ASTANA, KAZAKHSTAN - Expedition Six Commander Ken Bowersox (center), Flight Engineer Nikolai Budarin (left) and NASA ISS Science Officer Don Pettit (not pictured) are welcomed to Kazakhstan by Cosmonaut Talgat Musabayev. The Expedition Six Soyuz capsule landed in Kazakhstan. The Expedition Six crew spent 161 days in space, 159 manning the International Space Station. Photo Credit: NASA/Bill Ingalls

Baikonur, Kazakhstan - (Left to right) Expedition 8 Soyuz Commander and Flight Engineer Alexander Kaleri, Expedition 8 Commander Michael Foale, European Space Agency Astronaut Pedro Duque of Spain and Valery Korzun, chief of Cosmonauts, arrive in Baikonur. Expedition 8 is scheduled to launch from the Baikonur Cosmodrome in Kazakhstan on Oct. 18 on board a Soyuz rocket to the International Space Station. Photo Credit: "NASA/Bill Ingalls"

KAZAKHSTAN - Expedition Six Commander Ken Bowersox calls his wife Annie from the airplane prior to departure from Astana, Kazakhstan, to Moscow. The Expedition Six crew spent 161 days in space, 159 manning the International Space Station. Photo Credit: NASA/Bill Ingalls

Baikonur, Kazakhstan - (Left to right) European Space Agency Astronaut Pedro Duque of Spain, Expedition 8 Commander Michael Foale, and Expedition 8 Soyuz Commander and Flight Engineer Alexander Kaleri gather on the bus after the flight down from Moscow to Baikonur, Kazakhstan. Expedition 8 is scheduled to launch from the Baikonur Cosmodrome in Kazakhstan on Oct. 18 on board a Soyuz rocket to the International Space Station. Photo Credit: "NASA/Bill Ingalls"

KAZAKHSTAN - From the seat of a Russian Helicopter, Bob Cabana (left), director of Flight Crew Operations, and astronaut Michael Foale (right) look out over the Kazakh terrain for the Expedition Six Soyuz capsule after its landing in Kazakhstan. The Soyuz was returning the Expedition Six crew after 161 days in space, 159 spent manning the International Space Station. Photo Credit: NASA/Bill Ingalls

KAZAKHSTAN - Expedition Six Commander Ken Bowersox (left), and NASA ISS Science Officer Don Pettit (right) talk about their landing during the flight from Kazakhstan to Moscow. The Expedition Six crew spent 161 days in space, 159 manning the International Space Station. Photo Credit: NASA/Bill Ingalls

STAR CITY, RUSSIA - NASA Administrator Sean O'Keefe (R) along with Russian Space officials welcomes the crew of Expedition Six as they return from Kazakhstan and the landing of their Soyuz capsule. The Expedition Six crew spent 161 days in space, 159 manning the International Space Station. Photo Credit: NASA/Bill Ingalls

ASTANA, KAZAKHSTAN - One of three local Kazakh girls who were on hand at the Astana airport to welcome the Expedition Six crew with roses after the crew landed on the Kazakh Steppe in their Soyuz capsule. The Expedition Six crew spent 161 days in space, 159 manning the International Space Station. Photo Credit: NASA/Bill Ingalls

RUSSIA - Expedition Six Commander Ken Bowersox (left), NASA ISS Science Officer Don Pettit (center) and Flight Engineer Nikolai Budarin (right) celebrate their mission onboard an aircraft flight from Kazakhstan to Moscow. The Expedition Six crew spent 161 days in space, 159 manning the International Space Station. Photo Credit: NASA/Bill Ingalls

Baikonur, Kazakhstan - Victor Grin (left), a member of the Russian State Commission, greets (left to right) Expedition 8 Commander Michael Foale, Expedition 8 Soyuz Commander and Flight Engineer Alexander Kaleri and European Space Agency Astronaut Pedro Duque of Spain. Expedition 8 is scheduled to launch from the Baikonur Cosmodrome in Kazakhstan on Oct.18 on board a Soyuz rocket to the International Space Station. Photo Credit: "NASA/Bill Ingalls"

Russian technicians work, Tuesday, April 12, 2005, on mating the Soyuz TMA-6 spacecraft to the booster rocket inside the integration facility at the Baikonur Cosmodrome in Kazakhstan as preparations continued for the April 15 launch of Expedition 11 with Commander Sergei Krikalev, Flight Engineer John Phillips and European Space Agency Astronaut Roberto Vittori, of Italy, to the International Space Station. The rocket mating operation occurred on the 44th anniversary of the launch of Yuri Gagarin from the same complex to become the first human in space. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-8 rocket launched from the Baikonur Cosmodrome in Baikonur, Kazakhstan on Wednesday, March 29, 2006 at 9:30 p.m. EST, (Thursday, March 30, 2006, 8:30 a.m. Kazakhstan time). Aboard the spacecraft are Expedition 13 Commander Pavel V. Vinogradov, Science Officer and Flight Engineer Jeffrey N. Williams, and Brazilian Space Agency Soyuz crew member Marcos Pontes. Photo Credit: (NASA/Bill Ingalls)

Expedition 11 Commander Sergei Krikalev enters the Soyuz TMA-6 spacecraft at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Sunday, April 10, 2005, during preparations for launch to the International Space Station. Krikalev, along with Flight Engineer John Phillips and European Space Agency astronaut Roberto Vittori will launch April 15 on the Soyuz TMA-6 spacecraft to the International Space Station. Krikalev and Phillips will spend six months in space and greet the first Shuttle crew to fly in more than two years when it arrives at the station, while Vittori spends eight days on the station under a commercial contract between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

