The flags of Malaysia, Russia and the United States sit between the phones used by officials to speak with the crew of the International Space Station (ISS) in the Russian Mission Control Center in Korolev, outside Moscow, Friday, Oct. 12, 2007. Expedition 16 Commander Peggy Whitson, Soyuz Commander and Flight Engineer Yuri Malenchenko and Malaysian spaceflight participant Sheikh Muszaphar Shukor docked their Soyuz TMA-11 spacecraft to the ISS at 10:50 a.m. EDT, October 12. The crew launched on Wednesday from the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Live video from the Soyuz TMA-11 spacecraft of the International Space Station is shown on the screen in the upper right in the Russian Mission Control Center in Korolev, outside Moscow, Friday, Oct. 12, 2007. Expedition 16 Commander Peggy Whitson, Soyuz Commander and Flight Engineer Yuri Malenchenko and Malaysian spaceflight participant Sheikh Muszaphar Shukor docked their Soyuz TMA-11 spacecraft to the ISS at 10:50 a.m. EDT, October 12. The crew launched on Wednesday from the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Live video from the Soyuz TMA-11 spacecraft of the International Space Station is shown on the screen in the Russian Mission Control Center in Korolev, outside Moscow, Friday, Oct. 12, 2007. Expedition 16 Commander Peggy Whitson, Soyuz Commander and Flight Engineer Yuri Malenchenko and Malaysian spaceflight participant Sheikh Muszaphar Shukor docked their Soyuz TMA-11 spacecraft to the ISS at 10:50 a.m. EDT, October 12. The crew launched on Wednesday from the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Live video from the International Space Station is shown on the screen in the Russian Mission Control Center in Korolev, outside Moscow, Friday, Oct. 12, 2007. Expedition 16 Commander Peggy Whitson, bottom right, Soyuz Commander and Flight Engineer Yuri Malenchenko, bottom center, and Malaysian spaceflight participant Sheikh Muszaphar Shukor docked their Soyuz TMA-11 spacecraft to the station at 10:50 a.m. EDT. October 12. Expedition 15 Commander Fyodor Yurchikhin, top left, and Flight Engineers Oleg Kotov and Clay Anderson, top right, welcomed the new crew aboard the ISS when the hatches were opened at 12:22 p.m. EDT. Both crews will work together for about nine days before Yurchikhin, Kotov and Shukor depart for Earth in their Soyuz TMA-10 spacecraft. Photo Credit: (NASA/Bill Ingalls)

S123-E-005936 (13 March 2008) --- STS-123 and Expedition 16 crewmembers onboard the International Space Station work in the Columbus laboratory while Space Shuttle Endeavour is docked with the station. Pictured are NASA astronauts Peggy Whitson, Expedition 16 commander; Garrett Reisman (right), Expedition 16 flight engineer; Gregory H. Johnson (lower left), STS-123 pilot; Mike Foreman (center) and European Space Agency (ESA) astronaut Leopold Eyharts, both STS-123 mission specialists.

ISS015-E-34617 (16 Oct. 2007) --- The crewmembers onboard the International Space Station pose for a group photo in the Destiny laboratory of the International Space Station. From the left (front row) are cosmonauts Oleg V. Kotov and Fyodor N. Yurchikhin, Expedition 15 flight engineer and commander, respectively, representing Russia's Federal Space Agency; and Malaysian spaceflight participant Sheikh Muszaphar Shukor. From the left (back row) are cosmonaut Yuri I. Malenchenko, Expedition 16 flight engineer representing Russia's Federal Space Agency; NASA astronaut Peggy A. Whitson, Expedition 16 commander; and NASA astronaut Clay Anderson, Expedition 15/16 flight engineer.

ISS016-E-036367 (17 April 2008) --- The crewmembers onboard the International Space Station pose for a group portrait during the ceremony of Changing-of-Command from Expedition 16 to Expedition 17 in the Harmony node. From the right (front row) are NASA astronaut Peggy Whitson, Expedition 16 commander; and Russian Federal Space Agency cosmonaut Yuri Malenchenko, Expedition 16 flight engineer. From the right (back row) are Russian Federal Space Agency cosmonauts Oleg Kononenko, Expedition 17 flight engineer; Sergei Volkov, Expedition 17 commander; and NASA astronaut Garrett Reisman, flight engineer.

ISS040-E-069066 (16 July 2014) --- Surrounded by the blackness of space, the Orbital Sciences? Cygnus cargo craft is photographed by an Expedition 40 crew member onboard the International Space Station during rendezvous and capture operations. The two spacecraft converged at 6:36 a.m. (EDT) on July 16, 2014.

ISS042E277376 (02/16/2015) --- U.S. astronaut Barry "Butch" Wilmore checks out his spacesuit in preparation for an extravehicular activity (EVA) or spacewalk. Wilmore is the commander of Expedition 42 onboard the International Space Station.

