four months onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue force vehicles and helicopter arrive within seconds of the Soyuz TMA-14 spacecraft landing with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Astronaut John Phillips, left, enjoys a meal onboard a Russian aircraft flying from Kustanay, Kazakhstan to Stary City, Russia, Tuesday, Oct. 11, 2005. Sitting with Philiips is NASA Flight Surgeon Jim Locke. Members of the 11th expedition to the international space station, Phillips and cosmonaut Sergei Krikalev, landed near Arlalyk, Kazakhstan after a six-month mission in orbit. Along with American businessman Greg Olsen, who visited the station for more than a week, Phillips and Krikalev returned to Earth aboard a Russian Soyuz spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 25 Soyuz Commander Fyodor Yurchikhin is carried to a nearby medical tent near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010, following the landing of the TMA-19 spacecraft. Russian Cosmonaut Yurchikhin and NASA Astronauts Doucg Wheelock and Shannon Walker, returned from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 26 Commander Scott Kelly wears a blue wrist band that has a peace symbol, a heart and the word "Gabby" to show his love of his sister-in-law U.S. Rep. Gabrielle Giffords as he rest onboard a Russian Search and Rescue helicopter shortly after he and fellow crew members Oleg Skripochka and Alexander Kaleri landed in their Soyuz TMA-01M capsule near the town of Arkalyk, Kazakhstan on Wednesday, March 16, 2011. NASA Astronaut Kelly, Russian Cosmonauts Skripochka and Kaleri are returning from almost six months onboard the International Space Station where they served as members of the Expedition 25 and 26 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-18 spacecraft is seen as it lands with Expedition 24 Commander Alexander Skvortsov and Flight Engineers Tracy Caldwell Dyson and Mikhail Kornienko near the town of Arkalyk, Kazakhstan on Saturday, Sept. 25, 2010. Russian Cosmonauts Skvortsov and Kornienko and NASA Astronaut Caldwell Dyson, are returning from six months onboard the International Space Station where they served as members of the Expedition 23 and 24 crews. Photo Credit: (NASA/Bill Ingalls)

Seated left to right, Spaceflight participant Guy Laliberté, Expedition 20 Commander Gennady Padalka, Expedition 20 Flight Engineer Michael Barratt sit in chairs outside the Soyuz Capsule just minutes after they landed near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 24 Flight Engineers Tracy Caldwell Dyson, left, Commander Alexander Skvortsov, center and Mikhail Kornienko sit in chairs outside the Soyuz Capsule just minutes after they landed near the town of Arkalyk, Kazakhstan on Saturday, Sept. 25, 2010. Russian Cosmonauts Skvortsov and Kornienko and NASA Astronaut Caldwell Dyson, are returning from six months onboard the International Space Station where they served as members of the Expedition 23 and 24 crews. Photo Credit: (NASA/Bill Ingalls)

Soyuz Flight Engineer Alexander Kaleri is helped from the medical tent to the all terrain vehicle for transportation to a waiting helicopter for the flight to Kustanai, Kazakhstan, Friday, April 30, 2004, after he, Expedition 8 Commander Michael Foale, and European Space Agency astronaut Andre Kuipers of the Netherlands, landed in north central Kazakhstan in a Soyuz TMA-3 capsule. Foale and Kaleri completed 195 days in space aboard the International Space Station, while Kuipers returned after an 11-day research mission as part of a commercial agreement between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Expedition 24 Flight Engineer Mikhail Kornienko is helped out of the Soyuz TMA-18 spacecraft shortly after landing with fellow crew members Commander Alexander Skvortsov and Tracy Caldwell Dyson near the town of Arkalyk, Kazakhstan on Saturday, Sept. 25, 2010. Russian Cosmonauts Skvortsov and Kornienko and NASA Astronaut Caldwell Dyson, are returning from six months onboard the International Space Station where they served as members of the Expedition 23 and 24 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 41 light Engineer Alexander Gerst of the European Space Agency (ESA), left, Commander Max Suraev of the Russian Federal Space Agency (Roscosmos), center, and NASA Flight Engineer Reid Wiseman, sit in chairs outside the Soyuz TMA-13M capsule just minutes after they landed in a remote area near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 24 Flight Engineer Mikhail Kornienko is carried to the medical tent shortly after landing in the Soyuz TMA-18 spacecraft with fellow crew members Commander Alexander Skvortsov and Tracy Caldwell Dyson near the town of Arkalyk, Kazakhstan on Saturday, Sept. 25, 2010. Russian Cosmonauts Skvortsov and Kornienko and NASA Astronaut Caldwell Dyson, are returning from six months onboard the International Space Station where they served as members of the Expedition 23 and 24 crews. Photo Credit: (NASA/Bill Ingalls)

