
Expedition 55 flight engineer Ricky Arnold is seen in quarantine, behind glass, during a press conference, Tuesday, March 20, 2018 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Arnold and his fellow Expedition 55 crew members Oleg Artemyev of Roscosmos and flight engineer Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

Igor Komarov, Director of Roscosmos, is seen during the State Commission meeting to approve the Soyuz launch of Expedition 55 to the International Space Station, Tuesday, March 20, 2018. Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos, flight engineer Ricky Arnold and flight engineer Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos is seen during the State Commission meeting to approve the Soyuz launch of Expedition 55 to the International Space Station, Tuesday, March 20, 2018. Artemyev, along with Ricky Arnold and Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

NASA International Space Station Program Manager Kirk Shireman is seen during the State Commission meeting to approve the Soyuz launch of Expedition 55 to the International Space Station, Tuesday, March 20, 2018. Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos, flight engineer Ricky Arnold and flight engineer Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 flight engineer Ricky Arnold of NASA is seen during the State Commission meeting to approve the Soyuz launch of Expedition 55 to the International Space Station, Tuesday, March 20, 2018. Arnold, Soyuz Commander Oleg Artemyev of Roscosmos, and flight engineer Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 backup crew member Nick Hague of NASA is seen in quarantine, behind glass, during a press conference, Tuesday, March 20, 2018 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos, flight engineer Ricky Arnold and flight engineer Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 flight engineer Drew Feustel of NASA is seen during the State Commission meeting to approve the Soyuz launch of Expedition 55 to the International Space Station, Tuesday, March 20, 2018. Feustel, Soyuz Commander Oleg Artemyev of Roscosmos, and flight engineer Ricky Arnold of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 backup crew member Alexey Ovchinin of Roscosmos is seen in quarantine, behind glass, during a press conference, Tuesday, March 20, 2018 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos, flight engineer Ricky Arnold and flight engineer Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

A map for the landing of Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) is seen during a landing operation readiness meeting Saturday, June 2, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA, Roscosmos, and JAXA team members, along with Russian Search and Recovery Forces, meet to discuss the readiness for the landing of Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) Saturday, June 2, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA, Roscosmos, and JAXA team members, along with Russian Search and Recovery Forces, meet to discuss the readiness for the landing of Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) Saturday, June 2, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

A member of the Russian support team walks towards the Soyuz MS-07 spacecraft after it landed with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 55 backup crewmembers Nick Hague of NASA, left, and Alexey Ovchinin of Roscosmos pose for a picture as the Soyuz rocket is rolled out to the pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 prime crew members Ricky Arnold of NASA, left, Oleg Artemyev of Roscosmos, center, and Drew Feustel of NASA, right, are seen in quarantine, behind glass, during a press conference, Tuesday, March 20, 2018 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos, Ricky Arnold and Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

NASA, Roscosmos, and JAXA team members, along with Russian Search and Recovery Forces, meet to discuss the readiness for the landing of Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) Saturday, June 2, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA, Roscosmos, and JAXA team members, along with Russian Search and Recovery Forces, arrive at the Zhezkazgan, Kazakhstan Airport to stage for the Soyuz landing of Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Deputy Director of Rosaviatsiya (Russian Federal Agency for Air Transport) Alexander Vedernikov is seen during a briefing to discuss the readiness for the landing of Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) Saturday, June 2, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

A portion of the Soyuz MS-07 spacecraft is seen shortly after Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) landed in the capsule near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian support personnel work around the Soyuz MS-07 spacecraft shortly after it landed with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Japan Aerospace Exploration Agency (JAXA) astronaut Norishige Kanai is carried to a medical tent shortly after he and fellow Expedition 55 crew mates Roscosmos cosmonaut Anton Shkaplerov, and NASA astronaut Scott Tingle landed in their Soyuz MS-07 spacecraft near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

A Russian MI-8 helicopter is seen at the landing zone after Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) landed in their Soyuz MS-07 spacecraft near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue teams arrive at the Soyuz MS-07 spacecraft shortly after it landed with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Matryoshka Dolls representing Expedition 55 crew members Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), left, Roscosmos cosmonaut Anton Shkaplerov, center, and NASA astronaut Scott Tingle are seen at a Karaganda Airport welcome ceremony in Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The inflatable medical tent is seen at the landing zone shortly after Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) landed in their Soyuz MS-07 spacecraft near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

A window of the charred Soyuz MS-07 spacecraft is seen shortly after Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) landed in the capsule near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Japan Aerospace Exploration Agency (JAXA) astronaut Norishige Kanai is carried to a medical tent shortly after he and fellow Expedition 55 crew mates Roscosmos cosmonaut Anton Shkaplerov, and NASA astronaut Scott Tingle landed in their Soyuz MS-07 spacecraft near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Support personnel wait outside the inflatable medical tent after Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) landed in their Soyuz MS-07 spacecraft near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Scott Tingle is carried to a medical tent shortly after he and fellow Expedition 55 crew mates Roscosmos cosmonaut Anton Shkaplerov, and Japan Aerospace Exploration Agency (JAXA) astronaut Norishige Kanai landed in their Soyuz MS-07 spacecraft near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue teams arrive at the Soyuz MS-07 spacecraft shortly after it landed with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian support personnel work around the Soyuz MS-07 spacecraft shortly after it landed with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue teams arrive at the Soyuz MS-07 spacecraft shortly after it landed with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue teams arrive at the Soyuz MS-07 spacecraft shortly after it landed with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Japan Aerospace Exploration Agency (JAXA) astronaut Norishige Kanai departs the medical tent shortly after he and fellow Expedition 55 crew members, Roscosmos cosmonaut Anton Shkaplerov, and NASA astronaut Scott Tingle landed in their Soyuz MS-07 spacecraft near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Officials, family, and media gather to welcome home Expedition 55 cosmonaut Anton Shkaplerov of Roscosmos, right, after he and NASA astronauts Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) landed their Soyuz MS-07 capsule near the town of Zhezkazgan, Kazakhstan on Monday, June 4, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Scott Tingle is carried to a medical tent shortly after he and fellow Expedition 55 crew mates, Roscosmos cosmonaut Anton Shkaplerov, and Japan Aerospace Exploration Agency (JAXA) astronaut Norishige Kanai landed in their Soyuz MS-07 spacecraft near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. Shkaplerov, Tingle, and Kanai are returning after 168 days in space where they served as members of the Expedition 54 and 55 crews onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz rocket is seen on the launch pad after being raised into a vertical position, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen on the launch pad after the service structure arms were closed around it, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