S122-E-007035 (9 Feb. 2008) --- Astronaut Alan Poindexter, STS-122 pilot, greets astronaut Peggy Whitson, Expedition 16 commander, as the Atlantis crew joined the ISS crewmembers onboard the orbiting outpost.

ISS015-E-34302 (12 Oct. 2007) --- Russia's Federal Space Agency cosmonaut Yuri Malenchenko, Soyuz commander and Expedition 16 flight engineer, is seen onboard the International Space Station on docking day.

ISS002-E-5655 (16 April 2001) --- A detailed vertical view of San Diego, California, was provided by a digital still camera by the Expedition Two crew onboard the International Space Station (ISS).

ISS016-E-024679 (22 Jan. 2008) --- Astronaut Daniel Tani, Expedition 16 flight engineer, works out on the Treadmill Vibration Isolation System (TVIS) onboard the International Space Station.

ISS015-E-34389 (12 Oct. 2007) --- Malaysian spaceflight participant Sheikh Muszaphar Shukor waves to an Expedition 15 crewmember (out of frame) as he ingresses the International Space Station after arriving onboard a Soyuz spacecraft with two Expedition 16 crewmembers.

ISS015-E-34392 (12 Oct. 2007) --- Malaysian spaceflight participant Sheikh Muszaphar Shukor shakes hands with an Expedition 15 crewmember (out of frame) as he ingresses the International Space Station after arriving onboard a Soyuz spacecraft with two Expedition 16 crewmembers.

ISS016-E-009791 (5 Nov. 2007) --- Backdropped by a blue and white Earth, Space Shuttle Discovery is featured in this image photographed by an Expedition 16 crewmember after the shuttle undocked from the International Space Station. Earlier the STS-120 and Expedition 16 crews concluded 11 days of cooperative work onboard the shuttle and station. Undocking of the two spacecraft occurred at 4:32 a.m. (CST) on Nov. 5, 2007. A Soyuz spacecraft docked to the station is visible in the foreground.

ISS016-E-009775 (5 Nov. 2007) --- Backdropped by a blue and white Earth, Space Shuttle Discovery is featured in this image photographed by an Expedition 16 crewmember after the shuttle undocked from the International Space Station. Earlier the STS-120 and Expedition 16 crews concluded 11 days of cooperative work onboard the shuttle and station. Undocking of the two spacecraft occurred at 4:32 a.m. (CST) on Nov. 5, 2007. A Russian spacecraft docked to the station is visible at top.

ISS016-E-009764 (5 Nov. 2007) --- Backdropped by a blue and white Earth, Space Shuttle Discovery is featured in this image photographed by an Expedition 16 crewmember after the shuttle undocked from the International Space Station. Earlier the STS-120 and Expedition 16 crews concluded 11 days of cooperative work onboard the shuttle and station. Undocking of the two spacecraft occurred at 4:32 a.m. (CST) on Nov. 5, 2007.

ISS016-E-009752 (5 Nov. 2007) --- Backdropped by the blackness of space and Earth's horizon, Space Shuttle Discovery is featured in this image photographed by an Expedition 16 crewmember after the shuttle undocked from the International Space Station. Earlier the STS-120 and Expedition 16 crews concluded 11 days of cooperative work onboard the shuttle and station. Undocking of the two spacecraft occurred at 4:32 a.m. (CST) on Nov. 5, 2007.

ISS016-E-009765 (5 Nov. 2007) --- Backdropped by a blue and white Earth, Space Shuttle Discovery is featured in this image photographed by an Expedition 16 crewmember after the shuttle undocked from the International Space Station. Earlier the STS-120 and Expedition 16 crews concluded 11 days of cooperative work onboard the shuttle and station. Undocking of the two spacecraft occurred at 4:32 a.m. (CST) on Nov. 5, 2007.

ISS029-E-042997 (16 Nov. 2011) --- Members of the Expedition 29 crew assemble for a snack in the Zvezda module aboard the International Space Station shortly after the three recent arrivals were greeted onboard by an American and a Japanese astronaut and a Russian cosmonaut who have all been onboard for several months. In the left foreground is Russian cosmonaut Volkov, flight engineer. Commander Mike Fossum of NASA is in left background (facing camera). From top to bottom on the right side of the frame are the Nov. 16 arrivals -- Flight Engineers Dan Burbank of NASA and Anatoly Ivanishin of Russia, and Soyuz Commander Anton Shkaplerov of Russia. Satoshi Furukawa of the Japan Aerospace Exploration Agency is out of frame.

S123-E-006273 (15 March 2008) --- Astronauts Peggy Whitson and Gregory H. Johnson peer out of the Node 2, Harmony, during a brief break onboard the International Space Station. Whitson is in the midst of a long-term stay on ISS as Expedition 16 commander. Johnson is the STS-123 crew's pilot of Endeavour.

