
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)

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)

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)

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)

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)

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 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)

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)

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)

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)

jsc2017e136940 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, the Expedition 54-55 prime and backup crewmembers raise the flags of Russia, the United States, Japan and Kazakhstan Dec. 6 in traditional pre-launch ceremonies. Anton Shkaplero

jsc2017e136094 - Aboard a Gagarin Cosmonaut Training Center aircraft en route to the launch site at the Baikonur Cosmodrome in Kazakhstan, Expedition 54-55 crewmember Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos, left) affixes a sticker bearing the Expedition 55 crew insignia to the wall of the plane Dec. 4 as crewmates Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA, center) and Scott Tingle of NASA (right) look on. They will launch Dec. 17 on the Soyuz MS-07 spacecraft for a five-month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2017e138117 - At the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Expedition 54-55 prime crewmembers pose for pictures Dec. 13 in front of the Soyuz MS-07 spacecraft during pre-launch training. Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos, center) and Scott Tingle of NASA (right) will launch Dec. 17 on the Soyuz MS-07 vehicle for a five month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2017e136937 - At the Baikonur Museum in Baikonur, Kazakhstan, Expedition 54-55 backup crewmember Jeanette Epps of NASA views a model of a Soyuz rocket Dec. 6 during a traditional pre-launch visit to the facility. Epps, Sergey Prokopyev of the Russian Fe

jsc2017e136939 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, the Expedition 54-55 backup crewmembers take a stroll down the Walk of Cosmonauts Dec. 6 to lay flowers in traditional pre-launch ceremonies. From left to right are Jeanette Epp

jsc2017e136100 - At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 54-55 backup and prime crewmembers pose for pictures Dec. 4 prior to their departure for their launch site at the Baikonur Cosmodrome in Kazakhstan. From left to right are backup crewmembers Alexander Gerst of the European Space Agency, Jeanette Epps of NASA and Sergey Prokopyev of the Russian Federal Space Agency (Roscosmos) and prime crewmembers Norishige Kanai of the Japan Aerospace Agency (JAXA), Anton Shkaplerov of Roscosmos and Scott Tingle of NASA. Kanai, Shkaplerov and Tingle are scheduled to launch Dec. 17 on the Soyuz MS-07 spacecraft for a five-month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2017e136096 - Expedition 54-55 backup crewmembers Jeanette Epps of NASA (left), Sergey Prokopyev of the Russian Federal Space Agency (Roscosmos, center) and Alexander Gerst of the European Space Agency (right) arrive at the launch site at the Baikonur Cosmodrome in Kazakhstan Dec. 4 following a flight from their training base in Star City, Russia. They are serving as backups to the prime crew, Scott Tingle of NASA, Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), who will launch Dec. 17 on the Soyuz MS-07 spacecraft for a five-month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2017e138116 - At the Korolev Museum at the Baikonur Cosmodrome in Kazakhstan, Expedition 54-55 prime crewmember Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) signs a wall mural Dec. 13 as part of traditional pre-launch ceremonies. Kanai, Scott Tingle of NASA and Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) will launch Dec. 17 on the Soyuz MS-07 spacecraft for a five month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2017e137344 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 54-55 prime crewmember Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) tries his hand at a game of billiards Dec. 11 during a break in pre-launch training. Shkaplerov, Scott Tingle of NASA and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) will launch Dec. 17 on the Soyuz MS-07 spacecraft from the Baikonur Cosmodrome for a five month mission on the International Space Station...Andrey Shelepin / Gagarin Cosmonaut Training Center.

jsc2017e137337 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 54-55 prime crewmember Scott Tingle of NASA plays a game of chess Dec. 11 during a break in his pre-launch training. Tingle, Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) and Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) will launch Dec. 17 on the Soyuz MS-07 spacecraft from the Baikonur Cosmodrome for a five month mission on the International Space Station...Andrey Shelepin / Gagarin Cosmonaut Training Center.

jsc2017e136048 - At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 54-55 prime crewmember Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) listens to a reporter’s question during a crew news conference Nov. 30. Shkaplerov, Scott Tingle of NASA and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) will launch Dec. 17 on the Soyuz MS-07 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a five-month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

