The Soyuz MS-12 spacecraft is launched with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-12 spacecraft is launched with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-12 spacecraft is launched with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-12 spacecraft is seen in this long exposure photograph as it launches with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-12 spacecraft is launched with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-12 spacecraft is launched with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-12 spacecraft is launched with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-12 spacecraft is launched with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-12 spacecraft is launched with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-12 spacecraft is launched with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-12 spacecraft is launched with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

An airplane shaped wind vane is seen in silhouette as the Soyuz MS-12 spacecraft is launched with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz MS-12 spacecraft is launched with Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, Friday March 15, 2019, Kazakh time (March 14 Eastern time) at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Visitors watch as the Soyuz rocket is raised into vertical position on the launch pad, Tuesday, March 12, 2019 at the Baikonur Cosmodrome in Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz launch pad is seen prior to the rocket arriving, Tuesday, March 12, 2019 at the Baikonur Cosmodrome in Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz rocket is raised into vertical position on the launch pad, Tuesday, March 12, 2019 at the Baikonur Cosmodrome in Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket is raised into vertical position on the launch pad, Tuesday, March 12, 2019 at the Baikonur Cosmodrome in Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket is raised into vertical position on the launch pad, Tuesday, March 12, 2019 at the Baikonur Cosmodrome in Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket is raised into vertical position on the launch pad, Tuesday, March 12, 2019 at the Baikonur Cosmodrome in Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket is raised into vertical position on the launch pad, Tuesday, March 12, 2019 at the Baikonur Cosmodrome in Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket is raised into vertical position on the launch pad, Tuesday, March 12, 2019 at the Baikonur Cosmodrome in Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz rocket is raised into vertical position on the launch pad, Tuesday, March 12, 2019 at the Baikonur Cosmodrome in Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 59 crewmembers Nick Hague of NASA, top, Christina Koch of NASA, center, and Alexey Ovchinin of Roscosmos wave farewell prior to boarding the Soyuz MS-12 spacecraft for launch, Thursday, March 14, 2019 at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin will spend six-and-a-half months living and working aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

At the Baikonur Cosmodrome in Kazakhstan Expedition 59 crewmembers Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) share a playful moment with their Sokol launch and entry suits Feb. 27 after completing the first of two Soyuz spacecraft fit checks during pre-launch training. They will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Christina Koch of NASA undergoes a Sokol launch suit pressure check Feb. 27 during pre-launch training. Koch, Nick Hague of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crewmember Nick Hague of NASA prepares to depart Feb. 26 for his launch site at the Baikonur Cosmodrome in Kazakhstan for final pre-launch training. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch on March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Beth Weissinger

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Christina Koch of NASA undergoes a Sokol launch suit pressure check Feb. 27 during pre-launch training. Koch, Nick Hague of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Christina Koch of NASA undergoes a Sokol launch suit pressure check Feb. 27 during pre-launch training. Koch, Nick Hague of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Nick Hague of NASA undergoes a Sokol launch suit pressure check Feb. 27 during pre-launch training. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Nick Hague of NASA undergoes a Sokol launch suit pressure check Feb. 27 during pre-launch training. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Nick Hague of NASA undergoes a Sokol launch suit pressure check Feb. 27 during pre-launch training. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Nick Hague of NASA works inside the Soyuz MS-12 spacecraft Feb. 27 during pre-launch training. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Nick Hague of NASA works inside the Soyuz MS-12 spacecraft Feb. 27 during pre-launch training. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Nick Hague of NASA works inside the Soyuz MS-12 spacecraft Feb. 27 during pre-launch training. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Nick Hague of NASA works inside the Soyuz MS-12 spacecraft Feb. 27 during pre-launch training. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Gagarin Cosmonaut Training Center in Star City, Russia, the Expedition 59 prime and backup crewmembers pose for pictures Feb. 26 in front of the statue of Vladimir Lenin as they prepared to depart for their launch site at the Baikonur Cosmodrome in Kazakhstan for final pre-launch training. From left to right are the backup crew, Drew Morgan of NASA, Alexander Skvortsov of Roscosmos and Luca Parmitano of the European Space Agency, and the prime crew, Christina Koch of NASA, Alexey Ovchinin of Roscosmos and Nick Hague of NASA, who will launch on March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Beth Weissinger