The Soyuz rocket and Soyuz TMA-12M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome on Saturday, March 22, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six month mission to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

Expedition 11 Flight Engineer John Phillips, left, and backup American Dan Tani stay limber during an exercise session, Monday, April 11, 2005, in Baikonur, Kazakhstan as Philips prepares for the April 15 launch to the International Space Station with Expedition 11 Commander Sergei Krikalev and European Space Agency Astronaut Roberto Vittori, of Italy. Krikalev and Phillips will spend six months in space and greet the first Shuttle crew to fly in more than two years when arrive at the station, while Vittori spends eight days on the station under a commercial contract between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

The rollout locomotive prepares to back away from the launch pad leaving the Soyuz TMA-4 capsule and its booster rocket at the Baikonur Cosmodrome on Saturday, April 17, 2004, in Baikonur, Kazakhstan in preparation for the launch of the Expedition 9 crew and a European researcher to the International Space Station on April 19. The Soyuz vehicle is transported to the launch pad horizontally on a railcar from its processing hangar in a process that takes about 2.5 hours to complete. Photo Credit: (NASA/Bill Ingalls)

Marcos Pontes, Brazilian Space Agency Soyuz crew member who will spend 10 days aboard the International Space Station under an agreement with the Russian Federal Space Agency, uses a satellite phone after crew members' final check of the Soyuz at building 254 of the Baikonur Cosmodrome in Baikonur, Kazakhstan. Sunday, March 26, 2006. Photo Credit: (NASA/Bill Ingalls)

Expedition 11 Commander Sergei Krikalev, seated center, Flight Engineer and NASA Science Officer John Phillips, seated left and European Space Agency Astronaut Roberto Vittori, of Italy, seated right, relax prior to launch aboard the Soyuz TMA-6 spacecraft from the Baikonur Cosmodrome in Kazakhstan, Friday, April 15, 2005 for a two-day trip to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-6 sits on the pad ready for launch, Thursday, April 14, 2005, at the Baikonur Cosmodrome in Kazakhstan. Expedition 11 crew Commander Sergei Krikalev along with Flight Engineer and NASA Science Officer John Phillips and European Space Agency Astronaut Roberto Vittori, of Italy, will launch April 15, 2005. Krikalev and Phillips will spend six months on the station, replacing Expedition 10 Commander Leroy Chiao and Flight Engineer Salizhan Sharipov, while Vittori will spend eight days on the Station under a commerical contract between ESA and the Russian Federal Space Agency, returning to Earth with Chiao and Sharipov on April 25. Photo Credit: (NASA/Bill Ingalls)

The Soyuz rocket is erected into position at the launch pad Tuesday, March 24, 2009 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz is scheduled to launch the crew of Expedition 19 and a spaceflight participant on March 26, 2009. Photo Credit: (NASA/Bill Ingalls)

Spaceflight Participant Guy Laliberté, left, Expedition 21 Flight Engineer Maxim Suraev, center, and Expedition 21 Flight Engineer Jeffrey N. Williams depart the Cosmonaut Hotel on the morning of their Soyuz launch to the International Space Station on Wednesday, Sept. 30, 2009 in Baikonur, Kazakhstan. Photo Credit: (NASA/Victor Zelentsov)

Expedition 65 backup crew members Russian cosmonaut Anton Shkaplerov of Roscosmos, first, NASA astronaut Anne McClain, second, and Oleg Artemyev of Roscosmos, arrive in Baikonur, Kazakhstan from the Gagarin Cosmonaut Training Center (GCTC), Friday, March 26, 2021. The prime crew is scheduled to launch from the Baikonur Cosmodrome on a Soyuz rocket April 9. Photo Credit: (NASA/GCTC/Irina Spector)

Spaceflight Participant Charles Simonyi, left, Expedition 19 Commander Gennady I. Padalka, center, and Flight Engineer Michael R. Barratt walk out of building 254 to salute officials prior to boarding the bus that will take them to the Soyuz launch pad on Thursday, March 26, 2009 in Baikonur, Kazakhstan. Photo Credit: NASA/Victor Zelentsov)

Expedition 16 Commander Peggy Whitson dons her flight suit prior to launch, Wednesday, Oct. 10, 2007, in Baikonur, Kazakhstan. Expedition 16 Flight Engineer and Soyuz Commander Yuri Malenchenko, Whitson, and Malaysian spaceflight participant Sheikh Muszaphar Shukor launched from the Baikonur Cosmodrome in Kazakhstan at sunset n their Soyuz TMA-11 spacecraft bound for a docking to the International Space Station on Oct. 12. Whitson and Malenchenko will spend six months on the station, while Shukor will return to Earth Oct. 21 with two of the Expedition 15 crewmembers currently on the complex. Photo Credit: (NASA/Bill Ingalls)

The Soyuz rocket is rolled out to the launch pad Tuesday, March 24, 2009 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz is scheduled to launch the crew of Expedition 19 and a spaceflight participant on March 26, 2009. Photo Credit: (NASA/Bill Ingalls)