NASA Flight Surgeon Ed Powers, left, laughs as Expedition 20 Flight Engineer Michael Barratt talks about how strange, weight and gravity feel when holding a bottle of water shortly after Barratt, Expedition 20 Commander Gennady Padalka, and spaceflight participant Guy Laliberté landed their Soyuz TMA-14 capsule near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 12 Commander and International Space Station Science Officer, Bill McArthur waits onboard a helicopter before transferring to an airplane and a flight back to Moscow from Kustanay, Kazakhstan. Expedition 12 returned to Earth and landed in the steppes of Kazakhstan. The Soyuz TMA-7 spacecraft touched down at 7:48 p.m. EDT, Sunday, April 9, 2006. Returning with Commander Bill McArthur were Flight Engineer Valery Tokarev and Brazil’s first astronaut, Marcos Pontes, who arrived at the station with Expedition 13 on April 1. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue teams and medical personnel help Expedition 25 Commander Doug Wheelock out of the Soyuz TMA-19 spacecraft shortly after the capsule landed with him, Expedition 25 Flight Engineer Shannon Walker and Flight Engineer Fyodor Yurchikhin near Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Women in traditional Kazakh dress wait to welcome Expedition 16 Commander Peggy Whitson, Flight Engineer and Soyuz Commander Yuri Malenchenko and South Korean spaceflight participant So-yeon Yi at the Kustanay airport in Kazakhstan, Friday, April 19, 2008. Whitson, Malenchenko and Yi landed their Soyuz TMA-11 capule in central Kazakhstan to complete 192 days in space for Whitson and Malenchenko and 11 days in orbit for Yi. Photo Credit: (NASA/Bill Ingalls)

Ground support personnel are seen at the landing site after the Soyuz TMA-13M spacecraft landed with Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos), NASA Flight Engineer Reid Wiseman and Flight Engineer Alexander Gerst of the European Space Agency (ESA) near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 26 Flight Engineer Oleg Skripochka rest in a chair shortly after he and fellow crew members Scott Kelly and Alexander Kaleri landed in their Soyuz TMA-01M capsule near the town of Arkalyk, Kazakhstan on Wednesday, March 16, 2011. NASA Astronaut Kelly, Russian Cosmonauts Skripochka and Kaleri are returning from almost six months onboard the International Space Station where they served as members of the Expedition 25 and 26 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 30 Commander Dan Burbank is seen as he rests outside the Soyuz TMA-22 Capsule just minutes after he and Expedition 30 Flight Engineers Anton Shkaplerov and Anatoly Ivanishin landed in a remote area outside of the town of Arkalyk, Kazakhstan, on Friday, April 27, 2012. NASA Astronaut Burbank, Russian Cosmonauts Shkaplerov and Ivanishin are returning from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-18 spacecraft is seen as it lands with Expedition 24 Commander Alexander Skvortsov and Flight Engineers Tracy Caldwell Dyson and Mikhail Kornienko near the town of Arkalyk, Kazakhstan on Saturday, Sept. 25, 2010. Russian Cosmonauts Skvortsov and Kornienko and NASA Astronaut Caldwell Dyson, are returning from six months onboard the International Space Station where they served as members of the Expedition 23 and 24 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-19 spacecraft is seen as it descends with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 25 Flight Engineer Shannon Walker is carried to a nearby medical tent following the landing of the Soyuz TMA-19 spacecraft near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Fyodor Yurchikhin and NASA Astronauts Doug Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 29 Commander Mike Fossum, left, Flight Engineers Sergei Volkov, center, and Satoshi Furukawa, sit in chairs outside the Soyuz TMA-02M Capsule just minutes after they landed in a remote area outside the town of Arkalyk, Kazakhstan, on Tuesday, Nov. 22, 2011. NASA Astronaut Fossum, Russian Cosmonaut Volkov and JAXA (Japan Aerospace Exploration Agency) Astronaut Furukawa are returning from more than five months onboard the International Space Station where they served as members of the Expedition 28 and 29 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 41 Flight Engineer Reid Wiseman of NASA rests in a chair outside the Soyuz Capsule just minutes after he and Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos) and Flight Engineer Alexander Gerst of the European Space Agency (ESA) landed in their Soyuz TMA-13M capsule in a remote area near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