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crewmembers Christina Koch of NASA (left) and Nick Hague of NASA (right) share a moment Feb. 26 before departing for their launch site at the Baikonur Cosmodrome in Kazakhstan for final pre-launch training. Hague, Koch and Alexey Ovchinin of Roscosmos will launch on March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Beth Weissinger

At the Baikonur Cosmodrome in Kazakhstan, the Expedition 59 prime and backup crewmembers pose for pictures Feb. 27 as part of their pre-launch training. In the front row are the prime crewmembers, Christina Koch of NASA, Alexey Ovchinin of Roscosmos and Nick Hague of NASA. In the back row are their backups, Drew Morgan of NASA, Alexander Skvortsov of Roscosmos and Luca Parmitano of the European Space Agency. Koch, Hague and Ovchinin will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Christina Koch of NASA suits up for a Soyuz fit check dress rehearsal Feb. 27 during pre-launch training. Koch, Nick Hague of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crewmembers Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) pose for pictures Feb. 21 following a pre-launch news conference. They will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Andrey Shelepin/Gagarin Cosmonaut Training Center

Expedition 59 crewmembers Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) pose for pictures Feb. 26 after arriving at the Baikonur Cosmodrome in Kazakhstan for final pre-launch training following a flight from their training base at the Gagarin Cosmonaut Training Center in Star City, Russia. They will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crewmember Alexey Ovchinin of Roscosmos (right) responds to a reporter’s question Feb. 21 during a pre-launch news conference as crewmates Christina Koch of NASA (left) and Nick Hague of NASA (center) look on. They will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Andrey Shelepin/Gagarin Cosmonaut Training Center

Expedition 59 crewmembers Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) arrive at the Baikonur Cosmodrome in Kazakhstan Feb. 26 for final pre-launch training following a flight from their training base at the Gagarin Cosmonaut Training Center in Star City, Russia. They will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Christina Koch of NASA works inside the Soyuz MS-12 spacecraft Feb. 27 during pre-launch training. Koch, Alexey Ovchinin of Roscosmos and Nick Hague of NASA (right) will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Christina Koch of NASA works inside the Soyuz MS-12 spacecraft Feb. 27 during pre-launch training. Koch, Alexey Ovchinin of Roscosmos and Nick Hague of NASA (right) will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmember Nick Hague of NASA suits up for a Soyuz fit check dress rehearsal Feb. 27 during pre-launch training. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crewmember Christina Koch of NASA boards a Soyuz spacecraft simulator Feb. 20 during the second day of final pre-launch qualifications exams. Koch, Nick Hague of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Beth Weissinger

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crewmember Christina Koch of NASA listens to a reporter’s question Feb. 21 during a pre-launch news conference. Koch, Nick Hague of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Andrey Shelepin/Gagarin Cosmonaut Training Center

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crewmember Nick Hague of NASA answers a reporter’s question Feb. 21 during a pre-launch news conference. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Andrey Shelepin/Gagarin Cosmonaut Training Center

Inside the Kremlin in Moscow, Expedition 59 crewmembers Nick Hague of NASA (left), Alexey Ovchinin of Roscosmos (center) and Christina Koch of NASA (right) pose for pictures on a wintry day Feb. 21 as part of their pre-launch activities. They will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Andrey Shelepin/Gagarin Cosmonaut Training Center

At the Baikonur Cosmodrome in Kazakhstan, Expedition 59 crewmembers Nick Hague (left) and Christina Koch (right) of NASA discuss procedures Feb. 27 during a Soyuz fit check dress rehearsal that is part of pre-launch training. Hague, Koch and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Kremlin Wall in Moscow, Expedition 59 crewmember Nick Hague of NASA lays flowers where Russian space icons are interred in traditional ceremonies Feb. 21. Hague, Alexey Ovchinin of Roscosmos and Christina Koch of NASA will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Andrey Shelepin/Gagarin Cosmonaut Training Center

