Expedition 39 Flight Engineer Oleg Artemyev of the Russian Federal Space Agency, Roscosmos, is helped into his Russian Sokol suit as he and fellow cremates, Soyuz Commander Alexander Skvortsov of Roscosmos, and Flight Engineer Steve Swanson of NASA prepare for their Soyuz launch to the International Space Station, on Tuesday, March, 25, 2014, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Skvortsov, Swanson, and Artemyev on a six-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 40 Soyuz Commander Maxim Suraev of the Russian Federal Space Agency, Roscosmos, left and Flight Engineer Reid Wiseman of NASA are seen after being helped into their Russian Sokol suit as the pair and fellow cremate, Flight Engineer Alexander Gerst of the European Space Agency, ESA, prepare for their Soyuz launch to the International Space Station, on Wednesday, May 28, 2014, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Suraev, Gerst, and Wiseman on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 38 Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency is seen laying in a seat liner as he and fellow crew mates, Soyuz Commander Mikhail Tyurin of Roscosmos, seated left, and, Flight Engineer Rick Mastracchio of NASA, have their Russian Sokol suits pressure checked a few hours ahead of their launch, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 38 Flight Engineer Rick Mastracchio of NASA dons his Russian sokol suit a few hours ahead of his launch on a soyuz rocket with fellow crew mates, Soyuz Commander Mikhail Tyurin of Roscosmos, and, Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 35 Russian Flight Engineer Alexander Misurkin is helped into his Russian Sokol suit as he and fellow crewmates Soyuz Commander Pavel Vinogradov and Flight Engineer Chris Cassidy prepare for their Soyuz launch to the International Space Station, Thursday, March 28, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Misurkin, Vinogradov and Cassidy on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/ Irina Peshkova)

Expedition 35 Russian Flight Engineer Alexander Misurkin has his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-08M spacecraft to the International Space Station, Thursday, March 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Misurkin, Soyuz Commander Pavel Vinogradov and NASA Flight Engineer Chris Cassidy on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 35 Soyuz Commander Pavel Vinogradov is helped into his Russian Sokol suit as he and fellow crewmates, Flight Engineer Chris Cassidy, and Flight Engineer Alexander Misurkin prepare for their Soyuz launch to the International Space Station, Thursday, March 28, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Vinogradov, Cassidy and Misurkin on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/ Irina Peshkova)

Expedition 38 Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency is seen laying in a seat liner as he and fellow crew mates, Soyuz Commander Mikhail Tyurin of Roscosmos, seated left, and, Flight Engineer Rick Mastracchio of NASA, have their Russian Sokol suits pressure checked a few hours ahead of their launch, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

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

Expedition 38 Soyuz Commander Mikhail Tyurin of Roscosmos receives the traditional blessing from a Russian Orthodox priest at the Cosmonaut Hotel prior to his launch on the Soyuz rocket to the International Space Station with Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, and, Flight Engineer Rick Mastracchio of NASA, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 32 NASA Flight Engineer Sunita Williams lies in a chair to have her Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-05M on Sunday, July 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The launch of the Soyuz spacecraft with Williams, Soyuz Commander Yuri Malenchenko and JAXA Flight Engineer Akihiko Hoshide is scheduled for the morning of Sunday, July 15, local time. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 40 Flight Engineer Alexander Gerst of the European Space Agency, ESA, is helped into his Russian Sokol suit as he and fellow cremates, Soyuz Commander Maxim Suraev of the Russian Federal Space Agency, Roscosmos, and Flight Engineer Reid Wiseman of NASA prepare for their Soyuz launch to the International Space Station, on Wednesday, May 28, 2014, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Gerst, Suraev, and Wiseman on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 38 Soyuz Commander Mikhail Tyurin of Roscosmos is seen laying in a seat liner as he and fellow crew mates, Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, and, Flight Engineer Rick Mastracchio of NASA, have their Russian Sokol suits pressure checked a few hours ahead of their launch, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