William S. McArthur Jr., Expedition 12 Commander and Space Station Science Officer, waves to some of the crowd on hand in the steppes of Kazakhstan to greet the three crewmembers returning to Earth from the International Space Station in the Soyuz TMA-7 spacecraft on Sunday, April 9, 2006. Returning with McArthur, Flight Engineer Valery Tokarev and Brazil’s first astronaut, Marcos Pontes, who arrived at the station with Expedition 13 on April 1. Photo Credit: (NASA/Bill Ingalls)

A Russian search and rescue all terrain vehicle (ATV) drives Expedition 41 Flight Engineer Reid Wiseman of NASA from the medical tent to his awaiting helicopter after he and Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos) and Flight Engineer Alexander Gerst of the European Space Agency (ESA) landed in their Soyuz TMA-13M capsule in a remote area near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

Ground support personnel work to extract Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos), NASA Flight Engineer Reid Wiseman and Flight Engineer Alexander Gerst of the European Space Agency (ESA) from the Soyuz TMA-13M spacecraft after it landed near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 41 Flight Engineer Reid Wiseman of NASA is helped from a Russian search and rescue all terrain vehicle (ATV) to his awaiting helicopter after he and Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos) and Flight Engineer Alexander Gerst of the European Space Agency (ESA) landed in their Soyuz TMA-13M capsule in a remote area near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

Chief of NASA's Astronaut office, Steve Lindsey, receives information at the Arkalyk airport in Kazakhstan, Friday, April 19, 2008, on the landing of the Expedition 16 crew in the Soyuz TMA-11 capsule. The Soyuz made a ballistic landing, touching down more then 400 kilometers short of the intended target in central Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 20 Flight Engineer Michael Barratt signs an autograph inside a helicopter shortly after shortly after he and Expedition 20 Commander Gennady Padalka, and spaceflight participant Guy Laliberté landed their Soyuz TMA-14 capsule near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Steve Lindsey, Chief of NASA's Astronaut office, left, and Michael Sufferdini, International Station Program Manager, examine a map of central Kazakhstan as they received information at the Arkalyk airport April 19, 2008 on the landing of the Expedition 16 crew in the Soyuz TMA-11 capsule. The Soyuz made a ballistic landing, touching down more then 400 kilometers short of the intended target, but the crew reported by satellite phone to recovery forces that they were in good shape. Photo Credit: (NASA/Bill Ingalls)