At the Kremlin Wall in Moscow, Expedition 59 crewmember Alexey Ovchinin of Roscosmos lays flowers where Russian space icons are interred in traditional ceremonies Feb. 21. Ovchinin and Nick Hague and Christina Koch of NASA will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Andrey Shelepin/Gagarin Cosmonaut Training Center

At the Kremlin Wall in Moscow, Expedition 59 crewmember Christina Koch of NASA lays flowers where Russian space icons are interred in traditional ceremonies Feb. 21. Koch, Nick Hague of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Andrey Shelepin/Gagarin Cosmonaut Training Center

Expedition 59 backup crewmember Alexander Skvortsov of Roscosmos is blessed by a Russian Orthodox Priest in the Cosmonaut Hotel prior to departing for the prime crew's launch on a Soyuz rocket, Thursday, March 14, 2019 in Baikonur, Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos launched March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 59 backup crewmember Luca Parmitano of the European Space Agency is blessed by a Russian Orthodox Priest in the Cosmonaut Hotel prior to departing for the prime crew's launch on a Soyuz rocket, Thursday, March 14, 2019 in Baikonur, Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos launched March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 59 backup crewmembers Drew Morgan of NASA, left, and Luca Parmitano of the European Space Agency watch as the Soyuz rocket is transported by train to the launch pad, Tuesday, March 12, 2019 at the Baikonur Cosmodrome in Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 59 backup crewmember Drew Morgan of NASA is blessed by a Russian Orthodox Priest in the Cosmonaut Hotel prior to departing for the prime crew's launch on a Soyuz rocket, Thursday, March 14, 2019 in Baikonur, Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos launched March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

jsc2019e003769 (Feb. 19, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) pose for pictures Feb. 19 during the first of two days of final pre-launch qualification exams. They will launch March 14, U.S. time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-12 spacecraft for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004063 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Alexey Ovchinin of Roscosmos signs in for the second day of final pre-launch qualification exams Feb. 20 as his crewmate, Nick Hague of NASA looks on. Ovchinin, Hague and Christina Koch of NASA will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004060 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Alexey Ovchinin of Roscosmos is seen inside a Soyuz spacecraft simulator Feb. 20 during the second day of final pre-launch qualification exams. Ovchinin and crewmates Nick Hague and Christina Koch of NASA will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e003765 (Feb. 19, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) wave to cameras Feb. 19 during the first of two days of final pre-launch qualification exams. They will launch March 14, U.S. time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-12 spacecraft for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e003774 (Feb. 19, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Nick Hague of NASA signs in for the start of two days of final pre-launch qualification exams Feb. 19. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-12 spacecraft for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004059 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Nick Hague of NASA is seen inside a Soyuz spacecraft simulator Feb. 20 during the second day of final pre-launch qualification exams. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004065 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Christina Koch of NASA signs in for the second day of final pre-launch qualification exams Feb. 20. Koch, Nick Hague of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e003768 (Feb. 19, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) pose for pictures Feb. 19 during the first of two days of final pre-launch qualification exams. They will launch March 14, U.S. time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-12 spacecraft for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004064 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Nick Hague of NASA signs in for the second day of final pre-launch qualification exams Feb. 20. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004057 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Christina Koch of NASA boards a Soyuz spacecraft simulator Feb. 20 during the second day of final pre-launch qualifications exams. Koch, Nick Hague of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e003767 (Feb. 19, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) pose for pictures Feb. 19 during the first of two days of final pre-launch qualification exams. They will launch March 14, U.S. time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-12 spacecraft for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004066 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Nick Hague of NASA answers reporters’ questions Feb. 20 during the second day of final pre-launch qualification exams. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