S120-E-006856 (26 Oct. 2007) --- Stepping into a busy regimen onboard the International Space Station, astronaut Daniel Tani greets the environment that he will be sharing with Expedition 16 crewmates for several months as he switches roles from STS-120 mission specialist to station flight engineer.

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)

Russian medical personnel monitor 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)

Astronaut Sunita WIlliams, left, talks with Expedition 20 Flight Engineer Michael Barratt onboard 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)

ISS036-E-012130 (25 June 2013) --- NASA astronaut Chris Cassidy (left) and European Space Agency astronaut Luca Parmitano, both Expedition 36 flight engineers, perform a Portable Onboard Computers (POC) Dynamic Onboard Ubiquitous Graphics (DOUG) software review in preparation for spacewalks scheduled for July 9 and July 16.

S123-E-006258 (15 March 2008) --- Astronaut Peggy Whitson, Expedition 16 commander, joins two members of the Space Shuttle Endeavour's STS-123 crew onboard Destiny, the U.S. laboratory. European Space Agency astronaut Leopold Eyharts, center, will return to Earth with the Endeavour crew after having served a couple of months as flight engineer onboard the station. Astronaut Robert L. Behnken, mission specialist, is at the station's Canadarm2 controls.

The International Space Station, with a crew of six onboard, is seen in silhouette as it transits the Moon at roughly five miles per second, Saturday, March 16, 2019 from Chantilly, Va. Onboard are Expedition 59 Commander Oleg Kononenko and Alexey Ovchinin of Roscosmos, Anne McClain, Nick Hague, and Christina Koch of NASA, and David Saint-Jacques of the Canadian Space Agency (CSA). Photo Credit: (NASA/Joel Kowsky)

ISS036-E-012131 (25 June 2013) --- NASA astronaut Chris Cassidy (left) and European Space Agency astronaut Luca Parmitano, both Expedition 36 flight engineers, perform a Portable Onboard Computers (POC) Dynamic Onboard Ubiquitous Graphics (DOUG) software review in preparation for spacewalks scheduled for July 9 and July 16.

This composite image, made from five frames, shows the International Space Station, with a crew of six onboard, as it transits the Moon at roughly five miles per second, Saturday, March 16, 2019 from Chantilly, Va. Onboard are Expedition 59 Commander Oleg Kononenko and Alexey Ovchinin of Roscosmos, Anne McClain, Nick Hague, and Christina Koch of NASA, and David Saint-Jacques of the Canadian Space Agency (CSA). Photo Credit: (NASA/Joel Kowsky)

The International Space Station, with a crew of six onboard, is seen in silhouette as it transits the Moon at roughly five miles per second, Saturday, March 16, 2019 from Chantilly, Va. Onboard are Expedition 59 Commander Oleg Kononenko and Alexey Ovchinin of Roscosmos, Anne McClain, Nick Hague, and Christina Koch of NASA and David Saint-Jacques of the Canadian Space Agency (CSA). Photo Credit: (NASA/Joel Kowsky)

S123-E-009202 (24 March 2008) --- Backdropped by Earth's horizon and the blackness of space, the International Space Station appears small from the point of view of the Space Shuttle Endeavour as the two spacecraft carry out their relative separation. Endeavour's vertical stabilizer is seen in this image photographed by a STS-123 crewmember onboard the shuttle. Earlier the STS-123 and Expedition 16 crews concluded 12 days of cooperative work onboard the shuttle and station. Undocking of the two spacecraft occurred at 7:25 p.m. (CDT) on March 24, 2008.

ISS040-E-068661 (16 July 2014) --- Looking through a window on the International Space Station, the capture of the Orbital Sciences? Cygnus cargo craft by the station?s Canadarm2 is photographed by an Expedition 40 crew member onboard the station. The two spacecraft converged at 6:36 a.m. (EDT) on July 16, 2014. Also visible in this image are the station?s Cupola and the Tranquility node (top). A blue and white part of Earth and the blackness of space provide the backdrop for the scene.

ISS003-E-5617 (16 September 2001) --- Appearing almost as a silhouette backdropped against Earth's horizon, the Russian Docking Compartment, named Pirs (the Russian word for pier), approaches the International Space Station (ISS). One of the Expedition Three crew members, using a digital still camera with a 70mm lens, recorded the image from onboard the orbital outpost. The vehicle was launched on September 14, 2001 and docking occurred on September 16.

ISS003-E-5620 (16 September 2001) --- The Russian Docking Compartment, named Pirs (the Russian word for pier), is only seconds away from docking with the International Space Station (ISS). One of the Expedition Three crew members, using a digital still camera with a 35mm lens, recorded the image from onboard the orbital outpost. The vehicle was launched on September 14, 2001 and docking occurred on September 16.

