The moon is seen behind the Soyuz MS-04 spacecraft at the Baikonur Cosmodrome launch pad on Wednesday, April 19, 2017 in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The train that will carry the Soyuz rocket to the launch pad is seen just before the door to the assembly building is opened on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz MS-04 spacecraft, scheduled to launch April 20 Baikonur time, will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 50-51 crewmembers Thomas Pesquet of the European Space Agency (left), Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos, center) and Peggy Whitson of NASA (right) answer questions from reporters Nov. 10 during preflight activities. They will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Alexander Vysotsky
At her Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 50-51 crewmember Peggy Whitson of NASA tries her hand at a game of ping-pong Nov. 10 as part of her preflight activities. Whitson, Thomas Pesquet of the European Space Agency (left) and Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos) will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Alexander Vysotsky
At their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 50-51 crewmembers Thomas Pesquet of the European Space Agency (left) and Peggy Whitson of NASA (right) try their hand at a game of chess Nov. 10 as part of their preflight activities. Pesquet, Whitson and Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos) will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Alexander Vysotsky
At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 50-51 crewmembers Thomas Pesquet of the European Space Agency (left), Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos, center) and Peggy Whitson of NASA (right) pose for pictures Nov. 10 during preflight activities. They will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Alexander Vysotsky
At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 50-51 crewmembers Thomas Pesquet of the European Space Agency (left), Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos, center) and Peggy Whitson of NASA (right) pose for pictures Nov. 10 during preflight activities. They will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Alexander Vysotsky
At his Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 50-51 crewmember Thomas Pesquet of the European Space Agency takes a spin in a rotating chair Nov. 10 to test his vestibular system as part of preflight activities. Pesquet, Peggy Whitson of NASA and Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos) will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Alexander Vysotsky
At their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 50-51 crewmembers Peggy Whitson of NASA (left), Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos, center) and Thomas Pesquet of the European Space Agency (right) practice rendezvous and docking procedures on a laptop simulator computer Nov. 10 as part of their preflight training. They will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Alexander Vysotsky
At their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 50-51 crewmembers Peggy Whitson of NASA (left), Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos, center) and Thomas Pesquet of the European Space Agency (right) review flight plans Nov. 10 as part of their preflight training. They will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Alexander Vysotsky
One of the gantry arms is seen before being closed around the Soyuz MS-04 spacecraft to secure the rocket, Monday, April 17, 2017 at launch pad 1 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is seen after the gantry arms closed around the rocket to secure it at the launch pad on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The families of Expedition 51 Flight Engineer Jack Fischer of NASA and Soyuz Commander Fyodor Yurchikhin of Roscosmos laugh together before watching the traditional door signing ceremony at the Cosmonaut Hotel prior to the Expedition 51 launch, Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and Fischer into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
Expedition 51 crew members, Soyuz Commander Fyodor Yurchikhin of Roscosmos, left, and Flight Engineer Jack Fischer of NASA, right, wave farewell to family and friends as they depart the Cosmonaut Hotel to suit-up for their Soyuz launch to the International Space Station on Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13PM April 20 Baikonur time and will send Yurchikhin and Fischer on a four and a half month mission aboard the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
Russian security is seen as the Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
Expedition 51 crew members, Soyuz Commander Fyodor Yurchikhin of Roscosmos, front, and Flight Engineer Jack Fischer of NASA, back, wave farewell to family and friends as they depart the Cosmonaut Hotel to suit-up for their Soyuz launch to the International Space Station on Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13PM April 20 Baikonur time and will send Yurchikhin and Fischer on a four and a half month mission aboard the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
Expedition 51 Flight Engineer Jack Fischer's wife, Elizabeth Fischer, left, and daughters Sariah (not pictured) and Bethany, right, reach up to the bus window to bid farewell to Fischer as he departs the Cosmonaut Hotel to suit-up for his Soyuz launch to the International Space Station on Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13PM April 20 Baikonur time and will send Fischer and Soyuz Commander Fyodor Yurchikhin of Roscosmos on a four and a half month mission aboard the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The gantry arms close around the Soyuz MS-04 spacecraft to secure the rocket at the launch pad on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The gantry arms close around the Soyuz MS-04 spacecraft to secure the rocket at the launch pad on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is seen at the Soyuz launch pad 1 just before it is raised into a vertical position Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The gantry arms close around the Soyuz MS-04 spacecraft to secure the rocket at the launch pad on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is raised into position on the launch pad Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The escape tower is seen as workers prepare to raise the Soyuz MS-04 spacecraft into the vertical position on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
Russian security officers inspect the tracks before the Soyuz rocket is rolled out to the launch pad on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz MS-04 spacecraft, scheduled to launch April 20 Baikonur time, will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is raised into position on the launch pad Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is seen shortly after arriving at the launch pad by train on Monday, April 17, 2017, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Expedition 51 backup crew member, Randy Bresnik of NASA, watches as the Soyuz MS-04 spacecraft arrives at the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will send Expedition 51 prime crew, Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA on a four and a half month mission aboard the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is raised into position on the launch pad Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is seen after being raised into a vertical position on the launch pad Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The arm that raised the Soyuz MS-04 spacecraft into position on the launch pad is lowered, Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
