Russian Search and Rescue teams arrive at the Soyuz MS-09 spacecraft shortly after it landed with Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

A view looking inside the Soyuz MS-09 spacecraft after it landed with Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Sergey Prokopyev of Roscosmos is helped out of the Soyuz MS-09 spacecraft just minutes after he, Serena Auñón-Chancellor of NASA, and Alexander Gerst of ESA (European Space Agency) landed in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue teams arrive at the Soyuz MS-09 spacecraft shortly after it landed with Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The parachute of the Soyuz MS-09 spacecraft is seen shortly the capsule landed with Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue teams arrive at the Soyuz MS-09 spacecraft shortly after it landed with Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue teams arrive at the Soyuz MS-09 spacecraft shortly after it landed with Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Serena Auñón-Chancellor of NASA is helped out of the Soyuz MS-09 spacecraft just minutes after she, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos, landed in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Alexander Gerst of ESA (European Space Agency) is helped out of the Soyuz MS-09 spacecraft just minutes after he, Serena Auñón-Chancellor of NASA, and Sergey Prokopyev of Roscosmos, landed in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue teams arrive at the Soyuz MS-09 spacecraft shortly after it landed with Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue teams arrive at the Soyuz MS-09 spacecraft shortly after it landed with Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-09 spacecraft is seen shortly after it landed with Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Sergey Prokopyev of Roscosmos is carried to a medical tent shortly after he ,Alexander Gerst of ESA (European Space Agency), and Serena Auñón-Chancellor of NASA landed in their Soyuz MS-09 spacecraft near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 57 crew members Alexander Gerst of ESA (European Space Agency), left, Sergey Prokopyev of Roscosmos, center, and Serena Auñón-Chancellor of NASA sit in chairs outside the Soyuz MS-09 spacecraft after they landed in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 57 crew member Sergey Prokopyev of Roscosmos is seen during a welcome ceremony at the Zhezkazgan, Kazakhstan airport shortly after he landed in a Soyuz MS-09 spacecraft with Alexander Gerst of ESA (European Space Agency), and Serena Auñón-Chancellor of NASA on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Serena Auñón-Chancellor of NASA arrives at the Zhezkazgan, Kazakhstan airport after she, Alexander Gerst of ESA (European Space Agency) and, Sergey Prokopyev of Roscosmos landed in their Soyuz MS-09 spacecraft in a remote area outside of town on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue helicopters are parked near the Soyuz MS-09 spacecraft shortly after it landed with Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Serena Auñón-Chancellor of NASA is carried to a medical tent shortly after she, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos landed in their Soyuz MS-09 spacecraft near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Sergey Prokopyev of Roscosmos rests in a chair after he Alexander Gerst of ESA (European Space Agency), and Serena Auñón-Chancellor of NASA, landed in their Soyuz MS-09 capsule in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Officials, family and friends gather to welcome home Expedition 57 cosmonaut Sergey Prokopyev of Roscosmos after he, Serena Auñón-Chancellor of NASA and Alexander Gerst of ESA (European Space Agency) landed their Soyuz MS-09 capsule near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Sergey Prokopyev of Roscosmos is carried to a medical tent shortly after he,Alexander Gerst of ESA (European Space Agency), and Serena Auñón-Chancellor of NASA landed in their Soyuz MS-09 spacecraft near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Members of the media arrive at the Soyuz MS-09 spacecraft landing zone with Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos onboard near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Alexander Gerst of ESA (European Space Agency) is carried to a medical tent shortly after he, Sergey Prokopyev of Roscosmos, and Serena Auñón-Chancellor of NASA landed in their Soyuz MS-09 spacecraft near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Alexander Gerst of ESA (European Space Agency) is carried to a medical tent shortly after he, Sergey Prokopyev of Roscosmos, and Serena Auñón-Chancellor of NASA landed in their Soyuz MS-09 spacecraft near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Serena Auñón-Chancellor of NASA rests in a chair after she Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos, landed in their Soyuz MS-09 capsule in a remote area near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 57 crew member Alexander Gerst of ESA (European Space Agency) is seen during a welcome ceremony at the Zhezkazgan, Kazakhstan airport shortly after he landed in a Soyuz MS-09 spacecraft with Sergey Prokopyev of Roscosmos, and Serena Auñón-Chancellor of NASA on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Serena Auñón-Chancellor of NASA is helped from an All Terrain Vehicle (ATV) into an awaiting Russian MI-8 helicopter after she, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos landed in their Soyuz MS-09 spacecraft near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 57 crew members Sergey Prokopyev of Roscosmos, left, and Alexander Gerst of ESA (European Space Agency) attend a welcome ceremony at the Zhezkazgan, Kazakhstan airport after they landed in their Soyuz MS-09 spacecraft with Serena Auñón-Chancellor of NASA on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 57 crew members Sergey Prokopyev of Roscosmos and Alexander Gerst of ESA (European Space Agency) attend a welcome ceremony at the Zhezkazgan, Kazakhstan airport after they landed in their Soyuz MS-09 spacecraft with Serena Auñón-Chancellor of NASA on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Officials, family and friends gather to welcome home Expedition 57 cosmonaut Sergey Prokopyev of Roscosmos after he, Serena Auñón-Chancellor of NASA and Alexander Gerst of ESA (European Space Agency) landed their Soyuz MS-09 capsule near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Alexander Gerst of ESA (European Space Agency) is carried to a medical tent shortly after he, Sergey Prokopyev of Roscosmos, and Serena Auñón-Chancellor of NASA landed in their Soyuz MS-09 spacecraft near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Signatures of astronauts, and cosmonauts from various countries can be seen on a door of a room in the Cosmonaut Hotel, Wednesday, June 6, 2018 in Baikonur, Kazakhstan. Expedition 56 crewmembers Serena Auñón-Chancellor of NASA, Sergey Prokopyev of Roscosmos, and Alexander Gerst of ESA (European Space Agency) will follow the traditional and sign the door ahead of their launch onboard a Soyuz MS-09 spacecraft. Auñón-Chancellor, Prokopyev, and Gerst launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA International Space Station Operations Integration Manager Kenny Todd talks to NASA teams back in Houston as Serena Auñón-Chancellor of NASA is carried to a medical tent shortly after she, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos landed in their Soyuz MS-09 spacecraft near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian support personnel in All Terrain Vehicle (ATV) park near the Soyuz MS-09 spacecraft shortly after it landed with Expedition 57 crew members Serena Auñón-Chancellor of NASA, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier speaks with the Soyuz MS-09 crew from the Moscow Mission Control Center in Korolev, Russia a few hours after the Soyuz MS-09 docked to the International Space Station on Friday, June 8, 2018. Hatches were opened at 11:17am EDT (6:17pm Moscow time) and Sergey Prokopyev of Roscosmos, Serena Auñón-Chancellor of NASA, and Alexander Gerst of ESA (European Space Agency) joined Expedition 56 Commander Drew Feustel of NASA, Ricky Arnold of NASA, and Oleg Artemyev of Roscosmos onboard the orbiting laboratory. Photo Credit: (NASA/Joel Kowsky)