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

Expedition 32 NASA Flight Engineer Sunita Williams lies in a chair to have her Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-05M on Sunday, July 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The launch of the Soyuz spacecraft with Williams, Soyuz Commander Yuri Malenchenko and JAXA Flight Engineer Akihiko Hoshide is scheduled for the morning of Sunday, July 15, local time. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 32 Soyuz Commander Yuri Malenchenko lies in a chair to have his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-05M on Sunday, July 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The launch of the Soyuz spacecraft with Malenchenko, NASA Flight Engineer Sunita Williams and JAXA (Japan Aerospace Exploration Agency) Flight Engineer Akihiko Hoshide is scheduled for the morning of Sunday, July 15, local time. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 38 Soyuz Commander Mikhail Tyurin of Roscosmos is seen laying in a seat liner as he and fellow crew mates, Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, and, Flight Engineer Rick Mastracchio of NASA, have their Russian Sokol suits pressure checked a few hours ahead of their launch, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 38 Flight Engineer Rick Mastracchio of NASA is seen laying in a seat liner as he and fellow crew mates, Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, and, Soyuz Commander Mikhail Tyurin of Roscosmos, have their Russian Sokol suits pressure checked a few hours ahead of their launch, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 35 NASA Soyuz Commander Pavel Vinogradov is has his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-08M spacecraft to the International Space Station, Thursday, March 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Vinogradov, NASA Flight Engineer Chris Cassidy and Russian Flight Engineer Alexander Misurkin on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 35 NASA Soyuz Commander Pavel Vinogradov is has his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-08M spacecraft to the International Space Station, Thursday, March 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Vinogradov, NASA Flight Engineer Chris Cassidy and Russian Flight Engineer Alexander Misurkin on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 35 Russian Flight Engineer Alexander Misurkin has his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-08M spacecraft to the International Space Station, Thursday, March 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Misurkin, Soyuz Commander Pavel Vinogradov and NASA Flight Engineer Chris Cassidy on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 38 Flight Engineer Rick Mastracchio of NASA is seen laying in a seat liner as he and fellow crew mates, Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, and, Soyuz Commander Mikhail Tyurin of Roscosmos, have their Russian Sokol suits pressure checked a few hours ahead of their launch, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 35 NASA Flight Engineer Chris Cassidy, center, is helped into his Russian Sokol suit as he and fellow crewmates, Soyuz Commander Pavel Vinogradov, and Flight Engineer Alexander Misurkin prepare for their Soyuz launch to the International Space Station, Thursday, March 28, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Cassidy, Vinogradov and Misurkin on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/ Irina Peshkova)

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

Expedition 32 Soyuz Commander Yuri Malenchenko lies in a chair to have his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-05M on Sunday, July 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The launch of the Soyuz spacecraft with Malenchenko, NASA Flight Engineer Sunita Williams and JAXA (Japan Aerospace Exploration Agency) Flight Engineer Akihiko Hoshide is scheduled for the morning of Sunday, July 15, local time. Photo Credit: (NASA/GCTC/Irina Peshkova)

Seated left to right, Expedition 38 Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, Soyuz Commander Mikhail Tyurin of Roscosmos, and, Flight Engineer Rick Mastracchio of NASA are seen along with backup crew members, standing behind them, from left, Alexander Gerst of the European Space Agency, Russian cosmonaut Max Suraev, and, Reid Wiseman of NASA, as they have prepare to have their Russian Sokol suits pressure checked a few hours ahead of their launch, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 32 NASA astronaut Sunita Williams watches a video as the crew bus departs the Cosmonaut Hotel on Sunday, July 15, 2012 in Baikonur, Kazakhstan. The launch of the Soyuz spacecraft with Williams, Soyuz Commander Yuri Malenchenko and JAXA Flight Engineer Akihiko Hoshide is scheduled for 8:40 a.m. local time on Sunday, July 15. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 39 Flight Engineer Steve Swanson of NASA has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-12M spacecraft on Tuesday, March 25, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Swanson, Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, and Flight Engineer Oleg Artemyev of Roscosmos is scheduled to launch at 3:17 a.m. Kazakhstan time on Wednesday, March 26. (NASA/GCTC/Irina Peshkova)