Expedition 18 Commander Michael Fincke dons his Russian Sokol suit hours before he and Expedition 18 Flight Engineer Yuri V. Lonchakov and American spaceflight participant Richard Garriott launch in the Soyuz TMA-13 spacecraft, Sunday, Oct. 12, 2008 from the Baikonur Cosmodrome in Kazakhstan. The three crew members are scheduled to dock with the International Space Station on Oct. 14. Fincke and Lonchakov will spend six months on the station, while Garriott will return to Earth Oct. 24 with two of the Expedition 17 crew members currently on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-5 vehicle rolled to its launch pad at the Baikonur Cosmodrome in Kazakhstan, Tuesday, October 12, 2004, in preparation for its launch October 14 to send Expedition 10 Commander and NASA Science Officer Leroy Chiao, Flight Engineer and Soyuz Commander Salizhan Sharipov and Russian Space Forces cosmonaut Yuri Shargin to the International Space Station. Chiao and Sharipov will replace the Expedition 9 crew of Gennady Padalka and Mike Fincke, while Shargin will conduct eight days of scientific experiments. He will return to earth with the Expedition 9 crew October 24. Photo Credit: (NASA/Bill Ingalls)

Expedition 21 Flight Engineer Jeffrey N. Williams, right, waves farewell to well wishers as he and Expedition 21 Flight Engineer Maxim Suraev and Spaceflight Participant Guy Laliberté depart the Cosmonaut Hotel on the morning of their Soyuz launch to the International Space Station on Wednesday, Sept. 30, 2009 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

NASA Science Officer Mike Fincke, left, Expedition 9 Commander Gennady Padalka, center and Flight Engineer and European Space Agency astronaut Andre Kuipers of the Netherlands walk from the Soyuz capsule at building 254 at the Baikonur Cosmodrome after their final fit check in the Soyuz, Wednesday, April 14, 2004, in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Technicians work on the Russian Sokol suit of European Space Agency astronaut Roberto Vittori, of Italy, prior to launch aboard the Soyuz TMA-6 spacecraft at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 15, 2005 for a two-day trip to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 11 Commander Sergei Krikalev, Flight Engineer and NASA Science Officer John Phillips and European Space Agency astronaut Roberto Vittori, of Italy, blast off aboard the Soyuz TMA-6 spacecraft from the Baikonur Cosmodrome in Kazakhstan, Friday, April 15, 2005 for a two-day trip to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Marcos Pontes, left, Brazilian Space Agency’s Soyuz crew member, Jeffrey N. Williams, Expedition 13 NASA International Space Station Science Officer and Flight Engineer, and Pavel V. Vinogradov, right, Expedition 13 commander, take a break from their training at the Cosmonaut Hotel in Baikonur, Kazakhstan, Saturday, March 25, 2006, days before their launch on a Soyuz spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 16 Commander Peggy Whitson, right, Flight Engineer and Soyuz Commander Yuri Malenchenko participate in the traditional blessing prior to joining Malaysian spaceflight participant Sheikh Muszaphar Shukor for the bus ride to building 254 at the Baikonur Cosmodrome where the crew don their spacesuits, Wednesday, Oct. 10, 2007, in Baikonur. The crew is set to launch at sunset in their Soyuz TMA-11 spacecraft bound for a docking to the International Space Station on October 12. Whitson and Malenchenko will spend six months on the station, while Shukor will return to Earth October 21 with two of the Expedition 15 crewmembers currently on the complex. Photo Credit: (NASA/Bill Ingalls)

Marcos Pontes, left, Brazilian Space Agency Soyuz crew member; Pavel V. Vinogradov, Russia’s Federal Space Agency Expedition 13 International Space Station Commander; and Jeffrey N. Williams, right, Expedition 13 Science Officer and Flight Engineer, talk with the media after the crew's final check of the Soyuz at building 254 of the Baikonur Cosmodrome in Baikonur, Kazakhstan. Sunday, March 26, 2006. Photo Credit: (NASA/Bill Ingalls)

From left to right, Expedition 10 Flight Engineer and Soyuz Commander Salizhan Sharipov, Commander and NASA Science Officer Leroy Chiao, Russian Space Forces cosmonaut Yuri Shargin, backup Soyuz Commander Valery Tokarev and backup Expedition Commander Bill McArthur patricipate in the ceremonial flag raising at the Cosmonaut Hotel, Baikonur, Kazakhstan, Wednesday, Oct. 6, 2004. Chiao, Sharipov and Shargin are scheduled to launch October 14 on their Soyuz TMA-5 spacecraft to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-8 spacecraft and its booster rolled out to the launch pad on Tuesday, March 28, 2006 at the Baikonur Cosmodrome in Baikonur, Kazakhstan for final pre-launch preparations. The Soyuz will blast off on March 30, 2006 to carry Expedition 13 Commander Pavel V. Vinogradov and Science Officer and Flight Engineer Jeffrey N. Williams to the International Space Station for a six-month mission. The spacecraft will also be carrying Brazilian Space Agency Soyuz crew member Marcos Pontes, who will spend 10 days aboard the International Space Station under an agreement with the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-8 spacecraft and its booster rolled out to the launch pad on Tuesday, March 28, 2006 at the Baikonur Cosmodrome in Baikonur, Kazakhstan for final pre-launch preparations. The Soyuz will blast off on March 30, 2006 to carry Expedition 13 Commander Pavel V. Vinogradov and Science Officer and Flight Engineer Jeffrey N. Williams to the International Space Station for a six-month mission. The spacecraft will also be carrying Brazilian Space Agency Soyuz crew member Marcos Pontes, who will spend 10 days aboard the International Space Station under an agreement with the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Expedition 19 Flight Engineer Michael R. Barratt listens to instructions prior to having his Russian Sokol suit pressure checked in preparation for his Soyuz launch to the International Space Station with Commander Gennady I. Padalka and Spaceflight Participant Charles Simonyi on Thursday, March 26, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)

