JSC2002E09639 (12 Feb. 2002) --- Cosmonaut Fyodor N. Yurchikhin, representing the Russian Space Agency.

ISS024-E-007525 (8 July 2010) --- In the International Space Station’s Zvezda Service Module, Russian cosmonaut Fyodor Yurchikhin, Expedition 24 flight engineer, conducts a session for Russia's Environmental Safety Agency (EKON), making observations and taking KPT-3 aerial photography of environmental conditions on Earth.

ISS024-E-007527 (8 July 2010) --- In the International Space Station’s Zvezda Service Module, Russian cosmonaut Fyodor Yurchikhin, Expedition 24 flight engineer, conducts a session for Russia's Environmental Safety Agency (EKON), making observations and taking KPT-3 aerial photography of environmental conditions on Earth.

ISS024-E-007526 (8 July 2010) --- In the International Space Station’s Zvezda Service Module, Russian cosmonaut Fyodor Yurchikhin, Expedition 24 flight engineer, conducts a session for Russia's Environmental Safety Agency (EKON), making observations and taking KPT-3 aerial photography of environmental conditions on Earth.

ISS024-E-007521 (8 July 2010) --- In the International Space Station’s Zvezda Service Module, Russian cosmonaut Fyodor Yurchikhin, Expedition 24 flight engineer, prepares to conduct a session for Russia's Environmental Safety Agency (EKON), making observations and taking KPT-3 aerial photography of environmental conditions on Earth.

Expedition 24 Flight Engineer and Soyuz Commander Fyodor Yurchikhin answers a reporter’s question during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan on Monday, June 14, 2010. The launch of the Soyuz spacecraft with Expedition 24 NASA Flight Engineers Shannon Walker and Douglas Wheelock, and Soyuz Commander Fyodor Yurchikhin is scheduled for Wednesday, June 16, 2010 at 3:35 a.m. Kazakhstan time. Photo Credit: (NASA/Carla Cioffi)

Expedition 24 Flight Engineer Doug Wheelock, left, answers a reporter’s question during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan, while Soyuz Commander Fyodor Yurchikhin looks on, Monday, June 14, 2010. The launch of the Soyuz spacecraft with Expedition 24 NASA Flight Engineers Shannon Walker and Douglas Wheelock, and Soyuz Commander Fyodor Yurchikhin is scheduled for Wednesday, June 16, 2010 at 3:35 a.m. Kazakhstan time. Photo Credit: (NASA/Carla Cioffi)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos has his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and fellow crewmate, 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 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 prime crew member Soyuz Commander Fyodor Yurchikhin of Roscosmos, left, laughs with Expedition 51 backup crew member Sergey Ryazanskiy of Roscosmos during a press conference on Wednesday, April 19, 2017 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Yurchikhin 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, pose for a photo after being helped into their Russian Sokol suits in preparation for their Soyuz launch to the International Space Station, on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13 p.m. 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: (GCTC/Andrey Shelepin)

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 of NASA, left, answers a question with Soyuz Commander Fyodor Yurchikhin of Roscosmos, right, during a press conference on Wednesday, April 19, 2017 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 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 speaks with his family after having his Russian Sokol suit pressure checked in preparation for launch onboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Yurchikhin and Flight Engineer Jack Fischer of NASA is scheduled to launch at 1:13pm Baikonur time on April 20. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 25 Soyuz Commander Fyodor Yurchikhin is carried to a nearby medical tent near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010, following the landing of the TMA-19 spacecraft. Russian Cosmonaut Yurchikhin and NASA Astronauts Doucg Wheelock and Shannon Walker, returned from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos is helped into his Russian Sokol suit as he and fellow crewmate, Flight Engineer Jack Fischer of NASA prepare for their Soyuz launch to the International Space Station, on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13 p.m. 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: (GCTC/Andrey Shelepin)