Expedition 38 Flight Engineer Rick Mastracchio of NASA is seen laying in a seat liner as he and fellow crew mates, Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, and, Soyuz Commander Mikhail Tyurin of Roscosmos, have their Russian Sokol suits pressure checked a few hours ahead of their launch, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 35 NASA Flight Engineer Chris Cassidy has his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-08M spacecraft to the International Space Station, Thursday, March 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Cassidy, Soyuz Commander Pavel Vinogradov and Russian Flight Engineer Alexander Misurkin on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 38 Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, performs the traditional door signing at the Cosmonaut hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mates, Soyuz Commander Mikhail Tyurin of Roscosmos, and, Flight Engineer Rick Mastracchio of NASA, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 32 Flight Engineer Sunita Williams dons her Russian Sokol suit in preparation for her launch onboard the Soyuz TMA-05M on Sunday, July 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The launch of the Soyuz spacecraft with Williams, Soyuz Commander Yuri Malenchenko and JAXA Flight Engineer Akihiko Hoshide is scheduled for 8:40 a.m. local time on Sunday, July 15. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 35 NASA Flight Engineer Chris Cassidy is helped into his Russian Sokol suit as he and fellow crewmates, Soyuz Commander Pavel Vinogradov, and Flight Engineer Alexander Misurkin prepare for their Soyuz launch to the International Space Station, Thursday, March 28, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Cassidy, Vinogradov and Misurkin on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/ Irina Peshkova)

Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, is helped into his Russian Sokol suit as he and fellow cremates, Flight Engineer Steve Swanson of NASA and Flight Engineer Oleg Artemyev of Roscosmos prepare for their Soyuz launch to the International Space Station, on Tuesday, March, 25, 2014, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Skvortsov, Swanson, and Artemyev on a six-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 40 Flight Engineer Reid Wiseman of NASA is helped into his Russian Sokol suit as he and fellow cremates, Soyuz Commander Maxim Suraev of the Russian Federal Space Agency, Roscosmos, and Flight Engineer Alexander Gerst of the European Space Agency, ESA, prepare for their Soyuz launch to the International Space Station, on Wednesday, May 28, 2014, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Wiseman, Suraev, and Gerst on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 38 Flight Engineer Rick Mastracchio of NASA is seen laying in a seat liner as he and fellow crew mates, Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, and, Soyuz Commander Mikhail Tyurin of Roscosmos, have their Russian Sokol suits pressure checked a few hours ahead of their launch, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 35 Soyuz Commander Pavel Vinogradov performs the traditional door signing before he and fellow crewmates, Flight Engineers Chris Cassidy and Alexander Misurkin depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station, Thursday, March 28, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Vinogradov, Cassidy and Misurkin on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 35 NASA Flight Engineer Chris Cassidy, third from right, is helped into his Russian Sokol suit as he and fellow crewmates, Soyuz Commander Pavel Vinogradov, and Flight Engineer Alexander Misurkin prepare for their Soyuz launch to the International Space Station, Thursday, March 28, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Cassidy, Vinogradov and Misurkin on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/ Irina Peshkova)

Expedition 35 Soyuz Commander Pavel Vinogradov is helped into his Russian Sokol suit as he and fellow crewmates, Flight Engineer Chris Cassidy, and Flight Engineer Alexander Misurkin prepare for their Soyuz launch to the International Space Station, Thursday, March 28, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Vinogradov, Cassidy and Misurkin on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/ Irina Peshkova)