The Soyuz escape tower is being attached to the Soyuz TMA-14 spacecraft and boosters Monday, March 23, 2009 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz is scheduled to launch the crew of Expedition 19 and a spaceflight participant on March 26, 2009. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-11 spacecraft is transported by railcar to its launch pad at the Baikonur Cosmodrome, Monday, Oct. 8, 2007, in Kazakhstan for an October 10th launch date. The Soyuz will carry Expedition 16 Commander Peggy Whitson, Flight Engineer and Soyuz Commander Yuri Malenchenko and Malaysian spaceflight participant Sheikh Muszaphar Shukor to the International Space Station. Whitson and Malenchenko will spend six months on the station. Shukor, who is flying under an agreement between Malaysia and the Russian Federal Space Agency, will return to Earth October 21 with two of the Expedition 15 crew members currently on the complex. Photo Credit: (NASA/Bill Ingalls)

Officials look on as the Soyuz TMA-6 vehicle begins the journey to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Wednesday, April 13, 2005, in preparation for the April 15 launch to send Expedition 11 Commander Sergei Krikalev, Flight Engineer John Phillips and European Space Agency Astronaut Roberto Vittori, of Italy, to the International Space Station. Krikalev and Phillips will spend six months in space and greet the first Shuttle crew to fly in more than two years when it arrives at the station, while Vittori spends eight days on the station under a commercial contract between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-6 vehicle is transported by train to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Wednesday, April 13, 2005, as preparations continued for the April 15 launch to send Expedition 11 Commander Sergei Krikalev, Flight Engineer John Phillips and European Space Agency Astronaut Roberto Vittori, of Italy, to the International Space Station. Krikalev and Phillips will spend six months in space and greet the first Shuttle crew to fly in more than two years when it arrives at the station, while Vittori spends eight days on the station under a commercial contract between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

jsc2020e017123 - Expedition 63 Crew Waves Farewell - Expedition 63 crewmember Ivan Vagner of Roscosmos waves goodbye as he, Chris Cassidy of NASA, and Anatoly Ivanishin of Roscosmos, prepare to climb aboard the Soyuz MS-16 rocket at Site 31 at the Baikonur Cosmodrome in Kazakhstan, Thursday, April 9, 2020. They launched a short time later to the International Space Station for the start of a six-and-a-half month mission. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Spaceflight Participant Guy Laliberté, front left, Expedition 21 Flight Engineer Maxim Suraev, front center, and Expedition 21 Flight Engineer Jeffrey N. Williams prepare to have their Russian Sokol suits pressure tested while the backup crew members look on, from back left, Backup Spaceflight Participant Barbara Barrett, backup Expedition 21 Commander Aleksandr Skvortsov, and backup Expedition 21 Flight Engineer Shannon Walker, prior to the crews launch onboard a Soyuz rocket to the International Space Station on Wednesday, Sept. 30, 2009 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 10 Commander and NASA Science Officer Leroy Chiao, right, Flight Engineer and Soyuz Commander Salizhan Sharipov and Russian Space Forces cosmonaut Yuri Shargin, left, toured a museum bearing the name of historic Russian rocket designer Sergei Korolev, Saturday, October 9, 2004, at the Baikonur Cosmodrome in Kazakhstan in advance of their liftoff to the International Space Station October 14. The traditional visit included the signing of their names in commemorative books and a wall at the museum, and touring the cottages nearby where Korolev and Yuri Gagarin slept on the eve of Gagarin's launch April 12, 1961 to become the first human in space. Photo Credit: (NASA/Bill Ingalls)

Malaysian spaceflight participant Sheikh Muszhaphar Shukor speaks during the State Commission meeting and press conference, Tuesday, Oct. 9, 2007, at the Baikonur Cosmodrome in Kazakhstan. The Expedition 16 crew is in preparation for their launch to the International Space Station Oct. 10 in their Soyuz TMA-11 spacecraft. Commander Peggy Whitson and Flight Engineer Yuri Malenchenko will spend six months on the station while Shukor will return to Earth Oct. 21 with two of the Expedition 15 crewmembers currently on the complex. Photo Credit: (NASA/Bill Ingalls) Photo Credit: "NASA/Bill Ingalls"

Expedition 65 backup crew member Russian cosmonaut Oleg Artemyev of Roscosmos, left, and Expedition 65 prime crew member Russian cosmonaut Oleg Novitskiy of Roscosmos play a game of ping-pong, Saturday, April 3, 2021, at the Cosmonaut Hotel in Baikonur, Kazakhstan. The prime crew, Novitskiy, NASA astronaut Mark Vande Hei, and Russian cosmonaut Pyotr Dubrov of Roscosmos are scheduled to launch to the International Space Station aboard the Soyuz MS-18 spacecraft on April 9. Photo Credit: (NASA/GCTC/Irina Spector)

Backup Expedition 19 flight engineer Maxim Suraev, left, backup commander Jeffrey Williams, center, and backup spaceflight participant Esther Dyson participate in training at the Cosmonaut Hotel, Saturday, March 21, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)