Icons for the International Space Station and Soyuz MS-09 spacecraft are seen on a tracking map on a screen in the Moscow Mission Control Center as the spacecraft approaches for docking, Friday, June 8, 2018 in Korolev, Russia. The Soyuz MS-09 spacecraft carrying Serena Auñón-Chancellor of NASA, Sergey Prokopyev of Roscosmos, and Alexander Gerst of ESA (European Space Agency) docked at 9:01am EDT (4:01pm Moscow time) to the Rassvet module of the International Space Station to join Expedition 56 Commander Drew Feustel of NASA and flight engineers Ricky Arnold of NASA and Oleg Artemyev of Roscosmos. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineer Alexander Gerst of ESA (European Space Agency) is seen after the hatches were opened between the Soyuz MS-09 spacecraft and the International Space Station on screens at the Moscow Mission Control Center in Korolev, Russia a few hours after the Soyuz MS-09 docked to the International Space Station on Friday, June 8, 2018. Hatches were opened at 11:17am EDT (6:17pm Moscow time) and Gerst, Serena Auñón-Chancellor of NASA, and Sergey Prokopyev of Roscosmos joined Expedition 56 Commander Drew Feustel of NASA, Ricky Arnold of NASA, and Oleg Artemyev of Roscosmos onboard the orbiting laboratory. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineer Alexander Gerst of ESA (European Space Agency), top, flight engineer Serena Auñón-Chancellor of NASA, middle, and Soyuz Commander Sergey Prokopyev of Roscosmos, bottom, wave farewell prior to boarding the Soyuz MS-09 spacecraft for launch, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Gerst, Auñón-Chancellor, and Prokopyev will spend the next six months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineer Alexander Gerst of ESA (European Space Agency), top, flight engineer Serena Auñón-Chancellor of NASA, middle, and Soyuz Commander Sergey Prokopyev of Roscosmos, bottom, wave farewell prior to boarding the Soyuz MS-09 spacecraft for launch, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Gerst, Auñón-Chancellor, and Prokopyev will spend the next six months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineer Serena Auñón-Chancellor of NASA is seen after the hatches were opened between the Soyuz MS-09 spacecraft and the International Space Station on screens at the Moscow Mission Control Center in Korolev, Russia a few hours after the Soyuz MS-09 docked to the International Space Station on Friday, June 8, 2018. Hatches were opened at 11:17am EDT (6:17pm Moscow time) and Auñón-Chancellor, Alexander Gerst of ESA (European Space Agency), and Sergey Prokopyev of Roscosmos joined Expedition 56 Commander Drew Feustel of NASA, Ricky Arnold of NASA, and Oleg Artemyev of Roscosmos onboard the orbiting laboratory. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier, right, escorts Expedition 56 flight engineer Serena Auñón-Chancellor as she prepares to board the Soyuz MS-09 spacecraft for launch, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Auñón-Chancellor and her crewmates Alexander Gerst of ESA (European Space Agency) and Sergey Prokopyev of Roscosmos will spend the next six months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