ISS003-E-5678 (16 September 2001) --- The Russian Docking Compartment, named Pirs, the Russian word for pier, approaches the International Space Station (ISS). One of the Expedition Three crew members, using a digital still camera with a 180mm lens, recorded the image from onboard the orbital outpost. The vehicle was launched on September 14, 2001 and docking occurred on September 16.

ISS003-E-5615 (16 September 2001) --- Appearing almost as a silhouette against Earth, the Russian Docking Compartment, named Pirs (the Russian word for pier), approaches the International Space Station (ISS). One of the Expedition Three crew members, using a digital still camera with a 70mm lens, recorded the image from onboard the orbital outpost. The vehicle was launched on September 14, 2001 and docking occurred on September 16.

ISS002-E-5657 (16 April 2001) --- San Diego, California, and the California border with Mexico were photographed with a digital still camera by the Expedition Two crew onboard the International Space Station (ISS). A 105mm lens was used for this frame. Other pictures taken in this April 16, 2001 series show different angles of the metropolitan area and utilize various lenses.

JSC2001-E-27145 (16 September 2001) --- The Russian Docking Compartment, named Pirs (the Russian word for pier), docks with the International Space Station (ISS). One of the Expedition Three crew members, using a video camera, recorded the rendezvous and docking from onboard the orbital outpost. The Pirs vehicle was launched on September 14, 2001, and docking occurred on September 16.

JSC2001-E-27146 (16 September 2001) --- The Russian Docking Compartment, named Pirs (the Russian word for pier), docks with the International Space Station (ISS). One of the Expedition Three crew members, using a video camera, recorded the rendezvous and docking from onboard the orbital outpost. The Pirs vehicle was launched on September 14, 2001 and docking occurred on September 16.

ISS003-E-5677 (16 September 2001) --- The Russian Docking Compartment, named Pirs, the Russian word for pier, approaches the International Space Station (ISS). One of the Expedition Three crew members, using a digital still camera with a 180mm lens, recorded the image from onboard the orbital outpost. The vehicle was launched on September 14, 2001 and docking occurred on September 16.

ISS040-E-068670 (16 July 2014) --- The capture of the Orbital Sciences? Cygnus cargo craft by the International Space Station?s Canadarm2 is photographed by an Expedition 40 crew member onboard the station. The two spacecraft converged at 6:36 a.m. (EDT) on July 16, 2014. Also visible in this image are the station?s Cupola and the Tranquility node (top). A blue and white part of Earth and the blackness of space provide the backdrop for the scene.

View out the window of the helicopter carrying Expedition 28 Flight Engineer Ron Garan from the Soyuz TMA-21 Capsule landing site outside of the town of Zhezkazgan to Karagnada, Kazakhstan on Friday, Sept. 16, 2011. Expedition 28 Commander Andrey Borisenko, and Flight Engineers Ron Garan, and Alexander Samokutyaev returned from more than five months onboard the International Space Station where they served as members of the Expedition 27 and 28 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 24 NASA Flight Engineer Doug Wheelock, left, Expedition 24 Soyuz Commander Fyodor Yurchikhin and Expedition 24 Flight Engineer Shannon Walker, third from left, walk out to salute Head of the Russian Federal Space Agency Anatoly Perminov, far right, prior to their launch onboard the Soyuz TMA-19 to the International Space Station (ISS), Wednesday, June 16, 2010 in Baikonur, Kazakhstan. Photo Credit: (NASA/Victor Zelentsov)

Anna-Marie Williams talks on the phone to her husband Expedition 21 with Flight Engineer Jeffrey N. Williams who is onboard the International Space Station (ISS) from the Mission Control Center Moscow in Korolev, Russia shortly after the successful docking of the Soyuz TMA-16 spacecraft with the International Space Station marking the start of Expedition 21 with Williams, Expedition 21 Flight Engineer Maxim Suraev, and Spaceflight Participant Guy Laliberté, Friday, Oct. 2, 2009. Photo Credit: (NASA/Bill Ingalls)

Expedition 28 Flight Engineer Ron Garan looks out the window of his helicopter as it prepares to depart for Karaganda from the Soyuz TMA-21 Capsule landing site outside of the town of Zhezkazgan, Kazakhstan on Friday, Sept. 16, 2011. Expedition 28 Commander Andrey Borisenko, and Flight Engineers Ron Garan, and Alexander Samokutyaev returned from more than five months onboard the International Space Station where they served as members of the Expedition 27 and 28 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)