Expedition 55 flight engineer Ricky Arnold of NASA, left, is helped into his Russian Sokol suit as he and fellow crewmates, Soyuz Commander Oleg Artemyev of Roscosmos, center, and flight engineer Drew Feustel of NASA, right, prepare for their Soyuz launch to the International Space Station, Wednesday, March 21, 2018 in Baikonur, Kazakhstan. Arnold, Artemyev, and Feustel launched aboard the Soyuz MS-08 spacecraft at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 to begin their journey to the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

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

Expedition 32 JAXA Flight Engineer Akihiko Hoshide lies in a chair to have his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-05M on Sunday, July 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The launch of the Soyuz spacecraft with Hoshide, Soyuz Commander Yuri Malenchenko and NASA Flight Engineer Sunita Williams is scheduled for the morning of Sunday, July 15, local time. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 40 Flight Engineer Reid Wiseman of NASA has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-13M spacecraft on Wednesday, May 28, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Wiseman, Expedition 40 Soyuz Commander Maxim Suraev of the Russian Federal Space Agency, Roscosmos, and Flight Engineer Alexander Gerst of the European Space Agency, ESA, is scheduled to launch at 1:57 a.m. Kazakhstan time on Thursday, May 29. (NASA/GCTC/Irina Peshkova)

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

Expedition 55 flight engineer Ricky Arnold of NASA is helped into his Russian Sokol suit as he and fellow crewmates, Soyuz Commander Oleg Artemyev of Roscosmos and flight engineer Drew Feustel of NASA prepare for their Soyuz launch to the International Space Station Wednesday, March 21, 2018 in Baikonur, Kazakhstan. Arnold, Artemyev, and Feustel launched aboard the Soyuz MS-08 spacecraft at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 to begin their journey to the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 55 flight engineer Drew Feustel of NASA is helped into his Russian Sokol suit as he and fellow crewmates, Soyuz Commander Oleg Artemyev of Roscosmos and Ricky Arnold of NASA prepare for their Soyuz launch to the International Space Station Wednesday, March 21, 2018 in Baikonur, Kazakhstan. Feustel, Artemyev, and Arnold launched aboard the Soyuz MS-08 spacecraft at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 to begin their journey to the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 55 flight engineer Drew Feustel of NASA is helped into his Russian Sokol suit as he and fellow crewmates, Soyuz Commander Oleg Artemyev of Roscosmos and Ricky Arnold of NASA prepare for their Soyuz launch to the International Space Station Wednesday, March 21, 2018 in Baikonur, Kazakhstan. Feustel, Artemyev, and Arnold launched aboard the Soyuz MS-08 spacecraft at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 to begin their journey to the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos is helped into his Russian Sokol suit as he and fellow crewmates, flight engineers Ricky Arnold and Drew Feustel of NASA prepare for their Soyuz launch to the International Space Station, Wednesday, March 21, 2018 in Baikonur, Kazakhstan. Artemyev, Arnold, and Feustel launched aboard the Soyuz MS-08 spacecraft at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 to begin their journey to the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 55 flight engineer Ricky Arnold of NASA, left, Soyuz Commander Oleg Artemyev of Roscosmos, center, and flight engineer Drew Feustel of NASA, right, pose for a picture after donning their Russian Sokol suits as they prepare for their Soyuz launch to the International Space Station Wednesday, March 21, 2018 in Baikonur, Kazakhstan. Arnold, Artemyev, and Feustel launched aboard the Soyuz MS-08 spacecraft at 1:44 p.m. Eastern time (11:44 p.m. Baikonur time) on March 21 to begin their journey to the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 32 JAXA Flight Engineer Akihiko Hoshide, left, Soyuz Commander Yuri Malenchenko and NASA Flight Engineer Sunita Williams wait after having their Sokol suits pressure checked in preparation for their launch onboard the Soyuz TMA-05M on Sunday, July 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The launch of the Soyuz spacecraft with Hoshide, Malenchenko and Williams is scheduled for the morning of Sunday, July 15, local time. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 32 JAXA Flight Engineer Akihiko Hoshide lies in a chair to have his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-05M on Sunday, July 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The launch of the Soyuz spacecraft with Hoshide, Soyuz Commander Yuri Malenchenko and NASA Flight Engineer Sunita Williams is scheduled for the morning of Sunday, July 15, local time. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 38 Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency is seen laying in a seat liner as he and fellow crew mates, Soyuz Commander Mikhail Tyurin of Roscosmos, and, Flight Engineer Rick Mastracchio of NASA, have their Russian Sokol suits pressure checked a few hours ahead of their launch, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