The Soyuz launch pad is seen prior to the arrival of the Soyuz TMA-11 spacecraft, Monday, Oct. 8, 2007, in Baikonur, Kazakhstan. The Soyuz was transported by railcar to its launch pad at the Baikonur Cosmodrome for an October 10th launch date, when it will carry Expedition 16 Commander Peggy Whitson, Flight Engineer and Soyuz Commander Yuri Malenchenko and Malaysian spaceflight participant Sheikh Muszaphar Shukor to the International Space Station. Whitson and Malenchenko will spend six months on the station. Shukor, who is flying under an agreement between Malaysia and the Russian Federal Space Agency, will return to Earth October 21 with two of the Expedition 15 crew members currently on the complex. Photo Credit: (NASA/Bill Ingalls)

Engineers at the Baikonur Cosmodrome mated the Soyuz TMA-4 capsule with its booster rocket in preparation for a launch on April 19 of the Expedition 9 crew and a European astronaut to the International Space Station, Friday, April 16, 2004 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Spaceflight Participant Charles Simonyi, left, Expedition 19 Commander Gennady I. Padalka, center, and Flight Engineer Michael R. Barratt along with the backup crew and flight doctors walk the grounds of the Cosmonaut Hotel, Saturday, March 21, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)

The Soyuz TMA-4 capsule and its booster rocket are raised into position at the launch pad at the Baikonur Cosmodrome on Saturday, April 17, 2004, in Baikonur, Kazakhstan in preparation for the launch of the Expedition 9 crew and a European researcher to the International Space Station on April 19. The Soyuz vehicle is transported to the launch pad horizontally on a railcar from its processing hangar in a process that takes about 2.5 hours to complete. Photo Credit: (NASA/Bill Ingalls)

Flight Engineer and Soyuz Commander Salizhan Sharipov tours a museum bearing the name of historic Russian rocket designer Sergei Korolev, Saturday, October 9, 2004, at the Baikonur Cosmodrome in Kazakhstan in advance of their liftoff to the International Space Station October 14. The traditional visit included the signing of their names in commemorative books and a wall at the museum, and touring the cottages nearby where Korolev and Yuri Gagarin slept on the eve of Gagarin's launch April 12, 1961 to become the first human in space. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-4 capsule and its booster rocket begin to roll to the launch pad at the Baikonur Cosmodrome on Saturday, April 17, 2004, in Baikonur, Kazakhstan in preparation for the launch of the Expedition 9 crew and a European researcher to the International Space Station on April 19. The Soyuz vehicle is transported to the launch pad horizontally on a railcar from its processing hangar in a process that takes about 2.5 hours to complete. Photo Credit: (NASA/Bill Ingalls)

Left to Right: European Space Agency astronaut Andre Kuipers of the Netherlands, Expedition 9 Flight Engineer and NASA Science Officer Mike Fincke, Expedition 9 Commander Gennady Padalka, Backup Flight Engineer Salizhan Sharipov, backup European Space Agency astronaut Gerhard Thiele of Germany, NASA Expedition 9 backup Commander Leroy Chiao, prepare for the flag raising ceremony at the Cosmonaut Hotel, Thursday, April 15, 2004, in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

The Soyuz rocket is rolled out to the launch pad Tuesday, March 24, 2009 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz is scheduled to launch the crew of Expedition 19 and a spaceflight participant on March 26, 2009. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-8 spacecraft and its booster rolled out to the launch pad on Tuesday, March 28, 2006 at the Baikonur Cosmodrome in Baikonur, Kazakhstan for final pre-launch preparations. The Soyuz will blast off on March 30, 2006 to carry Expedition 13 Commander Pavel V. Vinogradov and Science Officer and Flight Engineer Jeffrey N. Williams to the International Space Station for a six-month mission. The spacecraft will also be carrying Brazilian Space Agency Soyuz crew member Marcos Pontes, who will spend 10 days aboard the International Space Station under an agreement with the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Expedition 13 Commander Pavel V. Vinogradov climbing into the Soyuz capsule for his final check at building 254 of the Baikonur Cosmodrome in Baikonur, Kazakhstan. Sunday, March 26, 2006. Photo Credit: (NASA/Bill Ingalls)

Russian technicians work, Tuesday, April 12, 2005, on mating the Soyuz TMA-6 spacecraft to the booster rocket inside the integration facility at the Baikonur Cosmodrome in Kazakhstan as preparations continued for the April 15 launch of Expedition 11 with Commander Sergei Krikalev, Flight Engineer John Phillips and European Space Agency Astronaut Roberto Vittori, of Italy, to the International Space Station. The rocket mating operation occurred on the 44th anniversary of the launch of Yuri Gagarin from the same complex to become the first human in space. Photo Credit: (NASA/Bill Ingalls)

Russian security personnel walk the railroad line ahead of the Soyuz TMA-13 spacecraft as it is transported by railcar to its launch pad at the Baikonur Cosmodrome in Kazakhstan, Friday, Oct. 10, 2008. The Soyuz is scheduled to launch to the International Space Station Oct. 12 with Expedition 18 Commander Michael Fincke, Flight Engineer Yuri V. Lonchakov and American spaceflight participant Richard Garriott. The three crew members will dock their Soyuz to the International Space Station on Oct. 14. Fincke and Lonchakov will spend six months on the station, while Garriott will return to Earth Oct. 24 with two of the Expedition 17 crew members currently on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 65 prime crew member Russian cosmonaut Pyotr Dubrov of Roscosmos, takes part in spin chair training, Saturday, April 3, 2021, at the Cosmonaut Hotel in Baikonur, Kazakhstan. Dubrov, NASA astronaut Mark Vande Hei, and Russian cosmonaut Oleg Novitskiy of Roscosmos are scheduled to launch to the International Space Station aboard the Soyuz MS-18 spacecraft on April 9. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 11 Flight Engineer and NASA Science Officer John Phillips, left, Commander Sergei Krikalev and European Space Agency Astronaut Roberto Vittori, of Italy, receive the traditional pre-launch blessing, Thursday, April 14, 2005, prior to their launch aboard the Soyuz TMA-6 spacecraft from the Baikonur Cosmodrome in Kazakhstan. Krikalev and Phillips will spend six months on the station, replacing Expedition 10 Commander Leroy Chiao and Flight Engineer Salizhan Sharipov, while Vittori will spend eight days on the Station under a commercial contract between ESA and the Russian Federal Space Agency, returning to Earth with Chiao and Sharipov on April 25. Photo Credit: (NASA/Bill Ingalls)