A Search and Rescue helicopter is seen grounded by low visibility at the Arkalyk Airport in Kazakhstan on Saturday, March 16, 2013. The Soyuz TMA-06M spacecraft landed with Expedition 34 Commander Kevin Ford of NASA, Russian Soyuz Commander Oleg Novitskiy and Russian Flight Engineer Evgeny Tarelkin near the town of Arkalyk, Kazakhstan on Saturday, March 16, 2013. Ford, Novitskiy, and Tarelkin returned from 142 days onboard the International Space Station where they served as members of the Expedition 33 and 34 crews. Photo Credit: (NASA/Bill Ingalls)

Search and Rescue helicopters are seen grounded by low visibility at the Arkalyk Airport in Kazakhstan on Saturday, March 16, 2013. The Soyuz TMA-06M spacecraft landed with Expedition 34 Commander Kevin Ford of NASA, Russian Soyuz Commander Oleg Novitskiy and Russian Flight Engineer Evgeny Tarelkin near the town of Arkalyk, Kazakhstan on Saturday, March 16, 2013. Ford, Novitskiy, and Tarelkin returned from 142 days onboard the International Space Station where they served as members of the Expedition 33 and 34 crews. Photo Credit: (NASA/Bill Ingalls)

ISS029-E-005026 (16 Sept. 2011) --- Backdropped against clouds, the Soyuz TMA-21 spacecraft departs from the International Space Station and heads toward a landing in a remote area outside the town of Zhezkazgan, Kazakhstan, on Sept. 16, 2011. NASA astronaut Ron Garan, flight engineer, along with Expedition 28 commander Andrey Borisenko and flight engineer Alexander Samokutyaev, both of the Russian Federal Space Agency, are returning from more than five months onboard the International Space Station where they served as members of the Expedition 27 and 28 crews.

A helicopter crew member waits for weather to clear outside his Search and Rescue helicopter that was grounded by low visibility at the Arkalyk Airport in Kazakhstan on Saturday, March 16, 2013. The Soyuz TMA-06M spacecraft landed with Expedition 34 Commander Kevin Ford of NASA, Russian Soyuz Commander Oleg Novitskiy and Russian Flight Engineer Evgeny Tarelkin near the town of Arkalyk, Kazakhstan on Saturday, March 16, 2013. Ford, Novitskiy, and Tarelkin returned from 142 days onboard the International Space Station where they served as members of the Expedition 33 and 34 crews. Photo Credit: (NASA/Bill Ingalls)

ISS029-E-005021 (16 Sept. 2011) --- Backdropped against blue skies, the Soyuz TMA- 21 spacecraft departs from the International Space Station and heads toward a landing in a remote area outside the town of Zhezkazgan, Kazakhstan, on Sept. 16, 2011. NASA astronaut Ron Garan, flight engineer, along with Expedition 28 commander Andrey Borisenko and flight engineer Alexander Samokutyaev, both of the Russian Federal Space Agency, are returning from more than five months onboard the International Space Station where they served as members of the Expedition 27 and 28 crews.

ISS029-E-005083 (16 Sept. 2011) --- Backdropped against blue sky, the Soyuz TMA-21 spacecraft departs from the International Space Station and heads toward a landing in a remote area outside the town of Zhezkazgan, Kazakhstan, on Sept. 16, 2011. NASA astronaut Ron Garan, flight engineer, along with Expedition 28 commander Andrey Borisenko and flight engineer Alexander Samokutyaev, both of the Russian Federal Space Agency, are returning from more than five months onboard the International Space Station where they served as members of the Expedition 27 and 28 crews.

ISS029-E-005030 (16 Sept. 2011) --- Backdropped against a grayish sky, the Soyuz TMA-21 spacecraft departs from the International Space Station and heads toward a landing in a remote area outside the town of Zhezkazgan, Kazakhstan, on Sept. 16, 2011. NASA astronaut Ron Garan, flight engineer, along with Expedition 28 commander Andrey Borisenko and flight engineer Alexander Samokutyaev, both of the Russian Federal Space Agency, are returning from more than five months onboard the International Space Station where they served as members of the Expedition 27 and 28 crews.

A Russian helicopter commander waits inside his Search and Rescue helicopter that was grounded by low visibility at the Arkalyk Airport in Kazakhstan on Saturday, March 16, 2013. The Soyuz TMA-06M spacecraft landed with Expedition 34 Commander Kevin Ford of NASA, Russian Soyuz Commander Oleg Novitskiy and Russian Flight Engineer Evgeny Tarelkin near the town of Arkalyk, Kazakhstan on Saturday, March 16, 2013. Ford, Novitskiy, and Tarelkin returned from 142 days onboard the International Space Station where they served as members of the Expedition 33 and 34 crews. Photo Credit: (NASA/Bill Ingalls)