Expedition 51 Flight Engineer Jack Fischer of NASA, top, and Soyuz Commander Fyodor Yurchikhin of Roscosmos, bottom, speak with family after having their Russian Sokol suits pressure checked in preparation for launch onboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Fischer and Yurchikhin is scheduled to launch at 1:13pm Baikonur time on April 20. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos is helped into his Russian Sokol suit as he and fellow crewmate, Flight Engineer Jack Fischer of NASA prepare for their Soyuz launch to the International Space Station, on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13 p.m. 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: (GCTC/Andrey Shelepin)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos, right, waves at family and friends from behind glass, while in quarantine, during the State Commission meeting to approve the Soyuz launch of Expedition 51 to the International Space Station, Wednesday, April 19, 2017, at the Cosmonaut Hotel in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Yurchikhin and Flight Engineer Jack Fischer of NASA, left, 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, top right, and Soyuz Commander Fyodor Yurchikhin of Roscosmos, bottom right, speak with family after having their Russian Sokol suits pressure checked in preparation for launch onboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Fischer and Yurchikhin is scheduled to launch at 1:13pm Baikonur time on April 20. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos, left, and Flight Engineer Jack Fischer of NASA, right, are seen as they depart building 254 a few hours ahead of their launch, Thursday, April 20, 2017, in Baikonur, Kazakhstan. Yurchikhin and Fischer launched in their Soyuz MS-04 spacecraft to the International Space Station to begin a four and a half month mission. Photo Credit: (NASA/Victor Zelentsov)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos is helped into his Russian Sokol suit as he and fellow crewmate, Flight Engineer Jack Fischer of NASA prepare for their Soyuz launch to the International Space Station, on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13 p.m. 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: (GCTC/Andrey Shelepin)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos, left, is helped into his Russian Sokol suit as he and fellow crewmate, Flight Engineer Jack Fischer of NASA, right, prepare for their Soyuz launch to the International Space Station, on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13 p.m. 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: (GCTC/Andrey Shelepin)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos speaks with his family after having his Russian Sokol suit pressure checked in preparation for launch onboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Yurchikhin and Flight Engineer Jack Fischer of NASA is scheduled to launch at 1:13 p.m. Baikonur time on April 20. Photo Credit: (GCTC/Andrey Shelepin)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos, right, answers a question during a press conference on Wednesday, April 19, 2017 at the Cosmonaut Hotel in Baikonur, Kazakhstan. He is seen with fellow crewmate Flight Engineer Jack Fischer of NASA. Launch of the Soyuz rocket is scheduled for April 20 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 answers a question during a pre-launch press conference on Wednesday, April 19, 2017 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Yurchikhin 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 37 Commander Fyodor Yurchikhin of Roscosmos (Russian Federal Space Agency) is carried to the inflatable medical tent from minutes after he landed in the Soyuz TMA-09M spacecraft in a remote area outside the town of Zhezkazgan, Kazakhstan, on Monday, Nov. 11, 2013. Yurchikhin, NASA Flight Engineer Karen Nyberg and Italian Flight Engineer Luca Parmitano returned to earth after five and a half months on the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos is helped into his Russian Sokol suit as he and fellow crewmate Flight Engineer Jack Fischer of NASA prepare for their Soyuz launch to the International Space Station, on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13 p.m. 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: (GCTC/Andrey Shelepin)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos, right, reacts as crew mate Flight Engineer Jack Fischer of NASA, left, answers a question during a press conference on Wednesday, April 19, 2017 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 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 is helped up after having his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and fellow crewmate, 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 is helped into his Russian Sokol suit as he and fellow crewmate Flight Engineer Jack Fischer of NASA prepare for their Soyuz launch to the International Space Station, on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13 p.m. 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: (GCTC/Andrey Shelepin)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos reacts after answering a question during a pre-launch press conference on Wednesday, April 19, 2017 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 and will carry Yurchikhin 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 smiles at friends and family after having his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will Yurchikhin and crewmate 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, left, poses for a photo with Soyuz Commander Fyodor Yurchikhin of Roscosmos, right, at the conclusion of a pre-launch press conference on Wednesday, April 19, 2017 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for April 20 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)

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 poses for a photo with his daughter after having his Russian Sokol suit pressure checked in preparation for launch onboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Yurchikhin and Flight Engineer Jack Fischer of NASA is scheduled to launch at 1:13 p.m. Baikonur time on April 20. Photo Credit: (NASA/Victor Zelentsov)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos is helped into his Russian Sokol suit as he and fellow crewmate Flight Engineer Jack Fischer of NASA prepare for their Soyuz launch to the International Space Station, on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13 p.m. 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: (GCTC/Andrey Shelepin)

Expedition 51 Flight Engineer Jack Fischer of NASA smiles at friends and family while his crewmate Soyuz Commander Fyodor Yurchikhin of Roscosmos has his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Fischer and Yurchikhin into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

The crew of Expedition 24 NASA Flight Engineer Doug Wheelock, left, Russian Soyuz Commander Fyodor Yurchikhin and NASA Flight Engineer Shannon Walker are seen during the State Commission meeting to approve the Soyuz launch of Expedition 24 Flight Engineers Doug Wheelock, Shannon Walker and Soyuz Commander Fyodor Yurchikhin on Monday, June 14, 2010 in Baikonur, Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