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

Expedition 35 Flight Engineer Alexander Misurkin, left, Soyuz Commander Pavel Vinogradov, right, and Flight Engineer Chris Cassidy, back left, watch a video as the crew bus departs the Cosmonaut Hotel on Thursday, March 28, 2013 in Baikonur, Kazakhstan. The launch of the Soyuz spacecraft with Misurkin, Vinogradov and Cassidy launched at 2:43 a.m. local time on March 29. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 38 Soyuz Commander Mikhail Tyurin of Roscosmos, left, and, Flight Engineer Rick Mastracchio of NASA, don their Russian sokol suits, along with Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, a few hours ahead of their launch on a soyuz rocket, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

From left, Expedition 38 Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, Soyuz Commander Mikhail Tyurin of Roscosmos, and, Flight Engineer Rick Mastracchio of NASA don their Russian sokol suits a few hours ahead of their launch on a soyuz rocket, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-12M spacecraft on Tuesday, March 25, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Skvortsov, Expedition 39 Flight Engineer Steve Swanson of NASA and Flight Engineer Oleg Artemyev of Roscosmos is scheduled to launch at 3:17 a.m. Kazakhstan Time on Wednesday, March 26. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 32 Soyuz Commander Yuri Malenchenko lies in a chair to have his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-05M on Sunday, July 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The launch of the Soyuz spacecraft with Malenchenko, NASA Flight Engineer Sunita Williams and JAXA (Japan Aerospace Exploration Agency) Flight Engineer Akihiko Hoshide is scheduled for the morning of Sunday, July 15, local time. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 35 NASA Flight Engineer Chris Cassidy is helped into his Russian Sokol suit as he and fellow crewmates, Soyuz Commander Pavel Vinogradov, and Flight Engineer Alexander Misurkin prepare for their Soyuz launch to the International Space Station, Thursday, March 28, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Cassidy, Vinogradov and Misurkin on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/ Irina Peshkova)

Expedition 35 Flight Engineers Alexander Misurkin, foreground, and Chris Cassidy watch a video as the crew bus departs the Cosmonaut Hotel on Thursday, March 28, 2013 in Baikonur, Kazakhstan. The launch of the Soyuz spacecraft with Misurkin, Cassidy and Soyuz Commander Pavel Vinogradov launched at 2:43 a.m. local time on March 29. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 35 NASA Flight Engineer Chris Cassidy has his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-08M spacecraft to the International Space Station, Thursday, March 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Cassidy, Soyuz Commander Pavel Vinogradov and Russian Flight Engineer Alexander Misurkin on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Oleg Ostapenko, General Director of the Russian Federal Space Agency, Roscosmos, center, shakes hands with Expedition 40 Flight Engineer Reid Wiseman of NASA, right, as he and crewmates Soyuz Commander Maxim Suraev of Roscosmos, and Flight Engineer Alexander Gerst of the European Space Agency, ESA, prepare to depart for the launch pad on Wednesday, May 28, 2014, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Gerst, Suraev, and Wiseman on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 32 Flight Engineer Sunita Williams dons her Russian Sokol suit in preparation for her launch onboard the Soyuz TMA-05M on Sunday, July 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The launch of the Soyuz spacecraft with Williams, Soyuz Commander Yuri Malenchenko and JAXA Flight Engineer Akihiko Hoshide is scheduled for 8:40 a.m. local time on Sunday, July 15. Photo Credit: (NASA/GCTC/Irina Peshkova)