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 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)

jsc2018e004728 (Nov. 14, 20178) --- Roscosmos cosmonaut Oleg Artemyev is pictured in a Sokol launch and entry suit at the Gagarin Cosmonaut Training Center. Artemyev launched to the International Space Station as an Expedition 55-56 crew member.

jsc2017e136060 - On a snowy night at Red Square in Moscow, Expedition 54-55 crewmember Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) lays flowers at the Kremlin Wall where Russian space icons are interred in traditional pre-launch ceremonies Nov. 30. Kanai, Scott Tingle of NASA and Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) will launch from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-07 spacecraft Dec. 17 for a five-month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2017e136058 - On a snowy night at Red Square in Moscow, Expedition 54-55 crewmember Scott Tingle of NASA lays flowers at the Kremlin Wall where Russian space icons are interred in traditional pre-launch ceremonies Nov. 30. Tingle, Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) will launch from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-07 spacecraft Dec. 17 for a five-month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2017e136054 - On a snowy night at Red Square in Moscow, Expedition 54-55 crewmember Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) lays flowers at the Kremlin Wall where Russian space icons are interred in traditional pre-launch ceremonies Nov. 30. Shkaplerov, Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) and Scott Tingle of NASA will launch from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-07 spacecraft Dec. 17 for a five-month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2017e136055 - On a snowy night at Red Square in Moscow, Expedition 54-55 backup crewmember Jeanette Epps of NASA lays flowers at the Kremlin Wall where Russian space icons are interred in traditional pre-launch ceremonies Nov. 30. Looking on are backup crewmembers Sergey Prokopyev of the Russian Federal Space Agency (Roscosmos, left) and Alexander Gerst of the European Space Agency. They are backups to Anton Shkaplerov of Roscosmos, Scott Tingle of NASA and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), who will launch from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-07 spacecraft Dec. 17 for a five-month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2017e138121 - At the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Expedition 54-55 backup crewmembers pose for pictures Dec. 13 in front of the Soyuz MS-07 spacecraft during pre-launch training. Jeanette Epps of NASA (left), Sergey Prokopyev of the Russian Federal Space Agency (Roscosmos, center) and Alexander Gerst of the European Space Agency (right) are serving as backups to the prime crewmembers, Scott Tingle of NASA, Anton Shkaplerov of Roscosmos and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), who will launch Dec. 17 on the Soyuz MS-07 vehicle for a five month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2017e137339 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 54-55 prime crewmember Scott Tingle of NASA tests his vestibular skills on a rotating chair Dec. 11 as part of his pre-launch training. Tingle, Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) and Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) will launch Dec. 17 on the Soyuz MS-07 spacecraft from the Baikonur Cosmodrome for a five month mission on the International Space Station...Andrey Shelepin / Gagarin Cosmonaut Training Center.

jsc2017e137338 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 54-55 prime crewmember Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) tries his hand at a game of billiards Dec. 11 during a break in pre-launch training while backup crewmember Jeanette Epps of NASA looks on. Kanai, Scott Tingle of NASA and Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) will launch Dec. 17 on the Soyuz MS-07 spacecraft from the Baikonur Cosmodrome for a five month mission on the International Space Station...Andrey Shelepin / Gagarin Cosmonaut Training Center.

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)

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)

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 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)

iss055e004979 (March 24, 2018) --- The Soyuz MS-07 spacecraft that launched three Expedition 54-55 crew members to the International Space Station on Dec. 17, 2017 is pictured docked to the Rassvet module.

At their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, the Expedition 55 prime and backup crewmembers raise the flags of Russia, the United States and Kazakhstan in traditional pre-launch ceremonies March 6. Drew Feustel and Ricky Arnold of NASA a

jsc2017e108570 (April 7, 2017) --- Portrait of NASA astronaut and Expedition 54-55 Flight Engineer Scott Tingle attired in his Sokol launch and entry suit at the Gagarin Cosmonaut Training Center in Star City, Russia.

jsc2017e137826_alt (Nov. 14, 2017) --- Portrait of NASA astronaut and Expedition 55-56 Flight Engineer Ricky Arnold attired in his Sokol launch and entry suit at the Gagarin Cosmonaut Training Center in Star City, Russia.