The crew of Expedition 24 Flight Engineer Doug Wheelock, left, Soyuz Commander Fyodor Yurchikhin and Flight Engineer Shannon Walker, right, pose for a group photo after a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan, Monday, June 14, 2010. The launch of the Soyuz spacecraft with Expedition 24 NASA Flight Engineers Shannon Walker and Douglas Wheelock, and Soyuz Commander Fyodor Yurchikhin is scheduled for Wednesday, June 16, 2010 at 3:35 a.m. Kazakhstan time. Photo Credit: (NASA/Carla Cioffi)

Expedition 24 Soyuz Commander Fyodor Yurchikhin has his Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Yurchikhin and fellow Expedition 24 crew members, Flight Engineers Shannon Walker and Doug Wheelock launched in their Soyuz TMA-19 rocket from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010 at 3:35 a.m. Kazakhstan time. (Photo Credit: NASA/Carla Cioffi)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos has his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13 p.m. April 20 Baikonur time, and will carry Yurchikhin and crewmate Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (GCTC/Andrey Shelepin)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos has his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and fellow crewmate, 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)

Expedition 24 NASA Flight Engineer Shannon Walker, top, Expedition 24 NASA Flight Engineer Doug Wheelock, center, and Expedition 24 Soyuz Commander Fyodor Yurchikhin wave farewell from the bottom of the Soyuz rocket at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Wednesday, June 16, 2010. Walker, Wheelock and Yurchikhin launched in their Soyuz TMA-19 rocket from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010 at 3:35 a.m. Photo Credit: (NASA/Carla Cioffi)

Soyuz TMA-19 crewmembers including Expedition 25 Commander Doug Wheelock, left, and Flight Engineers Fyodor Yurchikhin and Shannon Walker are seen after being removed from th capsule near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 24 Soyuz Commander and Flight Engineer Fyodor Yurchikhin performs the traditional door signing prior to his launch to the International Space Station, Tuesday, June 15, 2010 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Yurchikhin was launched onboard the Soyuz rocket the following morning with Expedition 24 Flight Engineer Shannon Walker and Doug Wheelock on a mission to the ISS. Photo Credit: (NASA/Carla Cioffi)

Expedition 51 Flight Engineer Jack Fischer of NASA, bottom right, and Soyuz Commander Fyodor Yurchikhin of Roscosmos, top right, speak with leadership of Roscosmos and NASA after having their Russian Sokol suits pressure checked in preparation for launch onboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Fischer and Yurchikhin is scheduled to launch at 1:13pm Baikonur time on April 20. Photo Credit: (NASA/Victor Zelentsov)

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)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos has his Russian Sokol suit pressure checked in preparation for launch aboard the Soyuz MS-04 spacecraft on Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13 p.m. April 20 Baikonur time, and will carry Yurchikhin and crewmate Flight Engineer Jack Fischer of NASA into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (GCTC/Andrey Shelepin)

Expedition 25 Flight Engineer Fyodor Yurchikhin is helped from a Russian Search and Rescue all terrain vehicle to a helicopter shortly after Yurchikhin, Expedition 25 Commander Doug Wheelock and Flight Engineer Shannon Walker landed in the Soyuz TMA-19 spacecraft near Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Backup Expedition 13 Commander Fyodor N. Yurchikhin, left, Michael Fincke, NASA backup Flight Engineer and Science Officer, and backup Soyuz crew member Sergei Volkov, right, take a break from training at the Cosmonaut Hotel in Baikonur, Kazakhstan Saturday, March 25, 2006. Photo Credit: (NASA/Bill Ingalls)

Expedition 36/37 Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos) looks out from the bus that will cary him and fellow crew members, Flight Engineers; Karen Nyberg of NASA, and, Luca Parmitano of the European Space Agency from the Cosmonaut Hotel to building 254 where they will don their Sokol suits in preparation for their launch onboard a Soyuz rocket, Tuesday, May 28, 2013, in Baikonur, Kazakhstan. Photo credit: (NASA/Bill Ingalls)

A family member makes a photograph of Expedition 36 Soyuz Commander Fyodor Yurchikhin at the Baikonur Cosmodrome, Tuesday, May 28, 2013 in Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 36/37 Flight Engineer Luca Parmitano of the European Space Agency, right, and Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos) are seen during the crew press conference at the Cosmonaut Hotel, Monday, May 27, 2013, in Kazakhstan. Parmitano, Yurchikhin and fellow crew member Karen Nyberg of NASA, were in quarantine and kept behind glass during the press conference in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