Expedition 20 Flight Engineer Michael Barratt signs the inside of his helicopter shortly after shortly after he and Expedition 20 Commander Gennady Padalka, and spaceflight participant Guy Laliberté landed their Soyuz TMA-14 capsule near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Russian flight suits lie on the ground outside the inflatable medical tent, Monday, April 25, 2005, Arkalyk, Kazakhstan. Expedition 10 Commander Leroy Chiao, Flight Engineer Salizhan Sharipov and European Space Agency astronaut Roberto Vittori brought their Soyuz TMA-5 capsule to a pre-dawn landing April 25 northeast of the town of Arkalyk in Kazakhstan to wrap up a six-month mission aboard the International Space Station for Chiao and Sharipov, and a ten-day mission for Vittori, who flew under a commercial contract between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Ground support personnel are seen at the landing site after the Soyuz TMA-13M spacecraft landed with Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos), NASA Flight Engineer Reid Wiseman and Flight Engineer Alexander Gerst of the European Space Agency (ESA) near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 20 Flight Engineer Michael Barratt rests in a chair and is checked by medical personnel shortly after he and Spaceflight participant Guy Laliberté, and Expedition 20 Commander Gennady Padalka landed in their Soyuz TMA-14 capsule near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 8 Commander Michael Foale is helped from the medical tent to an all terrain vehicle for transportation to a helicopter for the flight to Kustanai, Kazakhstan after he, Soyuz Flight Engineer Alexander Kaleri and European Space Agency astronaut Andre Kuipers, of the Netherlands, landed in north central Kazakhstan, Friday, April 30, 2004, in a Soyuz TMA-3 capsule. Foale and Kaleri completed 195 days in space aboard the International Space Station, while Kuipers returned after an 11-day research mission as part of a commercial agreement between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Russian support personnel work to help get crew members out of the Soyuz TMA-22 spacecraft shortly after the capsule landed with Expedition 30 Commander Dan Burbank, and Flight Engineers Anton Skhaplerov and Anatoly Ivanishin in a remote area outside of the town of Arkalyk, Kazakhstan, on Friday, April 27, 2012. NASA Astronaut Burbank, Russian Cosmonauts Shkaplerov and Ivanishin are returning from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

Soyuz Flight Engineer Alexander Kaleri relaxes in a chair after he and Expedition 8 Commander Michael Foale and European Space Agency astronaut Andre Kuipers, of the Netherlands, landed in north central Kazakhstan, Friday, April 30, 2004, in their Soyuz TMA-3 capsule. Foale and Kaleri completed 195 days in space aboard the International Space Station, while Kuipers returned after an 11-day research mission as part of a commercial agreement between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Expedition 29 Commander Mike Fossum smiles as he is helped from a Russian Search and Rescue all terrain vehicle (ATV) to his helicopter after he and Expedition 29 Flight Engineers Sergei Volkov and Satoshi Furukawa landed in their Soyuz TMA-02M spacecraft in a remote area outside of the town of Arkalyk, Kazakhstan, on Tuesday, Nov. 22, 2011. NASA Astronaut Fossum, Russian Cosmonaut Volkov and JAXA (Japan Aerospace Exploration Agency) Astronaut Furukawa are returning from more than five months onboard the International Space Station where they served as members of the Expedition 28 and 29 crews. Photo Credit: (NASA/Bill Ingalls)

Chief of the NASA Astronaut office, Steve Lindsey, left, and interpreter Paul Kharmats wait at the Arkalyk airport in Kazakhstan as Russian helicopters are refueled, Friday, April 19, 2008. Arkalyk was used as one of the helicopter staging areas for the landing of the Soyuz TMA-11 spacecraft carrying Expedition 16 Commander Peggy Whitson, Flight Engineer and Soyuz Commander Yuri Malenchenko and South Korean spaceflight participant So-yeon Yi. The Soyuz made a ballistic landing, touching down more then 400 kilometers short of the intended target in central Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 30 Commander Dan Burbank is helped into a helicopter shortly after he and Expedition 30 Flight Engineers Anton Shkaplerov and Anatoly Ivanishin landed in a remote area outside of the town of Arkalyk, Kazakhstan, on Friday, April 27, 2012. NASA Astronaut Burbank, Russian Cosmonauts Shkaplerov and Ivanishin are returning from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