Engineers at the Baikonur Cosmodrome In Kazakhstan work on the aft end of the booster rocket after mating it with the Soyuz TMA-4 capsule in preparation for a launch on April 19 of the Expedition 9 crew and a European astronaut to the International Space Station, Friday, April 16, 2004 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 19 Commander Gennady I. Padalka, left, and Flight Engineer Michael R. Barratt are seen in quarantine behind glass during the State Commission meeting on Wednesday, March 25, 2009 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 19 Flight Engineer Michael R. Barratt's Russian Sokol suit gloves are ready for him to wear during the pressure check procedure prior to the Soyuz launch to the International Space Station with Commander Gennady I. Padalka and Spaceflight Participant Charles Simonyi on Thursday, March 26, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)

The Soyuz TMA-6 vehicle is transported by train to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Wednesday, April 13, 2005, as preparations continued for the April 15 launch to send Expedition 11 Commander Sergei Krikalev, Flight Engineer John Phillips and European Space Agency Astronaut Roberto Vittori, of Italy, to the International Space Station. Krikalev and Phillips will spend six months in space and greet the first Shuttle crew to fly in more than two years when it arrives at the station, while Vittori spends eight days on the station under a commercial contract between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Expedition 18 Commander Michael Fincke, foreground, has his Russian Sokol suit pressure checked prior to launching in the Soyuz TMA-13 spacecraft with American spaceflight participant Richard Garriott and Expedition 18 Flight Engineer Yuri V. Lonchakov, right, Sunday, Oct. 12, 2008 from the Baikonur Cosmodrome in Kazakhstan. The three crew members are scheduled to dock with the International Space Station on Oct. 14. Fincke and Lonchakov will spend six months on the station, while Garriott will return to Earth Oct. 24 with two of the Expedition 17 crew members currently on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-5 vehicle rolled to its launch pad at the Baikonur Cosmodrome in Kazakhstan, Tuesday, October 12, 2004, in preparation for its launch October 14 to send Expedition 10 Commander and NASA Science Officer Leroy Chiao, Flight Engineer and Soyuz Commander Salizhan Sharipov and Russian Space Forces cosmonaut Yuri Shargin to the International Space Station. Chiao and Sharipov will replace the Expedition 9 crew of Gennady Padalka and Mike Fincke, while Shargin will conduct eight days of scientific experiments. He will return to earth with the Expedition 9 crew October 24. Photo Credit: (NASA/Bill Ingalls)

American spaceflight participant Richard Garriott, left, Expedition 18 Flight Engineer Yuri V. Lonchakov and Expedition 18 Commander Michael Fincke, right, participate in the traditional blessing prior to the bus ride to building 254 where the crew don their spacesuits, Sunday, Oct. 12, 2008, in Baikonur, Kazakhstan. The Soyuz TMA-13 spacecraft launched from the Baikonur Cosmodrome in Kazakhstan carrying Fincke, Lonchakov and Garriott. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-13 spacecraft arrives at the launch pad at the Baikonur Cosmodrome in Kazakhstan, Friday, Oct. 10, 2008 for launch Oct. 12 to carry Expedition 18 Commander Michael Fincke, Flight Engineer Yury V. Lonchakov and American Spaceflight Participant Richard Garriott to the International Space Station. The three crew members will dock their Soyuz to the International Space Station on Oct. 14. Fincke and Lonchakov will spend six months on the station, while Garriott will return to Earth Oct. 24, 2008 with two of the Expedition 17 crewmembers currently on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Flight Engineer and NASA Science Officer Mike Fincke looks at a desert tulip just outside the gates to the Soyuz launch pad, Wednesday, April 14, 2004 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-4 capsule and its booster rocket begin to roll to the launch pad at the Baikonur Cosmodrome on Saturday, April 17, 2004, in Baikonur, Kazakhstan in preparation for the launch of the Expedition 9 crew and a European researcher to the International Space Station on April 19. The Soyuz vehicle is transported to the launch pad horizontally on a railcar from its processing hangar in a process that takes about 2.5 hours to complete. Photo Credit: (NASA/Bill Ingalls)

Expedition 7 backup crew member Michael Foale, left and Edward T. Lu, NASA International Space Station Science Officer and Flight Engineer, participate in the ceremonial flag raising at the Cosmonaut Hotel, Kazakhstan, Monday, April 21, 2003. Photo Credit: (NASA/Scott Andrews)