A view of the projection screens from the Tsenki Conference Hall shows live video feed of the Expedition 51 crew members gathered together on the International Space Station a few hours after the Soyuz MS-04 spacecraft docked on Thursday, April 20, 2017 in Baikonur, Kazakhstan. Pictured are Expedition 51 crew members, Soyuz Commander Fyodor Yurchikhin of Roscosmos, bottom left, and Flight Engineer Jack Fischer of NASA, bottom right. Yurchikhin and Fischer's arrival to the International Space Station comes the same day they launched from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Aubrey Gemignani)

Expedition 36/37 Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos) and Flight Engineer Karen Nyberg of NASA, are seen during the crew press conference at the Cosmonaut Hotel, Monday, May 27, 2013, in Kazakhstan. Yurchikhin, Nyberg and fellow crew member Luca Parmitano of the European Space Agency, were in quarantine and kept behind glass during the press conference in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

Seated from left, Expedition 25 Commander Doug Wheelock and Flight Engineers Fyodor Yurchikhin and Shannon Walker talk during during a press conference after being greeting back to Earth by girls in traditional Kazakhstan at the Kostanay, Kazakhstan airport on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, landed in their Soyuz TMA-19 spacecraft outside the town of Arkalyk, Kazakhstan after nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Expedition 36/37 Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), smiles during the crew press conference at the Cosmonaut Hotel, Monday, May 27, 2013, in Kazakhstan. Yurchikin and his fellow crew members, Flight Engineers: Karen Nyberg of NASA, and Luca Parmitano of the European Space Agency, were in quarantine and kept behind glass during the press conference in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

Expedition 36/37 Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), waves during the crew press conference at the Cosmonaut Hotel, Monday, May 27, 2013, in Kazakhstan. Yurchikin and his fellow crew members, Flight Engineers: Karen Nyberg of NASA, and Luca Parmitano of the European Space Agency, were in quarantine and kept behind glass during the press conference in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

Expedition 36/37 Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), talks during the crew press conference at the Cosmonaut Hotel, Monday, May 27, 2013, in Kazakhstan. Yurchikin and his fellow crew members, Flight Engineers: Karen Nyberg of NASA, and Luca Parmitano of the European Space Agency, were in quarantine and kept behind glass during the press conference in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

Expedition 37 Commander Fyodor Yurchikhin is seen holding the Olympic torch minutes after he and his crew landed in a remote area southeast of the town of Zhezkazgan, Kazakhstan, on Monday, Nov. 11, 2013. The Olympic torch was launched with the crew of Expedition 38 to the International Space Station on November 7. It was passed from one module to the next and had its first spacewalk on November 9 with two Russian cosmonauts as part of its international relay. Now back on earth it will continue its journey to Sochi, Russia for the 2014 Winter Games. Photo Credit: (NASA/Carla Cioffi)

Expedition 36 NASA Soyuz Commander Fyodor Yurchikhin has his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-09M spacecraft to the International Space Station, Tuesday, May 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Yurchikhin, NASA Flight Engineer Karen Nyberg and European Space Agency Flight Engineer Luca Parmitano on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 36 NASA Soyuz Commander Fyodor Yurchikhin has his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-09M spacecraft to the International Space Station, Tuesday, May 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Yurchikhin, NASA Flight Engineer Karen Nyberg and European Space Agency Flight Engineer Luca Parmitano on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 24 Soyuz Commander Fyodor Yurchikhin, center, is escorted to the Soyuz rocket at the launch pad at the Baikonur Cosmodrome in Baikonur, Kazakhstan on Tuesday, June 15, 2010. Yurchikhin and Flight Engineers Shannon Walker and Doug Wheelock launched in their Soyuz TMA-19 rocket at 3:35 a.m. Wednesday, June 16, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 36 NASA Soyuz Commander Fyodor Yurchikhin has his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-09M spacecraft to the International Space Station, Tuesday, May 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Yurchikhin, NASA Flight Engineer Karen Nyberg and European Space Agency Flight Engineer Luca Parmitano on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 24 NASA Flight Engineer Shannon Walker, top, Expedition 24 NASA Flight Engineer Doug Wheelock, center, and Expedition 24 Soyuz Commander Fyodor Yurchikhin prepare to board their Soyuz TMA-19 spacecraft at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Wednesday, June 16, 2010. Walker, Wheelock and Yurchikhin launched in their Soyuz TMA-19 rocket from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010 at 3:35 a.m. Photo Credit: (NASA/Carla Cioffi)