Expedition 20 Commander Gennady Padalka is helped of the Soyuz capsule shortly after he and Spaceflight participant Guy Laliberté, and Expedition 20 Flight Engineer Michael Barratt landed in their Soyuz TMA-14 capsule near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 10 Commander Leroy Chiao, right, Flight Engineer Salizhan Sharipov and European Space Agency astronaut Roberto Vittori brought their Soyuz TMA-5 capsule to a pre-dawn landing on Monday, April 25, 2005 northeast of the town of Arkalyk in Kazakhstan to wrap up a six-month mission aboard the International Space Station for Chiao and Sharipov. Vittori completed a ten-day mission aboard the ISS under a commercial contract between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-22 spacecraft is seen as it lands with Expedition 30 Commander Dan Burbank, and Flight Engineers Anton Shkaplerov and Anatoly Ivanishin in a remote area outside of the town of Arkalyk, Kazakhstan, on Friday, April 27, 2012. NASA Astronaut Burbank, Russian Cosmonauts Shkaplerov and Ivanishin are returning from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

Expedition 30 Commander Dan Burbank is helped out of a Russian All-Terrain vehicle shortly after he and Expedition 30 Flight Engineers Anton Shkaplerov and Anatoly Ivanishin landed in a remote area outside of the town of Arkalyk, Kazakhstan, on Friday, April 27, 2012. NASA Astronaut Burbank, Russian Cosmonauts Shkaplerov and Ivanishin are returning from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

Expedition 10 Flight Engineer and Soyuz Commander Salizhan Sharipov sits in a chair after being pulled out of the Soyuz TMA-5 capsule, which landed northeast of the town of Arkalyk, Kazakhstan on Monday, April 25, 2005. Photo Credit: (NASA/Bill Ingalls)

Expedition 11 cosmonaut Sergei Krikalev smiles after landing, Tuesday, Oct. 11, 2005, near Arlalyk, Kazakhstan. Krikalev and NASA astronaut John Phillips landed after a six-month mission in orbit. Along with American businessman Greg Olsen, who visited the station for more than a week, Phillips and Krikalev returned to Earth aboard a Russian Soyuz spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 30 flight engineer Anton Shkaplerov rests outside the Soyuz TMA-22 Capsule just minutes after he and Expedition 30 Commander Dan Burbank and flight engineer Anatoly Ivanishin landed in a remote area outside of the town of Arkalyk, Kazakhstan, on Friday, April 27, 2012. Shkaplerov, Burbank, and Ivanishin are returning from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

Russian search and rescue helicopters refuel in Arkalyk, Kazakhstan prior to the landing of the Soyuz TMA-18 spacecraft with Expedition 24 Commander Alexander Skvortsov and Flight Engineers Tracy Caldwell Dyson and Mikhail Kornienko on Saturday, Sept. 25, 2010. Russian Cosmonauts Skvortsov and Kornienko and NASA Astronaut Caldwell Dyson, are returning from six months onboard the International Space Station where they served as members of the Expedition 23 and 24 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 26 Flight Engineer Alexander Kaleri rest in a chair shortly after he and fellow crew members Scott Kelly and Oleg Skripochka landed in their Soyuz TMA-01M capsule near the town of Arkalyk, Kazakhstan on Wednesday, March 16, 2011. NASA Astronaut Kelly, Russian Cosmonauts Skripochka and Kaleri are returning from almost six months onboard the International Space Station where they served as members of the Expedition 25 and 26 crews. Photo Credit: (NASA/Bill Ingalls)