A live view of the International Space Station, as seen by cameras onboard the spacecraft with Expedition 56-57 crewmembers Serena Auñón-Chancellor of NASA, Sergey Prokopyev of Roscosmos, and Alexander Gerst of ESA (European Space Agency) is seen on screens at the Moscow Mission Control Center as the spacecraft approaches for docking, Friday, June 8, 2018 in Korolev, Russia. The Soyuz MS-09 spacecraft carrying Auñón-Chancellor, Prokopyev, and Gerst docked at 9:01am EDT (4:01pm Moscow time) to the Rassvet module of the International Space Station to join Expedition 56 Commander Drew Feustel of NASA and flight engineers Ricky Arnold of NASA and Oleg Artemyev of Roscosmos. Photo Credit: (NASA/Joel Kowsky)

A live view of the International Space Station, as seen by cameras onboard the spacecraft with Expedition 56-57 crewmembers Serena Auñón-Chancellor of NASA, Sergey Prokopyev of Roscosmos, and Alexander Gerst of ESA (European Space Agency) is seen on screens at the Moscow Mission Control Center as the spacecraft approaches for docking, Friday, June 8, 2018 in Korolev, Russia. The Soyuz MS-09 spacecraft carrying Auñón-Chancellor, Prokopyev, and Gerst docked at 9:01am EDT (4:01pm Moscow time) to the Rassvet module of the International Space Station to join Expedition 56 Commander Drew Feustel of NASA and flight engineers Ricky Arnold of NASA and Oleg Artemyev of Roscosmos. Photo Credit: (NASA/Joel Kowsky)