NASA Astronauts Eric Boe, left, and Bob Behnken are seen making contact with other team members outside a Search and Rescue helicopter that was grounded by low visibility at the Arkalyk Airport in Kazakhstan on Saturday, March 16, 2013. The Soyuz TMA-06M spacecraft landed with Expedition 34 Commander Kevin Ford of NASA, Russian Soyuz Commander Oleg Novitskiy and Russian Flight Engineer Evgeny Tarelkin near the town of Arkalyk, Kazakhstan on Saturday, March 16, 2013. Ford, Novitskiy, and Tarelkin returned from 142 days onboard the International Space Station where they served as members of the Expedition 33 and 34 crews. Photo Credit: (NASA/Bill Ingalls)

ISS029-E-005086 (16 Sept. 2011) --- Backdropped against blue sky, the Soyuz TMA-21 spacecraft departs from the International Space Station and heads toward a landing in a remote area outside the town of Zhezkazgan, Kazakhstan, on Sept. 16, 2011. NASA astronaut Ron Garan, flight engineer, along with Expedition 28 commander Andrey Borisenko and flight engineer Alexander Samokutyaev, both of the Russian Federal Space Agency, are returning from more than five months onboard the International Space Station where they served as members of the Expedition 27 and 28 crews.

ISS029-E-005081(16 Sept. 2011) --- Backdropped against blue sky, the Soyuz TMA-21 spacecraft departs from the International Space Station and heads toward a landing in a remote area outside the town of Zhezkazgan, Kazakhstan, on Sept. 16, 2011. NASA astronaut Ron Garan, flight engineer, along with Expedition 28 commander Andrey Borisenko and flight engineer Alexander Samokutyaev, both of the Russian Federal Space Agency, are returning from more than five months onboard the International Space Station where they served as members of the Expedition 27 and 28 crews.

ISS029-E-005091(16 Sept. 2011) --- Backdropped against clouds, the Soyuz TMA-21 spacecraft departs from the International Space Station and heads toward a landing in a remote area outside the town of Zhezkazgan, Kazakhstan, on Sept. 16, 2011. NASA astronaut Ron Garan, flight engineer, along with Expedition 28 commander Andrey Borisenko and flight engineer Alexander Samokutyaev, both of the Russian Federal Space Agency, are returning from more than five months onboard the International Space Station where they served as members of the Expedition 27 and 28 crews.

Search and Rescue helicopters are seen grounded by low visibility at the Arkalyk Airport in Kazakhstan on Saturday, March 16, 2013. The Soyuz TMA-06M spacecraft landed with Expedition 34 Commander Kevin Ford of NASA, Russian Soyuz Commander Oleg Novitskiy and Russian Flight Engineer Evgeny Tarelkin near the town of Arkalyk, Kazakhstan on Saturday, March 16, 2013. Ford, Novitskiy, and Tarelkin returned from 142 days onboard the International Space Station where they served as members of the Expedition 33 and 34 crews. Photo Credit: (NASA/Bill Ingalls)

A view of a Russian Search and Rescue helicopter that was grounded by low visibility at the Arkalyk Airport in Kazakhstan on Saturday, March 16, 2013. The Soyuz TMA-06M spacecraft landed with Expedition 34 Commander Kevin Ford of NASA, Russian Soyuz Commander Oleg Novitskiy and Russian Flight Engineer Evgeny Tarelkin near the town of Arkalyk, Kazakhstan on Saturday, March 16, 2013. Ford, Novitskiy, and Tarelkin returned from 142 days onboard the International Space Station where they served as members of the Expedition 33 and 34 crews. Photo Credit: (NASA/Bill Ingalls)

A heavily frosted rotor of a Search and Rescue helicopter is seen as it is grounded by low visibility at the Arkalyk Airport in Kazakhstan on Saturday, March 16, 2013. The Soyuz TMA-06M spacecraft landed with Expedition 34 Commander Kevin Ford of NASA, Russian Soyuz Commander Oleg Novitskiy and Russian Flight Engineer Evgeny Tarelkin near the town of Arkalyk, Kazakhstan on Saturday, March 16, 2013. Ford, Novitskiy, and Tarelkin returned from 142 days onboard the International Space Station where they served as members of the Expedition 33 and 34 crews. Photo Credit: (NASA/Bill Ingalls)

KAZAKHASTAN - The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberte 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 Laliberte 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 63 NASA astronaut Chris Cassidy is helped out of the Soyuz MS-16 spacecraft just minutes after he and Roscosmos cosmonauts Anatoly Ivanishin, and Ivan Vagner, landed in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, October 22, 2020, Kazakh time (Oct. 21 Eastern time). Cassidy, Ivanishin and Vagner returned after 196 days in space having served as Expedition 62-63 crew members onboard the International Space Station. Photo Credit: (NASA/GCTC/Denis Derevtsov)