Soyuz Flight Engineer Alexander Kaleri is carried in a chair from the Soyuz landing site to an inflatable medical tent after he and Expedition 8 Commander Mike Foale and European Space Agency astronaut Andre Kuipers, of the Netherlands, landed in north central Kazakhstan, Friday, April 30, 2004, in a Soyuz TMA-3 capsule. Foale and Kaleri completed 195 days in space aboard the International Space Station, while Kuipers returned after an 11-day research mission as part of a commercial agreement between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Expedition 41 Flight Engineer Reid Wiseman of NASA rests in a chair outside the Soyuz Capsule just minutes after he and Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos) and Flight Engineer Alexander Gerst of the European Space Agency (ESA) landed in their Soyuz TMA-13M capsule in a remote area near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 30 flight engineer and Russian cosmonaut Anatoly Ivanishin is seen as he is extracted from the Soyuz TMA-22 spacecraft shortly after the capsule landed with Expedition 30 Commander Dan Burbank and flight engineer Anton Shkaplerov in a remote area outside of the town of Arkalyk, Kazakhstan on Friday, April 27, 2012. Ivanishin, Burbank and Shkaplerov are returning from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos) rests in a chair outside the Soyuz Capsule just minutes after he and NASA Flight Engineer Reid Wiseman, and Flight Engineer Alexander Gerst of the European Space Agency (ESA) landed in their Soyuz TMA-13M capsule in a remote area near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos) rests in a chair outside the Soyuz Capsule just minutes after he and NASA Flight Engineer Reid Wiseman, and Flight Engineer Alexander Gerst of the European Space Agency (ESA) landed in their Soyuz TMA-13M capsule in a remote area near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 30 Commander Dan Burbank signs his autograph for Russian crew support personnel, Friday, April 27, 2012 in a remote area outside of the town of Arkalyk, Kazakhstan. Astronaut Burbank, Russian Cosmonauts Shkaplerov and Ivanishin are returning from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

A Russian Search and Rescue team All Terrain Vehicle (ATV) brings Expedition 20 Flight Engineer Michael Barratt to his helicopter shortly after he and Expedition 20 Commander Gennady Padalka, and spaceflight participant Guy Laliberté landed their Soyuz TMA-14 capsule near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

American businessman Greg Olsen gives a thumbs up after returning to earth aboard a Soyuz spacecraft, Tuesday, Oct. 11, 2005, near Arlalyk, Kazakhstan with Expedition 11 crew members cosmonaut Sergei Krikalev and NASA astronaut John Phillips. Olsen spent more than a week on the International Space Station and Phillips and Kiralev had a six-month mission. Photo Credit: (NASA/Bill Ingalls)

A Russian Search and Rescue helicopter lands near the Soyuz TMA-19 spacecraft shortly after touch down with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 20 Flight Engineer Michael Barratt, left, and Expedition 20 Commander Gennady Padalka, right, are carried in chairs to the medical tent shortly after they and Spaceflight participant Guy Laliberté landed in their Soyuz TMA-14 capsule near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Valery I. Tokarev, Russia’s Federal Space Agency Flight Engineer and Soyuz Commander; sees more people than he's seen in six months as personnel assist him in egressing his Soyuz spacecraft. Tokarev and William S. McArthur, Jr., NASA Commander and International Space Station Science Officer; along with Marcos C. Pontes representing the Brazilian Space Agency, returned to Earth onboard the Soyuz TMA-7 spacecraft. Touch down was on Sunday, April 9, 2006, in the steppes of Kazakhstan. Pontes arrived at the station with the Expedition 13 crew on April 1. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue force vehicles follow the Soyuz TMA-14 spacecraft as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