At their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, the Expedition 55 prime and backup crewmembers raise the flags of Russia, the United States and Kazakhstan in traditional pre-launch ceremonies March 6. Prime crewmembers Drew Feustel and Rick

Expedition 55 prime crew members Ricky Arnold of NASA, left, Oleg Artemyev of Roscosmos, second from left, and Drew Feustel of NASA, center, are seen with backup crew members Alexey Ovchinin of Roscosmos, second from right, and Nick Hague of NASA, right, during the State Commission meeting to approve the Soyuz launch of Expedition 55 to the International Space Station, Tuesday, March 20, 2018. Arnold, Artemyev, and Feustel 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 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)

jsc2017e138126 - At the Baikonur Cosmodrome in Kazakhstan, the Expedition 54-55 prime and backup crewmembers pose for pictures Dec. 13 in front of the cottage where Yuri Gagarin slept on the night before his launch April 12, 1961 to become the first human to fly in space. From left to right are backup crewmembers Alexander Gerst of the European Space Agency, Sergey Prokopyev of the Russian Federal Space Agency (Roscosmos) and Jeanette Epps of NASA, and prime crewmembers Scott Tingle of NASA, Anton Shkaplerov of Roscosmos and Norishige Kanai of the Japan Aerospace Exploration Agency. Tingle, Kanai and Shkaplerov will launch Dec. 17 on the Soyuz MS-07 spacecraft for a five month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2017e136047 - At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 54-55 prime crewmember Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) signs a ceremonial book Nov. 30 as part of traditional pre-launch ceremonies. In the front row from left to right are the prime crewmembers, Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), Shkaplerov and Scott Tingle of NASA. Looking on in the back row are the backup crewmembers, NASA’s Jeanette Epps, Sergey Prokopyev of Roscosmos and Alexander Gerst of the European Space Agency. Shkaplerov, Tingle and Kanai will launch Dec. 17 on the Soyuz MS-07 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a five-month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2018e004729 (November 14, 2017) --- Expedition 55-56 crew members (from left) Ricky Arnold of NASA, Oleg Artemyev of Roscosmos and Drew Feustel of NASA pose for a crew portrait in Sokol launch and entry suits at the Gagarin Cosmonaut Training Center in Star City, Russia.

jsc2018e025598 - In the Korolev Museum at the Baikonur Cosmodrome in Kazakhstan, Expedition 55 crewmembers Ricky Arnold of NASA (left), Oleg Artemyev of Roscosmos (center) and Drew Feustel of NASA (right) display the Russian Sokol launch and entry suit worn by Artemyev during his first flight into space in 2014 as part of the Expedition 39-40 crew. Artemyev is donating the suit to the museum as an historical artifact. The crewmembers will launch March 21 on the Soyuz MS-08 spacecraft for a five-month mission on the International Space Station...NASA/Victor Zelentsov.

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)

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)

Expedition 55 flight engineer Drew Feustel of NASA waves farewell to family and friends as he and Soyuz Commander Oleg Artemyev of Roscosmos and flight engineer Ricky Arnold 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 Feustel, Artemyev, and Arnold on a five month mission aboard the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz MS-08 rocket is seen on the launch pad hours before launch, Wednesday, March 21, 2018 at the Baikonur Cosmodrome in Kazakhstan. Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos and flight engineers Drew Feustel and Ricky Arnold of NASA launched at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) to begin a five month mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 flight engineer Drew Feustel of NASA waves farewell to family and friends as he and Soyuz Commander Oleg Artemyev of Roscosmos and flight engineer Ricky Arnold 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 Feustel, Artemyev, and Arnold on a five month mission aboard the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