An Orthodox Priest blesses members of the media at the Baikonur Cosmodrome launch pad, Tuesday, March 20, 2018 in Baikonur, Kazakhstan. Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos, Ricky Arnold and Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 flight engineer Ricky Arnold of NASA is seen in quarantine, behind glass, during a press conference, Tuesday, March 20, 2018 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Arnold, Soyuz Commander Oleg Artemyev of Roscosmos, flight engineer Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos answers a question during a press conference, Tuesday, March 20, 2018 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Artemyev, flight engineer Ricky Arnold and flight engineer Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket is launched with Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev, Arnold, and Feustel will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Workers prepare to raise the Soyuz rocket into a vertical position on the pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen on the launch pad shortly after being rolled out by train, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 flight engineer Ricky Arnold answers a question during a press conference, Tuesday, March 20, 2018 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Arnold, Soyuz Commander Oleg Artemyev of Roscosmos, and flight engineer Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen on the launch pad as the service structure arms are closed around it, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket is launched with Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev, Arnold, and Feustel will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Workers are seen on a gantry after the Soyuz rocket was raised into a vertical position on the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket is launched with Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev, Arnold, and Feustel will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket is launched with Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev, Arnold, and Feustel will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

A firefighter is seen in front of the Soyuz rocket as teams await the arrival of Expedition 55 crew members Oleg Artemyev of Roscosmos, Ricky Arnold of NASA, and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Arnold, Artemyev, and Feustel launched aboard the Soyuz MS-08 spacecraft at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA International Space Station Program Manager Kirk Shireman escorts Expedition 55 flight engineer Ricky Arnold of NASA as he prepares to board the Soyuz MS-08 spacecraft for launch, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Arnold and his crewmates Drew Feustel of NASA and Oleg Artemyev of Roscosmos will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket is launched with Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev, Arnold, and Feustel will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen inside Building 112 prior to being rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos has his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-08 spacecraft, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev and flight engineers Ricky Arnold and Drew Feustel of NASA launched aboard the Soyuz MS-08 spacecraft at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket is launched with Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev, Arnold, and Feustel will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket is launched with Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev, Arnold, and Feustel will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

A pair of Orthodox Priests are seen after blessing the Soyuz rocket at the Baikonur Cosmodrome launch pad, Tuesday, March 20, 2018 in Baikonur, Kazakhstan. Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos, Ricky Arnold and Drew Feustel of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket is launched with Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev, Arnold, and Feustel will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos waves farewell to family and friends as he and flight engineers Ricky Arnold and Drew Feustel of NASA depart for the launch pad a few hours before their launch, Wednesday, March 21, 2018 at the Baikonur Cosmodrome Kazakhstan. Launch of the Soyuz rocket will send Artemyev, Arnold, and Feustel on a five month mission aboard the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket is seen inside Building 112 prior to being rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket is launched with Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev, Arnold, and Feustel will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Workers are seen on a gantry after the Soyuz rocket was raised into a vertical position on the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 flight engineer Ricky Arnold of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Oleg Artemyev of Roscosmos and Drew Feustel of NASA, Wednesday, March 21, 2018 in Baikonur, Kazakhstan. Arnold, Artemyev, and Feustel will launch in their Soyuz MS-08 spacecraft to the International Space Station to begin a five month mission. Photo Credit: (NASA/Joel Kowsky)

Workers are seen on a gantry after the Soyuz rocket was raised into a vertical position on the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket is launched with Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev, Arnold, and Feustel will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 flight engineer Drew Feustel of NASA is seen in quarantine, behind glass, during a press conference, Tuesday, March 20, 2018 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Feustel, Oleg Artemyev of Roscosmos, and flight engineer Ricky Arnold of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket boosters are seen being jettisoned during launch from the Baikonur Cosmodrome, Wednesday, March 21, 2018 in Kazakhstan. Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmosand flight engineers Ricky Arnold and Drew Feustel of NASA will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket is launched with Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev, Arnold, and Feustel will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz MS-08 rocket is launched with Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Artemyev, Arnold, and Feustel will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The launch pad is seen just before sunrise, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 flight engineer Ricky Arnold of NASA waves farewell as he and Soyuz Commander Oleg Artemyev of Roscosmos and flight engineer Drew Feustel of NASA depart Building 254 for the launch pad a few hours before their launch, Wednesday, March 21, 2018 at the Baikonur Cosmodrome Kazakhstan. Launch of the Soyuz rocket will send Arnold, Artemyev, and Feustel on a five month mission aboard the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 flight engineer Drew Feustel is seen in quarantine, behind glass, during a press conference, Tuesday, March 20, 2018 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Feustel, Soyuz Commander Oleg Artemyev of Roscosmos, and flight engineer Ricky Arnold of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March, 21. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad, Monday, March 19, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 crewmembers Ricky Arnold and Drew Feustel of NASA and Oleg Artemyev of Roscosmos are scheduled to launch at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 and will spend the next five months living and working aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)