A live view of the International Space Station, as seen by cameras onboard the spacecraft with Expedition 56-57 crewmembers Serena Auñón-Chancellor of NASA, Sergey Prokopyev of Roscosmos, and Alexander Gerst of ESA (European Space Agency) is seen on screens at the Moscow Mission Control Center as the spacecraft approaches for docking, Friday, June 8, 2018 in Korolev, Russia. The Soyuz MS-09 spacecraft carrying Auñón-Chancellor, Prokopyev, and Gerst docked at 9:01am EDT (4:01pm Moscow time) to the Rassvet module of the International Space Station to join Expedition 56 Commander Drew Feustel of NASA and flight engineers Ricky Arnold of NASA and Oleg Artemyev of Roscosmos. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineers Ricky Arnold of NASA, left, Oleg Artemyev of Roscosmos, center, and Commander Drew Feustel are seen waving as they wait for the Soyuz hatch to open on a screen in the Moscow Mission Control Center in Korolev, Russia a few hours after the Soyuz MS-09 docked to the International Space Station on Friday, June 8, 2018. Hatches were opened at 11:17am EDT (6:17pm Moscow time) and Serena Auñón-Chancellor of NASA, Sergey Prokopyev of Roscosmos, and Alexander Gerst of ESA (European Space Agency) joined Expedition 56 Commander Drew Feustel of NASA, Ricky Arnold of NASA, and Oleg Artemyev of Roscosmos onboard the orbiting laboratory. Photo Credit: (NASA/Joel Kowsky)

iss056e055758 (June 29, 2018) --- The Soyuz MS-09 spacecraft is pictured docked to the Rassvet module of the International Space Station's Russian segment. The Soyuz MS-09 launched Expedition 56-57 crew members Serena Auñón-Chancellor, Alexander Gerst and Sergey Prokopyev to the station on June 6, 2018 and docked on June 8.

Guests watch a live view of the International Space Station, as seen by cameras onboard the spacecraft with Expedition 56-57 crewmembers Serena Auñón-Chancellor of NASA, Sergey Prokopyev of Roscosmos, and Alexander Gerst of ESA (European Space Agency), on screens at the Moscow Mission Control Center as the spacecraft approaches for docking, Friday, June 8, 2018 in Korolev, Russia. The Soyuz MS-09 spacecraft carrying Auñón-Chancellor, Prokopyev, and Gerst docked at 9:01am EDT (4:01pm Moscow time) to the Rassvet module of the International Space Station to join Expedition 56 Commander Drew Feustel of NASA and flight engineers Ricky Arnold of NASA and Oleg Artemyev of Roscosmos. Photo Credit: (NASA/Joel Kowsky)

jsc2018e050841 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Soyuz MS-09 spacecraft is lowered from its test stand May 29 in preparation for its encapsulation into the upper stage of its Soyuz booster rocket. Serena Aunon-Chancellor of NASA, Alexander Gerst of the European Space Agency and Sergey Prokopyev of Roscosmos will launch June 6 from the Baikonur Cosmodrome on the Soyuz MS-09 spacecraft for a six-month mission on the International Space Station...Courtesy: Roscosmos and RSC-Energia.

jsc2018e050839 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Soyuz MS-09 spacecraft is inserted into the upper stage of its Soyuz booster rocket May 29. Serena Aunon-Chancellor of NASA, Alexander Gerst of the European Space Agency and Sergey Prokopyev of Roscosmos will launch June 6 from the Baikonur Cosmodrome on the Soyuz MS-09 spacecraft for a six-month mission on the International Space Station...Courtesy: Roscosmos and RSC-Energia.

jsc2018e050840 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Soyuz MS-09 spacecraft is inserted into the upper stage of its Soyuz booster rocket May 29. Serena Aunon-Chancellor of NASA, Alexander Gerst of the European Space Agency and Sergey Prokopyev of Roscosmos will launch June 6 from the Baikonur Cosmodrome on the Soyuz MS-09 spacecraft for a six-month mission on the International Space Station...Courtesy: Roscosmos and RSC-Energia.