Launch guests watch as 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)

jsc2017e136101 - At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 54-55 crewmembers Norishige Kanai of the Japan Aerospace Agency (JAXA, left), Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos, center) and Scott Tingle of NASA (right) answer reporters’ questions Dec. 4 prior to their departure for their launch site at the Baikonur Cosmodrome in Kazakhstan. They are scheduled to launch Dec. 17 on the Soyuz MS-07 spacecraft for a five-month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

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)

jsc2018e025551 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 55 crewmembers Oleg Artemyev of Roscosmos (left), Drew Feustel of NASA (center) and Ricky Arnold of NASA (right) share a game of chess March 15 as part of their pre-launch activities. They will launch March 21 on the Soyuz MS-08 spacecraft from the Baikonur Cosmodrome on a five-month mission to the International Space Station...NASA/Victor Zelentsov.

jsc2018e010825 - Bundled up against a blizzard, Expedition 55 crewmembers Ricky Arnold of NASA (left), Oleg Artemyev of Roscosmos (center) and Drew Feustel of NASA (right) answer reporters’ questions March 4 at the Gagarin Cosmonaut Training Center in Star City, Russia before flying to their launch site at the Baikonur Cosmodrome in Kazakhstan. The trio will launch March 21 on the Soyuz MS-08 spacecraft for a five month mission on the International Space Station...NASA/Elizabeth Weissinger.

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)

jsc2017e138120 - At the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 54-55 prime crewmember Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) boards the Soyuz MS-07 spacecraft Dec. 13 for the continuation of pre-launch training. Shkaplerov, Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) and Scott Tingle of NASA (right) will launch Dec. 17 on the Soyuz MS-07 vehicle for a five month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

jsc2018e010868 - At the Baikonur Cosmodrome in Kazakhstan, Expedition 55 crewmember Drew Feustel of NASA undergoes a leak check March 5 in a Russian Sokol launch and entry suit as part of the crew’s first vehicle fit check activities. Feustel, Ricky Arnold of NASA and Oleg Artemyev of Roscosmos will launch March 21 in the Soyuz MS-08 spacecraft from Baikonur for a five-month mission on the International Space Station...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)

jsc2017e138123 - At the Korolev Museum at the Baikonur Cosmodrome in Kazakhstan, Expedition 54-55 prime crewmember Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) signs a wall mural Dec. 13 as part of traditional pre-launch ceremonies. Shkaplerov, Scott Tingle of NASA and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) will launch Dec. 17 on the Soyuz MS-07 spacecraft for a five month mission on the International Space Station...Andrey Shelepin/Gagarin Cosmonaut Training Center.

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)

jsc2018e008068 - At Red Square in Moscow, Expedition 55 crewmember Drew Feustel of NASA lays flowers at the Kremlin Wall where Russian space icons are interred in traditional pre-launch activities Feb. 22. Feustel, Oleg Artemyev of Roscosmos and Ricky Arnold of NASA will launch March 21 on the Soyuz MS-08 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a five-month mission on the International Space Station...Gagarin Cosmonaut Training Center/Andrey Shelepin and Irina Spektor .

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)

jsc2018e008064 - At Red Square in Moscow, Expedition 55 crewmembers Ricky Arnold of NASA (left), Oleg Artemyev of Roscosmos (center) and Drew Feustel of NASA (right) pose for pictures by the Kremlin Wall Feb. 22 in traditional pre-launch activities. They will launch March 21 on the Soyuz MS-08 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a five-month mission on the International Space Station...Gagarin Cosmonaut Training Center/Andrey Shelepin and Irina Spektor .

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)

jsc2018e025548 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 55 crewmembers Ricky Arnold of NASA (left), Oleg Artemyev of Roscosmos (center) and Drew Feustel of NASA (right) practice rendezvous techniques on a laptop computer simulator March 15 as part of their pre-launch activities. They will launch March 21 on the Soyuz MS-08 spacecraft from the Baikonur Cosmodrome on a five-month mission to the International Space Station...NASA/Victor Zelentsov.

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)

jsc2018e025546 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 55 crewmembers Drew Feustel of NASA (left), Oleg Artemyev of Roscosmos (center) and Ricky Arnold of NASA (right) pose for pictures by a Soyuz model March 15 as part of their pre-launch activities. They will launch March 21 on the Soyuz MS-08 spacecraft from the Baikonur Cosmodrome on a five-month mission to the International Space Station...NASA/Victor Zelentsov.