Officials, family and friends welcome home Expedition 59 cosmonaut Oleg Kononenko of Roscosmos Tuesday, June 25, 2019 at the Chkalovsky Airport in Star City, Russia. Kononenko, NASA astronaut Anne McClain, and Canadian Space Agency astronaut David Saint-Jacques landed their Soyuz MS-11 capsule near the town of Zhezkazgan, Kazakhstan earlier on June 25 (June 24 Eastern Time). Photo Credit: (NASA/Bill Ingalls)

Expedition 59 backup crewmember Drew Morgan of NASA answers questions during a press conference, Wednesday, March 13, 2019 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 59 backup crewmember Luca Parmitano of the European Space Agency answers questions during a press conference, Wednesday, March 13, 2019 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Press, family, and friends take photos as the Expedition 59 prime and backup crews pose at the conclusion of a press conference, Wednesday, March 13, 2019 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 59 backup crewmember Alexander Skvortsov of Roscosmos answers questions during a press conference, Wednesday, March 13, 2019 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 59 cosmonaut Alexey Ovchinin of Roscosmos gets his hair cut, Tuesday, March 12, 2019 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Ovchinin and fellow Expedition 59 crewmembers Nick Hague and Christina Koch of NASA will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 59 cosmonaut Alexey Ovchinin of Roscosmos gets his hair cut, Tuesday, March 12, 2019 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Ovchinin and fellow Expedition 59 crewmembers Nick Hague and Christina Koch of NASA will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 59 cosmonaut Alexey Ovchinin of Roscosmos gets his hair cut, Tuesday, March 12, 2019 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Ovchinin and fellow Expedition 59 crewmembers Nick Hague and Christina Koch of NASA will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

At the Gagarin Museum in the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crewmember Nick Hague of NASA (front, right) signs a ceremonial book Feb. 21 as part of the crew’s pre-launch activities as his crewmates, Christina Koch of NASA (left) and Alexey Ovchinin of Roscosmos (center) look on. In the back row are their backups, Drew Morgan of NASA, Alexander Skvortsov of Roscosmos and Luca Parmitano of the European Space Agency. Koch, Hague and Ovchinin will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Irina Spektor/Gagarin Cosmonaut Training Center

At the Gagarin Museum in the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crewmember Christina Koch of NASA (front, left) signs a ceremonial book Feb. 21 as part of the crew’s pre-launch activities as her crewmates, Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) look on. In the back row are their backups, Drew Morgan of NASA, Alexander Skvortsov of Roscosmos and Luca Parmitano of the European Space Agency. Koch, Hague and Ovchinin will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Irina Spektor/Gagarin Cosmonaut Training Center

Expedition 59 backup crewmembers Drew Morgan of NASA (left), Alexander Skvortsov of Roscosmos (center) and Luca Parmitano of the European Space Agency (right) arrive at the Baikonur Cosmodrome in Kazakhstan Feb. 26 for final pre-launch training following a flight from their training base in Star City, Russia. They are the backups to the prime crew, Nick Hague of NASA, Christina Koch of NASA and Alexey Ovchinin of Roscosmos, who will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. NASA/Victor Zelentsov

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 backup crewmembers Luca Parmitano of the European Space Agency (left) and Drew Morgan of NASA (right) exchange thoughts Feb. 21 during a pre-launch news conference. They and Alexander Skvortsov of Roscosmos are backups to the prime crewmembers, Nick Hague and Christina Koch of NASA and Alexey Ovchinin of Roscosmos, who will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Andrey Shelepin/Gagarin Cosmonaut Training Center

At the Gagarin Cosmonaut Training Center in Star City, Russia, the Expedition 59 prime and backup crewmembers pose for pictures Feb. 21 following a pre-launch news conference. From left to right are the prime crewmembers, Christina Koch and Nick Hague of NASA and Alexey Ovchinin of Roscosmos, and the backup crewmembers, Alexander Skvortsov of Roscosmos, Luca Parmitano of the European Space Agency and Drew Morgan of NASA. Koch, Hague and Ovchinin will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Andrey Shelepin/Gagarin Cosmonaut Training Center