jsc2018e050837 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Soyuz MS-09 spacecraft is lowered from its test stand May 29 in preparation for its encapsulation into the upper stage of its Soyuz booster rocket. Serena Aunon-Chancellor of NASA, Alexander Gerst of the European Space Agency and Sergey Prokopyev of Roscosmos will launch June 6 from the Baikonur Cosmodrome on the Soyuz MS-09 spacecraft for a six-month mission on the International Space Station...Courtesy: Roscosmos and RSC-Energia.

jsc2018e050003 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 crewmember Serena Aunon-Chancellor of NASA poses for pictures May 20 as she prepares to board the Soyuz MS-09 spacecraft for the first fit check dress rehearsal activities. Aunon-Chancellor, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

jsc2018e050006 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 crewmember Alexander Gerst of the European Space Agency runs through procedures May 20 in the Soyuz MS-09 spacecraft as part of the first fit check dress rehearsal activities. Gerst, Serena Aunon-Chancellor of NASA and Sergey Prokopyev of Roscosmos will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

jsc2018e050004 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 crewmember Alexander Gerst of the European Space Agency runs through procedures May 20 in the Soyuz MS-09 spacecraft as part of the first fit check dress rehearsal activities. Gerst, Serena Aunon-Chancellor of NASA and Sergey Prokopyev of Roscosmos will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

jsc2018e051935 - In the Korolev Museum at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 crewmember Serena Aunon-Chancellor of NASA (left) signs a flag bearing the insignia of the Soyuz MS-09 mission May 31 as crewmate Sergey Prokopyev of Roscosmos (right) assists. Aunon-Chancellor, Prokopyev and Alexander Gerst of the European Space Agency will launch June 6 in the Soyuz MS-09 spacecraft for a six-month mission on the International Space Station. ..NASA/Victor Zelentsov.

jsc2018e049992 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 crewmember Alexander Gerst of the European Space Agency runs through procedures May 20 in the Soyuz MS-09 spacecraft as part of the first fit check dress rehearsal activities. Gerst, Serena Aunon-Chancellor of NASA and Sergey Prokopyev of Roscosmos will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

jsc2018e051924 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 backup crewmember Anne McClain of NASA boards the Soyuz MS-09 spacecraft May 31 for a final inspection. She is one of the backups to the prime crew, Serena Aunon-Chancellor of NASA, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency, who will launch June 6 on the Soyuz MS-09 spacecraft from the Baikonur Cosmodrome for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

jsc2018e049991 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 crewmembers Serena Aunon-Chancellor of NASA (left), Sergey Prokopyev of Roscosmos (center) and Alexander Gerst of the European Space Agency (right) pose for pictures in front of the Soyuz MS-09 spacecraft May 20 as part of their first fit check dress rehearsal activities. They will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

jsc2018e050001 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 crewmembers Serena Aunon-Chancellor of NASA (left), Sergey Prokopyev of Roscosmos (center) and Alexander Gerst of the European Space Agency (right) pose for pictures in their Russian Sokol launch and entry suits in front of the Soyuz MS-09 spacecraft May 20 as part of their first fit check dress rehearsal activities. They will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

jsc2018e050005 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 crewmember Serena Aunon-Chancellor of NASA runs through procedures May 20 in the Soyuz MS-09 spacecraft as part of the first fit check dress rehearsal activities. Aunon-Chancellor, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

jsc2018e050007 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 crewmember Serena Aunon-Chancellor of NASA runs through procedures May 20 in the Soyuz MS-09 spacecraft as part of the first fit check dress rehearsal activities. Aunon-Chancellor, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

jsc2018e050002 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 crewmember Alexander Gerst of the European Space Agency poses for pictures May 20 as he prepares to board the Soyuz MS-09 spacecraft for the first fit check dress rehearsal activities. Gerst, Serena Aunon-Chancellor of NASA and Sergey Prokopyev of Roscosmos will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

jsc2018e049993 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 crewmember Serena Aunon-Chancellor of NASA runs through procedures May 20 in the Soyuz MS-09 spacecraft as part of the first fit check dress rehearsal activities. Aunon-Chancellor, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