Murals showing the history of Russian spaceflight are seen on the outside walls of the Cosmonaut Hotel, Thursday, March 19, 2015 in Baikonur, Kazakhstan. NASA Astronaut Scott Kelly, and Russian Cosmonauts Gennady Padalka, and Mikhail Kornienko of the Russian Federal Space Agency (Roscosmos), are preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan March 28, Kazakh time. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016. Photo Credit: (NASA/Bill Ingalls)

Expedition 18 Flight Engineer Yuri V. Lonchakov dons his Russian Sokol suit hours before he and Expedition 18 Commander Michael Fincke and American spaceflight participant Richard Garriott launch in the Soyuz TMA-13 spacecraft, Sunday, Oct. 12, 2008 from the Baikonur Cosmodrome in Kazakhstan. The three crew members are scheduled to dock with the International Space Station on Oct. 14. Fincke and Lonchakov will spend six months on the station, while Garriott will return to Earth Oct. 24 with two of the Expedition 17 crew members currently on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 10 Commander Leroy Chiao does the traditional door signing prior to his departure from the Cosmonaut Hotel for launch, Thursday, Oct. 14, 2004, in Baikonur, Kazakhstan. The crew will dock to the International Space Station on October 16, and Chiao and Sharipov will replace the current station crewmembers, Gennady Padalka and Mike Fincke, who will return to Earth October 24 with Shargin. Photo Credit: (NASA/Bill Ingalls)

Expedition 9 Commander Gennady Padalka, Flight Engineer, NASA Science Officer Mike Fincke and European Space Agency astronaut Andre Kuipers of the Netherlands do their final fit check in the Soyuz capsule at building 254 at the Baikonur Cosmodrome in Kazakhstan, Wednesday, April 14, 2004. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-4 capsule is prepared for mating with its booster rocket at the Baikonur Cosmodrome in preparation for a launch on April 19 of the Expedition 9 crew and a European astronaut to the International Space Station, Friday, April 16, 2004 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 11 Flight Engineer and NASA Science Officer John Phillips is seen during a press conference, Thursday, April 14, 2005, in Baikonur, Kazakhstan. Phillips, Expedition 11 Commander Sergei Krikalev and, European Space Agency astronaut Roberto Vittori, of Italy, are scheduled to launch aboard a Soyuz TMA-6 spacecraft April 15. Krikalev and Phillips will spend six months on the station, replacing Expedition 10 Commander Leroy Chiao and Flight Engineer Salizhan Sharipov, while Vittori will spend eight days on the station under a commerical contract between ESA and the Russian Federal Space Agency, returning to Earth with Chiao and Sharipov on April 25. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-4 capsule and its booster rocket are in position at the launch pad at the Baikonur Cosmodrome in Kazakhstan on April 17, 2004 in preparation for the launch of the Expedition 9 crew and a European researcher to the International Space Station April 19. The Soyuz vehicle is transported to the launch pad horizontally on a railcar from its processing hangar in a process that takes about 2.5 hours to complete. Photo Credit: (NASA/Bill Ingalls)

Backup Expedition 13 Commander Fyodor N. Yurchikhin, left, Michael Fincke, NASA backup Flight Engineer and Science Officer, and backup Soyuz crew member Sergei Volkov, right, take a break from training at the Cosmonaut Hotel in Baikonur, Kazakhstan Saturday, March 25, 2006. Photo Credit: (NASA/Bill Ingalls)

Expedition 65 backup crew members NASA astronaut Anne McClain, left, and Russian cosmonauts Anton Shkaplerov, center, and Oleg Artemyev, right, of Roscosmos practice rendezvous techniques on a laptop simulator, Saturday, April 3, 2021, in Baikonur, Kazakhstan. The prime crew is scheduled to launch to the International Space Station aboard the Soyuz MS-18 spacecraft on April 9. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 9 Flight Engineer and NASA Science Officer Mike Fincke, left and NASA Expedition 9 backup Commander Leroy Chiao prepare to raise the American flag at the flag raising ceremony at the Cosmonaut Hotel, Thursday, April 15, 2004, Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 21 Flight Engineer Maxim Suraev, left and Expedition 21 Flight Engineer Jeffrey N. Williams, right talk with family and colleagues from behind glass prior to their launch onboard a Soyuz rocket with Spaceflight Participant Guy Laliberté to the International Space Station (ISS), Wednesday, Sept. 30, 2009 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-5 vehicle rolled to its launch pad at the Baikonur Cosmodrome in Kazakhstan, Tuesday, October 12, 2004, in preparation for its launch October 14 to send Expedition 10 Commander and NASA Science Officer Leroy Chiao, Flight Engineer and Soyuz Commander Salizhan Sharipov and Russian Space Forces cosmonaut Yuri Shargin to the International Space Station. Chiao and Sharipov will replace the Expedition 9 crew of Gennady Padalka and Mike Fincke, while Shargin will conduct eight days of scientific experiments. He will return to earth with the Expedition 9 crew October 24. Photo Credit: (NASA/Bill Ingalls)

October 13, 2003. Baikonur Cosmodrome, Kazakhstan. Expedition 8 Commander and NASA Science Officer Mike Foale (left), Expedition 8 Soyuz Commander Alexander Kaleri (center) and European Space Agency Astronaut Pedro Duque of Spain (right) pose inside the Soyuz TMA-3 vehicle in a processing facility at the Baikonur Cosmodrome in Kazakhstan Oct. 13, 2003 during a prelaunch inspection. The trio will be launched to the International Space Station on Oct. 18. Photo Credit"NASA/Bill Ingalls"