A Russian search and rescue all terrain vehicle (ATV) drives Expedition 41 Flight Engineer Alexander Gerst of the European Space Agency (ESA) from the medical tent to his awaiting helicopter after he and Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos), and NASA Flight Engineer Reid Wiseman landed in their Soyuz TMA-13M capsule in a remote area near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 8 Commander Michael Foale, left, Soyuz Flight Engineer Alexander Kaleri and European Space Agency astronaut Andre Kuipers, of the Netherlands, right, are seen seated after landing in north central Kazakhstan, Friday, April 30, 2004, in a Soyuz TMA-3 capsule. Foale and Kaleri completed 195 days in space aboard the International Space Station, while Kuipers returned after an 11-day research mission as part of a commercial agreement between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Russian and American personnel work at the landing site of the Soyuz TMA-18 spacecraft near the town of Arkalyk, Kazakhstan on Saturday, Sept. 25, 2010. The Soyuz TMA-18 spacecraft landed with Expedition 24 Commander Alexander Skvortsov and Flight Engineers Tracy Caldwell Dyson and Mikhail Kornienko onboard. The three returned from six months onboard the International Space Station where they served as members of the Expedition 23 and 24 crews. Photo Credit: (NASA/Bill Ingalls)

Russian ground crews walk around the Soyuz TMA-11 spacecraft after it landed carrying Expedition 16 Commander Peggy Whitson, Flight Engineer and Soyuz Commander Yuri Malenchenko and South Korean spaceflight participant So-yeon Yi, Friday, April 19, 2008, in central Kazakhstan to complete 192 days in space for Whitson and Malenchenko and 11 days in orbit for Yi. Photo Credit: (NASA/Reuters/Pool)

Expedition 29 Commander Mike Fossum performs the traditional signing of the inside the Russian Search and Rescue helicopter after he and Expedition 29 Flight Engineers Sergei Volkov and Satoshi Furukawa landed in their Soyuz TMA-02M spacecraft in a remote area outside of the town of Arkalyk, Kazakhstan, on Tuesday, Nov. 22, 2011. NASA Astronaut Fossum, Russian Cosmonaut Volkov and JAXA (Japan Aerospace Exploration Agency) Astronaut Furukawa are returning from more than five months onboard the International Space Station where they served as members of the Expedition 28 and 29 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 11 astronaut John Phillips is helped out of a Russian Search and Rescue all terrain vehicle, Tuesday, Oct. 11, 2005, after landing near Arlalyk, Kazakhstan. Members of the 11th expedition to the international space station, astronaut John Phillips and cosmonaut Sergei Krikalev landed after a six-month mission in orbit. Along with American businessman Greg Olsen, who visited the station for more than a week, Phillips and Krikalev returned to Earth aboard a Russian Soyuz spacecraft. Photo Credit: (NASA/Bill Ingalls)

A helicopter is silouhetted in the early morning sunlight awaiting transport of members of the 11th expedition to the international space station, Astronaut John Phillips and Cosmonaut Sergei Krikalev, following their touchdown near Arlalyk, Kazakhstan, Tuesday, Oct. 11, 2005. Along with American businessman Greg Olsen, who visited the station for more than a week, Phillips and Krikalev returned to Earth aboard a Russian Soyuz spacecraft. Photo Credit: (NASA/Bill Ingalls)

The Russian Sokol Suits are carried from the medical tent after the landing of the Soyuz TMA-7 spacecraft in the steppes of Kazakhstan. The Soyuz TMA-7 spacecraft touched down at 7:48 p.m. EDT on Saturday, April 9, 2006. Returning with Expedition 12 Commander Bill McArthur and Flight Engineer Valery Tokarev was Brazil’s first astronaut, Marcos Pontes, who arrived at the station with Expedition 13 on Sunday, April 1, 2006. Photo Credit: (NASA/Bill Ingalls)

Expedition 41 Flight Engineer Reid Wiseman of NASA gives a thumbs up from inside the Soyuz Capsule just minutes after he and Expedition 41 Commander Max Suraev of the Russian Federal Space Agency (Roscosmos) and Flight Engineer Alexander Gerst of the European Space Agency (ESA) landed in their Soyuz TMA-13M capsule in a remote area near the town of Arkalyk, Kazakhstan on Monday, Nov. 10, 2014. Suraev, Wiseman and Gerst returned to Earth after more than five months onboard the International Space Station where they served as members of the Expedition 40 and 41 crews. Photo Credit: (NASA/Bill Ingalls)