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 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 63 NASA astronaut Chris Cassidy is helped out of the Soyuz MS-16 spacecraft just minutes after he and Roscosmos cosmonauts Anatoly Ivanishin, and Ivan Vagner, landed in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, October 22, 2020, Kazakh time (Oct. 21 Eastern time). Cassidy, Ivanishin and Vagner returned after 196 days in space having served as Expedition 62-63 crew members onboard the International Space Station. Photo Credit: (NASA/GCTC/Denis Derevtsov)

Expedition 21 Flight Engineer Jeffrey N. Williams, top, Spaceflight Participant Guy Laliberté, middle, and Expedition 21 Flight Engineer Maxim Suraev wave farewell from the bottom of the Soyuz launch pad prior shortly before their launch onboard the Soyuz TMA-16 from the Baikonur Cosmodrome in Kazakhstan on Wednesday, Sept. 30, 2009. (Photo Credit: NASA/Bill Ingalls)

ISS033-E-005112 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

KAZAKHASTAN - The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberte 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 Laliberte 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)

ISS033-E-005138 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

The Soyuz TMA-21 spacecraft is seen as it lands with Expedition 28 Commander Andrey Borisenko, and Flight Engineers Ron Garan, and Alexander Samokutyaev in a remote area outside of the town of Zhezkazgan, Kazakhstan, on Friday, Sept. 16, 2011. NASA Astronaut Garan, Russian Cosmonauts Borisenko and Samokutyaev are returning from more than five months onboard the International Space Station where they served as members of the Expedition 27 and 28 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 63 NASA astronaut Chris Cassidy is helped out of the Soyuz MS-16 spacecraft just minutes after he and Roscosmos cosmonauts Anatoly Ivanishin, and Ivan Vagner, landed in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, October 22, 2020, Kazakh time (Oct. 21 Eastern time). Cassidy, Ivanishin and Vagner returned after 196 days in space having served as Expedition 62-63 crew members onboard the International Space Station. Photo Credit: (NASA/GCTC/Denis Derevtsov)

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)

The Soyuz MS-16 spacecraft is seen as it lands in a remote area near the town of Zhezkazgan, Kazakhstan with Expedition 63 crew members Chris Cassidy of NASA, and Anatoly Ivanishin and Ivan Vagner of Roscosmos, Thursday, October 22, 2020, Kazakh time (Oct. 21 Eastern time). Cassidy, Ivanishin and Vagner returned after 196 days in space having served as Expedition 62-63 crew members onboard the International Space Station. Photo Credit: (NASA/GCTC/Denis Derevtsov)

Cars carrying Expedition 34 Commander Kevin Ford of NASA, Russian Soyuz Commander Oleg Novitskiy and Russian Flight Engineer Evgeny Tarelkin pull up to the terminal at the Kustanay Airport a few hours after the crew landed their Soyuz TMA-06M spacecraft near the town of Arkalyk, Kazakhstan on Saturday, March 16, 2013. Ford, Novitskiy, and, Tarelkin returned from 142 days onboard the International Space Station where they served as members of the Expedition 33 and 34 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-21 spacecraft is seen as it lands with Expedition 28 Commander Andrey Borisenko, and Flight Engineers Ron Garan, and Alexander Samokutyaev in a remote area outside of the town of Zhezkazgan, Kazakhstan, on Friday, Sept. 16, 2011. NASA Astronaut Garan, Russian Cosmonauts Borisenko and Samokutyaev are returning from more than five months onboard the International Space Station where they served as members of the Expedition 27 and 28 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 63 Roscosmos cosmonauts Anatoly Ivanishin, left, and Ivan Vagner are seen inside the Soyuz MS-16 spacecraft just minutes after they and NASA astronaut Chris Cassidy, landed in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, October 22, 2020, Kazakh time (Oct. 21 Eastern time). Cassidy, Ivanishin and Vagner returned after 196 days in space having served as Expedition 62-63 crew members onboard the International Space Station. Photo Credit: (NASA/GCTC/Denis Derevtsov)

The Soyuz MS-16 spacecraft is seen as it lands in a remote area near the town of Zhezkazgan, Kazakhstan with Expedition 63 crew members Chris Cassidy of NASA, and Anatoly Ivanishin and Ivan Vagner of Roscosmos, Thursday, October 22, 2020, Kazakh time (Oct. 21 Eastern time). Cassidy, Ivanishin and Vagner returned after 196 days in space having served as Expedition 62-63 crew members onboard the International Space Station. Photo Credit: (NASA/GCTC/Denis Derevtsov)

Expedition 63 Roscosmos cosmonaut Ivan Vagner is seen outside the Soyuz MS-16 spacecraft after he landed with Roscosmos cosmonaut Anatoly Ivanishin and NASA astronaut Chris Cassidy in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, October 22, 2020, Kazakh time (Oct. 21 Eastern time). Cassidy, Ivanishin and Vagner returned after 196 days in space having served as Expedition 62-63 crew members onboard the International Space Station. Photo Credit: (NASA/GCTC/Denis Derevtsov)