Expedition 56 flight engineers Sergey Prokopyev of Roscosmos, bottom left, Alexander Gerst of ESA (European Space Agency), bottom center, and Serena Auñón-Chancellor of NASA, bottom right, are seen with flight engineer Oleg Artemyev of Roscosmos, top left, Commander Drew Feustel of NASA, top center, and flight engineer Ricky Arnold of NASA, top right, are seen on a video monitor as they talk to family and friends at the Moscow Mission Control Center in Korolev, Russia a few hours after the Soyuz MS-09 docked to the International Space Station on Friday, June 8, 2018. Hatches were opened at 11:17am EDT (6:17pm Moscow time). Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineers Sergey Prokopyev of Roscosmos, bottom left, Alexander Gerst of ESA (European Space Agency), bottom center, and Serena Auñón-Chancellor of NASA, bottom right, are seen with flight engineer Oleg Artemyev of Roscosmos, top left, Commander Drew Feustel of NASA, top center, and flight engineer Ricky Arnold of NASA, top right, are seen on a video monitor as they talk to family and friends at the Moscow Mission Control Center in Korolev, Russia a few hours after the Soyuz MS-09 docked to the International Space Station on Friday, June 8, 2018. Hatches were opened at 11:17am EDT (6:17pm Moscow time). Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineers Sergey Prokopyev of Roscosmos, bottom left, Alexander Gerst of ESA (European Space Agency), bottom center, and Serena Auñón-Chancellor of NASA, bottom right, are seen with flight engineer Oleg Artemyev of Roscosmos, top left, Commander Drew Feustel of NASA, top center, and flight engineer Ricky Arnold of NASA, top right, are seen on a video monitor as they talk to family and friends at the Moscow Mission Control Center in Korolev, Russia a few hours after the Soyuz MS-09 docked to the International Space Station on Friday, June 8, 2018. Hatches were opened at 11:17am EDT (6:17pm Moscow time). Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineer Alexander Gerst of ESA is seen as he prepares to have his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Gerst, Soyuz Commander Sergey Prokopyev of Roscosmos, and flight engineer Serena Auñón-Chancellor of NASA launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineer Serena Auñón-Chancellor of NASA prepares to have her Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Auñón-Chancellor, flight engineer Alexander Gerst of ESA (European Space Agency) and Soyuz Commander Sergey Prokopyev of Roscosmos launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

jsc2018e050010 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 backup crewmember David Saint-Jacques of the Canadian Space Agency runs through procedures in the Soyuz MS-09 spacecraft May 20 during the first Soyuz fit check dress rehearsal activities. Saint-Jacques is one of the backup crewmembers to the prime crew, Serena Aunon-Chancellor of NASA, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency who will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

Expedition 56 flight engineer Alexander Gerst of ESA (European Space Agency) has his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Gerst, flight engineer Serena Auñón-Chancellor of NASA, and Soyuz Commander Sergey Prokopyev of Roscosmos launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

jsc2018e050011 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 backup crewmember Anne McClain of NASA runs through procedures in the Soyuz MS-09 spacecraft May 20 during the first Soyuz fit check dress rehearsal activities. McClain is one of the backup crewmembers to the prime crew, Serena Aunon-Chancellor of NASA, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency who will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos has his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Prokopyev, flight engineer Serena Auñón-Chancellor of NASA, and flight engineer Alexander Gerst of ESA (European Space Agency) launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineer Serena Auñón-Chancellor of NASA prepares to have her Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Auñón-Chancellor, flight engineer Alexander Gerst of ESA (European Space Agency) and Soyuz Commander Sergey Prokopyev of Roscosmos launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos has his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Prokopyev, flight engineer Serena Auñón-Chancellor of NASA, and flight engineer Alexander Gerst of ESA (European Space Agency) launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos has his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Prokopyev, flight engineer Serena Auñón-Chancellor of NASA, and flight engineer Alexander Gerst of ESA (European Space Agency) launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineer Alexander Gerst of ESA (European Space Agency) prepares to have his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Gerst, flight engineer Serena Auñón-Chancellor of NASA, and Soyuz Commander Sergey Prokopyev of Roscosmos launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

jsc2018e050009 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Expedition 56 backup crewmembers pose for pictures in front of the Soyuz MS-09 spacecraft May 20 as part of the first Soyuz fit check dress rehearsal activities. From left to right are Anne McClain of NASA, Oleg Kononenko of Roscosmos and David Saint-Jacques of the Canadian Space Agency, who are backups to the prime crew, Serena Aunon-Chancellor of NASA, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency who will launch June 6 on the Soyuz MS-09 spacecraft from Baikonur for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