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)

jsc2018e025550 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 55 crewmembers Ricky Arnold of NASA (second from left), Oleg Artemyev of Roscosmos (second from right) and Drew Feustel of NASA (right) listen to training instructors March 15 as part of their pre-launch activities. They will launch March 21 on the Soyuz MS-08 spacecraft from the Baikonur Cosmodrome on a five-month mission to the International Space Station...NASA/Victor Zelentsov.

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)

jsc2018e025542 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 55 crewmember Ricky Arnold of NASA (center) plants a tree in his name March 15 in traditional pre-launch activities. Assisting him are his crewmates, Oleg Artemyev of Roscosmos (left) and Drew Feustel of NASA (right). They will launch March 21 on the Soyuz MS-08 spacecraft from the Baikonur Cosmodrome on a five-month mission to the International Space Station...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)

jsc2018e008062 - At Red Square in Moscow, Expedition 55 crewmember Oleg Artemyev lays flowers at the Kremlin Wall where Russian space icons are interred in traditional pre-launch activities Feb. 22. Artemyev, Drew Feustel of NASA and Ricky Arnold of NASA will launch March 21 on the Soyuz MS-08 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a five-month mission on the International Space Station...Gagarin Cosmonaut Training Center/Andrey Shelepin and Irina Spektor .

jsc2018e025539 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 55 crewmembers Ricky Arnold of NASA (left), Oleg Artemyev of Roscosmos (center) and Drew Feustel of NASA (right) take a stroll down the Walk of Cosmonauts March 15 as part of their pre-launch activities. They will launch March 21 on the Soyuz MS-08 spacecraft from the Baikonur Cosmodrome on a five-month mission to the International Space Station...NASA/Victor Zelentsov.

Expedition 55 flight engineer Ricky Arnold of NASA, left, Soyuz Commander Oleg Artemyev of Roscosmos, center, and flight engineer Drew Feustel of NASA, right, are seen as they depart Building 254 and report to mission managers 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)

jsc2018e025556 - At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 55 crewmembers Drew Feustel of NASA (top) and Ricky Arnold of NASA (bottom) conduct tests of their vestibular systems on tilt tables March 15 as part of pre-launch activities. Along with Oleg Artemyev of Roscosmos, they will launch March 21 on the Soyuz MS-08 spacecraft from the Baikonur Cosmodrome on a five-month mission to the International Space Station...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)

jsc2018e010883 - At the Baikonur Cosmodrome in Kazakhstan, Expedition 55 crewmembers Ricky Arnold of NASA (left), Oleg Artemyev of Roscosmos (center) and Drew Feustel of NASA (right) pose for pictures with their Russian Sokol launch and entry suits March 5 as part of the crew’s first vehicle fit check activities. They will launch March 21 in the Soyuz MS-08 spacecraft from Baikonur for a five-month mission on the International Space Station...NASA/Victor Zelentsov.

jsc2018e024051 -- In the city of Baikonur, Kazakhstan, Expedition 55 backup crewmembers Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) pose for pictures March 6 in a “yurt”, a traditional Kazakh dwelling, during a pre-launch tour of the city’s museum. Prime crewmembers Drew Feustel and Ricky Arnold of NASA and Oleg Artemyev of Roscosmos will launch March 21 on the Soyuz MS-08 spacecraft from the Baikonur Cosmodrome for a five-month mission on the International Space Station. Credit: NASA/Victor Zelentsov

jsc2017e137335 - At their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 54-55 prime crewmembers Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA, left), Scott Tingle of NASA (center) and Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos, right) confer with Soyuz spacecraft trainers Dec. 11 as part of their pre-launch training. They will launch Dec. 17 on the Soyuz MS-07 spacecraft from the Baikonur Cosmodrome for a five month mission on the International Space Station...Andrey Shelepin / Gagarin Cosmonaut Training Center.

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)