ISS033-E-005131 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

KAZAKHSTAN - Expedition 21 Flight Engineer Jeffrey N. Williams, top, Spaceflight Participant Guy Laliberte, middle, and Expedition 21 Flight Engineer Maxim Suraev wave farewell from the bottom of the Soyuz launch pad shortly before their launch onboard the Soyuz TMA-16 from the Baikonur Cosmodrome in Kazakhstan on Wednesday, Sept. 30, 2009. (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)

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)

A Russian Search and Rescue helicopter approaches the landing site of the Soyuz TMA-21 spacecraft shortly after it landed with Expedition 28 Commander Andrey Borisenko, and Flight Engineers Ron Garan, and Alexander Samokutyaev in a remote area outside of the town of Zhezkazgan, Kazakhstan, on Friday, Sept. 16, 2011. NASA Astronaut Garan, Russian Cosmonauts Borisenko and Samokutyaev are returning from more than five months onboard the International Space Station where they served as members of the Expedition 27 and 28 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 63 NASA astronaut Chris Cassidy is helped out of the Soyuz MS-16 spacecraft just minutes after he and Roscosmos cosmonauts Anatoly Ivanishin, and Ivan Vagner, landed in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, October 22, 2020, Kazakh time (Oct. 21 Eastern time). Cassidy, Ivanishin and Vagner returned after 196 days in space having served as Expedition 62-63 crew members onboard the International Space Station. Photo Credit: (NASA/GCTC/Denis Derevtsov)

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 63 Roscosmos cosmonaut Ivan Vagner is seen outside the Soyuz MS-16 spacecraft after he landed with Roscosmos cosmonaut Anatoly Ivanishin and NASA astronaut Chris Cassidy in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, October 22, 2020, Kazakh time (Oct. 21 Eastern time). Cassidy, Ivanishin and Vagner returned after 196 days in space having served as Expedition 62-63 crew members onboard the International Space Station. Photo Credit: (NASA/GCTC/Denis Derevtsov)

NASA, Roscosmos, and Russian Search and Recovery Forces depart Karaganda Airport for Zhezkazgan, Kazakhstan to stage for the Soyuz MS-17 landing of Expedition 64 crew members Kate Rubins of NASA, Sergey Ryzhikov and Sergey Kud-Sverchkov of Roscosmos, Friday, April 16, 2021. Rubins, Ryzhikov and Kud-Sverchkov will be returning, Saturday, April 17 after 185 days in space having served as Expedition 63-64 crew members onboard the International Space Station. Photo Credit: NASA/Bill Ingalls

Expedition 63 NASA astronaut Chris Cassidy is seen outside the Soyuz MS-16 spacecraft after he landed with Roscosmos cosmonauts Ivan Vagner and Anatoly Ivanishin in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, October 22, 2020, Kazakh time (Oct. 21 Eastern time). Cassidy, Ivanishin and Vagner returned after 196 days in space having served as Expedition 62-63 crew members onboard the International Space Station. Photo Credit: (NASA/GCTC/Denis Derevtsov)

ISS033-E-005166 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

ISS033-E-005123 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

Expedition 26 Commander Scott Kelly rest in a chair shortly after he and fellow crew members Alexander Kaleri 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)

Russian support personnel work to help get crew members out of the Soyuz TMA-01M spacecraft shortly after the capsule landed with Expedition 26 Commander Scott Kelly and Flight Engineers Oleg Skripochka and Alexander Kaleri 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 63 Roscosmos cosmonaut Anatoly Ivanishin is seen outside the Soyuz MS-16 spacecraft after he landed with Roscosmos cosmonaut Ivan Vagner and NASA astronaut Chris Cassidy in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, October 22, 2020, Kazakh time (Oct. 21 Eastern time). Cassidy, Ivanishin and Vagner returned after 196 days in space having served as Expedition 62-63 crew members onboard the International Space Station. Photo Credit: (NASA/GCTC/Denis Derevtsov)

Expedition 63 NASA astronaut Chris Cassidy is seen outside the Soyuz MS-16 spacecraft after he landed with Roscosmos cosmonauts Ivan Vagner and Anatoly Ivanishin in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, October 22, 2020, Kazakh time (Oct. 21 Eastern time). Cassidy, Ivanishin and Vagner returned after 196 days in space having served as Expedition 62-63 crew members onboard the International Space Station. Photo Credit: (NASA/GCTC/Denis Derevtsov)

Russian support personnel work to help get crew members out of the Soyuz TMA-01M spacecraft shortly after the capsule landed with Expedition 26 Commander Scott Kelly and Flight Engineers Oleg Skripochka and Alexander Kaleri 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-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)