Expedition 56 flight engineer Serena Auñón-Chancellor of NASA prepares to have her Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Auñón-Chancellor, flight engineer Alexander Gerst of ESA (European Space Agency) and Soyuz Commander Sergey Prokopyev of Roscosmos launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos prepares to have his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Prokopyev, flight engineer Serena Auñón-Chancellor of NASA, and flight engineer Alexander Gerst of ESA (European Space Agency) launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos talks with family and friends after having his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Prokopyev, Serena Auñón-Chancellor of NASA, and Alexander Gerst of ESA (European Space Agency) launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 backup crewmembers David Saint-Jacques of the Canadian Space Agency, left, and Anne McClain of NASA are seen as prime crewmembers Soyuz Commander Sergey Prokopyev of Roscosmos, flight engineer Serena Auñón-Chancellor of NASA, and flight engineer Alexander Gerst of ESA (European Space Agency) prepare to have their Russian Sokol suits pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineer Serena Auñón-Chancellor of NASA, left, prepares to have her Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft as Soyuz Commander Sergey Prokopyev of Roscosmos and flight engineer Alexander Gerst of ESA (European Space Agency) talk with family and friends, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Auñón-Chancellor, Prokopyev, and Gerst launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos prepares to have his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Prokopyev, flight engineer Serena Auñón-Chancellor of NASA, and flight engineer Alexander Gerst of ESA (European Space Agency) launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

U. S. Ambassador to Russia Jon Huntsman Jr. takes a picture while watching Expedition 56 flight engineer Serena Auñón-Chancellor of NASA, Soyuz Commander Sergey Prokopyev of Roscosmos, and flight engineer Alexander Gerst of ESA (European Space Agency) have their Russian Sokol suits pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Auñón-Chancellor, Prokopyev, and Gerst launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

Expedition 56 flight engineer Alexander Gerst of ESA (European Space Agency) prepares to have his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Gerst, flight engineer Serena Auñón-Chancellor of NASA, and Soyuz Commander Sergey Prokopyev of Roscosmos launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineer Serena Auñón-Chancellor of NASA, left, Soyuz Commander Sergey Prokopyev of Roscosmos, center, and flight engineer Alexander Gerst or ESA (European Space Agency), right, are seen as they talk with family and friends after having their Russian Sokol suits pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Auñón-Chancellor, Prokopyev, and Gerst launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

iss056e025135 (June 19, 2018) --- This fish-eye lens view from a window on the International Space Station shows the Northrop Grumman (formerly Orbital ATK) Cygnus commercial space freighter with its cymbal-like Ultra-Flex solar arrays attached to the Unity module. To its right is the Soyuz MS-09 spacecraft docked to the Rassvet module. Cygnus is due to end its mission July 15. The Soyuz MS-09 is planned to return to Earth Dec. 13, carrying Sergey Prokopyev, Alexander Gerst and Serena Auñón-Chancellor home after 192 days in space.

jsc2018e051923 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 backup crewmembers David Saint-Jacques of the Canadian Space Agency (left), Oleg Kononenko of Roscosmos (center) and Anne McClain of NASA (right) pose for pictures May 31 in front of the Soyuz MS-09 spacecraft as part of their final inspection of the vehicle. They are the backups to the prime crew, Serena Aunon-Chancellor of NASA, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency, who will launch June 6 in the Soyuz MS-09 spacecraft for a six-month mission on the International Space Station. ..NASA/Victor Zelentsov.