Expedition 59 backup crewmembers Alexander Skvortsov of Roscosmos, Luca Parmitano of the European Space Agency, and Drew Morgan of NASA, right, watch as the Soyuz rocket is transported by train to the launch pad, Tuesday, March 12, 2019 at the Baikonur Cosmodrome in Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 59 astronaut Nick Hague and Christina Koch of NASA, seated, make photograph with Expedition 59 backup crewmembers Luca Parmitano of the European Space Agency, left, and Drew Morgan of NASA during Sokol suit pressure checks prior to launch on a Soyuz rocket with Alexey Ovchinin of Roscosmos, Thursday, March 14, 2019 at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin launched March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 59 backup crewmembers Drew Morgan of NASA, left, Alexander Skvortsov of Roscosmos, center, and Luca Parmitano of the European Space Agency pose for a photograph as the Soyuz rocket arrives at the launch pad, Tuesday, March 12, 2019 at the Baikonur Cosmodrome in Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos, will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

jsc2019e004062 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) report to Russian space officials Feb. 20 during the second day of final pre-launch qualifications exams. They will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e003770 (Feb. 19, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) report to Russian space officials Feb. 19 during the first of two days of final pre-launch qualification exams. They will launch March 14, U.S. time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-12 spacecraft for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e003772 (Feb. 19, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) report to Russian space officials Feb. 19 during the first of two days of final pre-launch qualification exams. They will launch March 14, U.S. time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-12 spacecraft for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004068 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Christina Koch of NASA listens to reporters’ questions in front of a Soyuz spacecraft simulator Feb. 20 during the second day of final pre-launch qualifications exams. Koch, Nick Hague of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004056 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) pose for pictures in front of their Soyuz spacecraft simulator Feb. 20 during the second day of final pre-launch qualifications exams. They will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e003775 (Feb. 19, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) report to Russian space officials Feb. 19 during the first of two days of final pre-launch qualification exams. They will launch March 14, U.S. time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-12 spacecraft for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004067 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crewmembers Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) listen to reporters’ questions in front of their Soyuz spacecraft simulator Feb. 20 during the second day of final pre-launch qualifications exams. They will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e003773 (Feb. 19, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Christina Koch of NASA prepares to sign in for the start of two days of final pre-launch qualification exams Feb. 19 as her crewmate, Nick Hague of NASA looks on. Koch, Hague and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-12 spacecraft for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e003771 (Feb. 19, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) report to Russian space officials Feb. 19 during the first of two days of final pre-launch qualification exams. They will launch March 14, U.S. time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-12 spacecraft for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e003766 (Feb. 19, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Christina Koch of NASA is seen in the hatchway of a Russian segment simulator Feb. 19 during the first of two days of final pre-launch qualification exams. Koch, Alexey Ovchinin of Roscosmos and Nick Hague of NASA will launch March 14, U.S. time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-12 spacecraft for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004061 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) report to Russian space officials Feb. 20 during the second day of final pre-launch qualifications exams. They will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

Expedition 59 backup crewmembers Drew Morgan of NASA, left, Alexander Skvortsov of Roscosmos, and Luca Parmitano of the European Space Agency, right, are seen during a press conference, Wednesday, March 13, 2019 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 59 crewmembers Nick Hague and Christina Koch of NASA, along with Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

iss059e103489 (June 17, 2019) --- Expedition 59 crew members (from left) Anne McClain, Oleg Kononenko and David Saint-Jacques are wearing the Sokol launch and entry suits they will wear on the way back to Earth aboard the Soyuz MS-11 crew ship.

Officials, family and friends welcome home Expedition 59 cosmonaut Oleg Kononenko of Roscosmos Tuesday, June 25, 2019 at the Chkalovsky Airport in Star City, Russia. Kononenko, NASA astronaut Anne McClain, and Canadian Space Agency astronaut David Saint-Jacques landed their Soyuz MS-11 capsule near the town of Zhezkazgan, Kazakhstan earlier on June 25 (June 24 Eastern Time). Photo Credit: (NASA/Bill Ingalls)