Expedition 19 Flight Engineer Michael R. Barratt receives the traditional blessing at the Cosmonaut Hotel on the morning of his Soyuz launch with Expedition 19 Commander Gennady I. Padalka and Spaceflight Participant Charles Simonyi to the International Space Station on Thursday, March 26, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)

Expedition 43 NASA Astronaut Scott Kelly walks from the Zvjozdnyj Hotel to the Cosmonaut Hotel for additional training, Thursday, March 19, 2015 in Baikonur, Kazakhstan. Kelly, and Russian Cosmonauts Gennady Padalka, and Mikhail Kornienko of the Russian Federal Space Agency (Roscosmos) are preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan March 28, Kazakh time. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016. Photo Credit: (NASA/Bill Ingalls)

Expedition 11 crew Commander Sergei Krikalev places the Expedition 11 crew logo onboard the prime crew bus as they head to the cosmodrome for suit up, Thursday, April 14, 2005, in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Russian engineers prepare the escape tower prior to attaching it to the Soyuz TMA-14 spacecraft and boosters Monday, March 23, 2009 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz is scheduled to launch the crew of Expedition 19 and a spaceflight participant on March 26, 2009. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-8 spacecraft and its booster rolled out to the launch pad on Tuesday, March 28, 2006 at the Baikonur Cosmodrome in Baikonur, Kazakhstan for final pre-launch preparations. The Soyuz will blast off on March 30, 2006 to carry Expedition 13 Commander Pavel V. Vinogradov and Science Officer and Flight Engineer Jeffrey N. Williams to the International Space Station for a six-month mission. The spacecraft will also be carrying Brazilian Space Agency Soyuz crew member Marcos Pontes, who will spend 10 days aboard the International Space Station under an agreement with the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-6 spacecraft is seen on the launch pad at the Baikonur Cosmodrome in Kazakhstan, Wednesday, April 13, 2005, as preparations continued for the April 15 launch to send Expedition 11 Commander Sergei Krikalev, Flight Engineer John Phillips and European Space Agency Astronaut Roberto Vittori, of Italy, to the International Space Station. Krikalev and Phillips will spend six months in space and greet the first Shuttle crew to fly in more than two years when it arrives at the station, while Vittori spends eight days on the station under a commercial contract between ESA and the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

October 13, 2003. Baikonur Cosmodrome, Kazakhstan. European Space Agency Astronaut Pedro Duque of Spain climbs into the Soyuz TMA-3 vehicle in a processing facility at the Baikonur Cosmodrome in Kazakhstan on Oct. 13, 2003 during prelaunch training with his crew mates, Expedition 8 Commander and NASA Science Officer Mike Foale and Expedition 8 soyuz Commander Alexander Kaleri. The trio will be launched on Oct. 18 to the International Space Station. Photo Credit"NASA/Bill Ingalls"

Engineers at the Baikonur Cosmodrome prepare to mate the Soyuz TMA-4 capsule with its booster rocket in preparation for a launch on April 19 of the Expedition 9 crew and a European astronaut to the International Space Station, Friday, April 16, 2004 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Spaceflight Participant Charles Simonyi, seated left, Expedition 19 Commander Gennady I. Padalka, seated center, and Flight Engineer Michael R. Barratt don their Russian Sokol suits in preparation for their Soyuz launch to the International Space Station on Thursday, March 26, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)

The Soyuz TMA-8 spacecraft and its booster rolled out to the launch pad on Tuesday, March 28, 2006 at the Baikonur Cosmodrome in Baikonur, Kazakhstan for final pre-launch preparations. The Soyuz will blast off on March 30, 2006 to carry Expedition 13 Commander Pavel V. Vinogradov and Science Officer and Flight Engineer Jeffrey N. Williams to the International Space Station for a six-month mission. The spacecraft will also be carrying Brazilian Space Agency Soyuz crew member Marcos Pontes, who will spend 10 days aboard the International Space Station under an agreement with the Russian Federal Space Agency. Photo Credit: (NASA/Bill Ingalls)

Expedition 16 Commander Peggy Whitson, Flight Engineer and Soyuz Commander Yuri Malenchenko and Malaysian spaceflight participant Sheikh Muszaphar Shukor blasted off from the Baikonur Cosmodrome in Kazakhstan at sunset, Wednesday, Oct. 10, 2007 in their Soyuz TMA-11 spacecraft. They will dock with the International Space Station on October 12. Whitson and Malenchenko will spend six months on the station, while Shukor will return to Earth October 21 with two of the Expedition 15 crewmembers currently on the complex. Photo Credit: (NASA/Bill Ingalls)

Engineers at the Baikonur Cosmodrome mate the Soyuz TMA-4 capsule with its booster rocket in preparation for a launch on April 19 of the Expedition 9 crew and a European astronaut to the International Space Station, Friday, April 16, 2004 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-13 spacecraft launches carrying Expedition 18 Commander Michael Fincke, Flight Engineer Yuri V. Lonchakov and American spaceflight participant Richard Garriott, Sunday, Oct. 12, 2008, from the Baikonur Cosmodrome in Kazakhstan. The three crew members are scheduled to dock with the International Space Station on Oct. 14. Fincke and Lonchakov will spend six months on the station, while Garriott will return to Earth Oct. 24 with two of the Expedition 17 crew members currently on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

A technician at the Baikonur Cosmodrome walks with the Soyuz capsule as it is prepared to mate with its booster rocket in preparation for the April 19 launch of the Expedition 9 crew and a European astronaut to the International Space Station, Friday, April 16, 2008, in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)