Expedition 56 flight engineer Serena Auñón-Chancellor of NASA gives a thumbs up to family and friends as she waits to have her Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-09 spacecraft, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Auñón-Chancellor, Sergey Prokopyev of Roscosmos, and Alexander Gerst of ESA (European Space Agency) launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

jsc2018e051925 - In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 56 backup crewmember David Saint-Jacques of the Canadian Space Agency poses for pictures as he boards the Soyuz MS-09 spacecraft May 31 for a final inspection. He is one of the backups to the prime crew, Serena Aunon-Chancellor of NASA, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency, who will launch June 6 on the Soyuz MS-09 spacecraft from the Baikonur Cosmodrome for a six-month mission on the International Space Station...NASA/Victor Zelentsov.

iss057e023088 (Oct. 10, 2018) --- Expedition 57 Commander Alexander Gerst from ESA (European Space Agency) looks out from inside the Soyuz MS-09 spacecraft docked to the Rassvet module seemingly dwarfed by cargo bags and the Soyuz hatch.

Matryoshka Dolls depicting Expedition 57 crew members Serena Auñón-Chancellor of NASA, left, Sergey Prokopyev of Roscosmos, center, and Alexander Gerst of ESA (European Space Agency) are seen during a welcome ceremony at the Zhezkazgan, Kazakhstan airport on Thursday, Dec. 20, 2018. Auñón-Chancellor, Gerst, and Prokopyev are returning after 197 days in space where they served as members of the Expedition 56 and 57 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

iss057e050440 (Oct. 13, 2018) --- Two Russian spacecraft, the Soyuz MS-09 crew ship (foreground) and the Progress 70 resupply ship, are pictured docked to the International Space Station as the orbital complex orbited nearly 257 miles above Ukraine.

iss056e159412 (Aug. 29, 2018) --- The Soyuz MS-09 spacecraft is pictured docked to the Rassvet module on the Russian segment of the International Space Station as the orbital complex was flying 253 miles above the North Pacific Ocean south of Alaska's Aleutian Islands.

iss056e139443 (Aug. 15, 2018) --- Russia's two docked spacecraft, the Soyuz MS-09 (left) crew ship and the Progress 70 resupply ship, are pictured as the International Space Station orbited nearly 254 miles above over northern Kazakhstan.

iss056e139451 (Aug. 15, 2018) --- Two docked Russian spacecraft on the International Space Station, the Soyuz MS-09 crew ship and the Progress 70 resupply ship, were pictured as the orbital complex flew 253 miles above the Andes mountain range and the South American continent.

iss056e161464 (Sept. 6, 2018) --- Expedition 56 Commander Drew Feustel of NASA works inside the seven-windowed Cupola as the International Space Station was about to fly over the coast of Chile in South America. Just outside the Cupola and docked to the Rassvet module is the Soyuz MS-09 spacecraft.

Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos is seen during the State Commission meeting to approve the Soyuz launch of Expedition 56 to the International Space Station, Tuesday, June 5, 2018 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Prokopyev, Serena Auñón-Chancellor of NASA, and Alexander Gerst of ESA (European Space Agency) are scheduled to launch to the International Space Station aboard the Soyuz MS-09 spacecraft on Wednesday, June 6. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen on the launch pad as the service structure arms are closed around it, Monday, June 4, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos, flight engineer Serena Auñón-Chancellor of NASA, and flight engineer Alexander Gerst of ESA (European Space Agency) are scheduled to launch aboard their Soyuz MS-09 spacecraft at 7:12 a.m. Eastern time (5:12 p.m. Baikonur time), on Wednesday, June 6. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, June 4, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos, flight engineer Serena Auñón-Chancellor of NASA, and flight engineer Alexander Gerst of ESA (European Space Agency) are scheduled to launch aboard their Soyuz MS-09 spacecraft at 7:12 a.m. Eastern time (5:12 p.m. Baikonur time), on Wednesday, June 6. Photo Credit: (NASA/Joel Kowsky)