Expedition 51 Flight Engineer Jack Fischer of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mate, Soyuz Commander Fyodor Yurchikhin of Roscosmos, Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and Fischer into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The moon is seen as the Soyuz rocket is prepared to be rolled out to the launch pad on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz MS-04 spacecraft, scheduled to launch April 20 Baikonur time, will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
Workers prepare to raise the Soyuz MS-04 spacecraft into the vertical position on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is seen shortly after arriving at the launch pad by train on Monday, April 17, 2017, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz rocket is prepared to be rolled out to the launch pad on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz MS-04 spacecraft, scheduled to launch April 20 Baikonur time, will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The moon is seen as Russian security officers inspect the tracks before the Soyuz rocket is rolled out to the launch pad on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz MS-04 spacecraft, scheduled to launch April 20 Baikonur time, will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mate Flight Engineer Jack Fischer of NASA, Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and Fischer into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mate Flight Engineer Jack Fischer of NASA, Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and Fischer into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
Expedition 51 Flight Engineer Jack Fischer of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mate, Soyuz Commander Fyodor Yurchikhin of Roscosmos, Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and Fischer into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
Launch Pad 1 is seen as the Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
Elizabeth Fischer, wife of Expedition 51 Flight Engineer Jack Fischer of NASA is interviewed by media shortly after the Soyuz MS-04 spacecraft arrived at the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Fischer and Soyuz Commander Fyodor Yurchikhin of Roscosmos into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is seen after being rolled out by train and secured at the launch pad on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
At their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 50-51 backup crewmembers Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos, left) and Jack Fischer of NASA (right) share a light-hearted moment as they review flight plans Nov. 10 as part of preflight training. They are backups to the prime crewmembers, Peggy Whitson of NASA, Oleg Novitskiy of Roscosmos and Thomas Pesquet of the European Space Agency, who will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Alexander Vysotsky
At their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 50-51 backup crewmembers Paolo Nespoli of the European Space Agency (left), Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos, center) and Jack Fischer of NASA (right) review flight plans with trainers Nov. 10 as part of preflight activities. They are backups to the prime crewmembers, Peggy Whitson of NASA, Oleg Novitskiy of Roscosmos and Thomas Pesquet of the European Space Agency, who will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Alexander Vysotsky
Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos, left, 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 (ISS), Thursday, April 20, 2017, in Baikonur, Kazakhstan. He and fellow crew mate, Flight Engineer Jack Fischer of NASA, right, will spend the next four and a half months living and working aboard the ISS. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft arrives at the launch pad after being rolled there by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
Expedition 51 crew members, Soyuz Commander Fyodor Yurchikhin of Roscosmos, left, and Flight Engineer Jack Fischer of NASA, right, wave to family and friends as they depart the Cosmonaut Hotel to suit-up for their Soyuz launch to the International Space Station on Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13PM April 20 Baikonur time and will send Yurchikhin and Fischer on a four and a half month mission aboard the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Expedition 51 backup crew, Soyuz Commander Sergey Ryazanskiy of Roscosmos, left, and Flight Engineer Randy Bresnik of NASA, right, are photographed in front of the Soyuz MS-04 spacecraft as it arrives at the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will send Expedition 51 prime crew, Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA on a four and a half month mission aboard the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos, left, and Flight Engineer Jack Fischer of NASA, right, receive the traditional blessing from a Russian Orthodox priest at the Cosmonaut Hotel prior to their launch on the Soyuz rocket to the International Space Station (ISS), Thursday, April 20, 2017, in Baikonur, Kazakhstan. Yurchikhin and Fischer will spend the next four and a half months living and working aboard the ISS. Photo Credit: (NASA/Aubrey Gemignani)
The Soyuz MS-04 spacecraft arrives at the launch pad after being rolled there by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
A Russian security officer is seen as the Soyuz MS-04 spacecraft is rolled out to the launch pad by train on Monday, April 17, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station.Photo Credit: (NASA/Aubrey Gemignani)
Expedition 51 Flight Engineer Jack Fischer of NASA, right, 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 (ISS), Thursday, April 20, 2017, in Baikonur, Kazakhstan. He and fellow crew mate, Soyuz Commander Fyodor Yurchikhin of Roscosmos, left, will spend the next four and a half months living and working aboard the ISS. Photo Credit: (NASA/Aubrey Gemignani)
An Orthodox priest blesses the media at the Baikonur Cosmodrome launch pad on Wednesday, April 19, 2017 in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
An Orthodox priest hands out Easter eggs to the media at the Baikonur Cosmodrome launch pad after blessing the Soyuz rocket on Wednesday, April 19, 2017 in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
An Orthodox priest blesses the Soyuz rocket at the Baikonur Cosmodrome launch pad on Wednesday, April 19, 2017 in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
An Orthodox priest blesses the Soyuz rocket at the Baikonur Cosmodrome launch pad on Wednesday, April 19, 2017 in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)
An Orthodox priest blesses the media at the Baikonur Cosmodrome launch pad on Wednesday, April 19, 2017 in Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 Baikonur time and will carry Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos and Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Victor Zelentsov)