Expedition 36 Soyuz Commander Fyodor Yurchikhin is seen talking to family members after donning his Russian Sokol suit in preparation for his launch aboard the Soyuz rocket, Tuesday, May 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Yurchikhin, Flight Engineer Karen Nyberg and European Space Agency Flight Engineer Luca Parmitano on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos, bottom and Flight Engineer Jack Fischer of NASA, top, wave farewell prior to boarding the Soyuz MS-04 spacecraft for launch, Thursday, April 20, 2017 at the Baikonur Cosmodrome in Kazakhstan. Yurchikhin and Fischer will spend the next four and a half months aboard the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 36 NASA Soyuz Commander Fyodor Yurchikhin has his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-09M spacecraft to the International Space Station, Tuesday, May 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Yurchikhin, NASA Flight Engineer Karen Nyberg and European Space Agency Flight Engineer Luca Parmitano on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 24 NASA Flight Engineer Shannon Walker, far right, Soyuz Commander Fyodor Yurchikhin, second from right, and Flight Engineer Doug Wheelock don their Russian Sokol suits at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Walker, Yurchikhin and Wheelock launched in their Soyuz TMA-19 rocket from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 24 NASA Flight Engineer Doug Wheelock, left, of the U.S. and Soyuz Commander Fyodor Yurchikhin have their Russian Sokol suits prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Wheelock, Yurchikhin and Flight Engineer Shannon Walker launched in their Soyuz TMA-19 rocket from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 36 Soyuz Commander Fyodor Yurchikhin is seen talking to family members after donning his Russian Sokol suit in preparation for his launch aboard the Soyuz rocket, Tuesday, May 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Yurchikhin, Flight Engineer Karen Nyberg and European Space Agency Flight Engineer Luca Parmitano on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 24 NASA Flight Engineer Shannon Walker, top, Expedition 24 NASA Flight Engineer Doug Wheelock, center, and Expedition 24 Soyuz Commander Fyodor Yurchikhin wave farewell from the bottom of the Soyuz rocket at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Wednesday, June 16, 2010. Walker, Wheelock and Yurchikhin launched in their Soyuz TMA-19 rocket from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010 at 3:35 a.m. Photo Credit: (NASA/Carla Cioffi)

Expedition 36 NASA Soyuz Commander Fyodor Yurchikhin has his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-09M spacecraft to the International Space Station, Tuesday, May 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Yurchikhin, NASA Flight Engineer Karen Nyberg and European Space Agency Flight Engineer Luca Parmitano on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 36 Soyuz Commander Fyodor Yurchikhin is seen talking to family members after donning his Russian Sokol suit in preparation for his launch aboard the Soyuz rocket, Tuesday, May 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Yurchikhin, Flight Engineer Karen Nyberg and European Space Agency Flight Engineer Luca Parmitano on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 36 Soyuz Commander Fyodor Yurchikhin is seen talking to family members after donning his Russian Sokol suit in preparation for his launch aboard the Soyuz rocket, Tuesday, May 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Yurchikhin, Flight Engineer Karen Nyberg and European Space Agency Flight Engineer Luca Parmitano on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 24 Soyuz Commander Fyodor Yurchikhin, far right, and Flight Engineer Doug Wheelock, third from right, are escorted to the Soyuz rocket at the launch pad at the Baikonur Cosmodrome in Baikonur, Kazakhstan on Wednesday, June 16, 2010. Yurchikhin, Wheelock and Flight Engineer Shannon Walker launched in their Soyuz TMA-19 rocket at 3:35 a.m. Wednesday, June 16, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 24 NASA Flight Engineer Doug Wheelock, left, of the U.S. and Soyuz Commander Fyodor Yurchikhin have their Russian Sokol suits prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Wheelock, Yurchikhin and Flight Engineer Shannon Walker launched in their Soyuz TMA-19 rocket from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 36 Soyuz Commander Fyodor Yurchikhin is seen talking to family members after donning his Russian Sokol suit in preparation for his launch aboard the Soyuz rocket, Tuesday, May 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Yurchikhin, Flight Engineer Karen Nyberg and European Space Agency Flight Engineer Luca Parmitano on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 24 back-up European Space Agency crew member Paolo Nespoli of Italy, far left, helps Doug Wheelock and Soyuz Commander Fyodor Yurchikhin with their Russian Sokol suit preparations at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, June 15, 2010. Photo Credit: (NASA/Carla Cioffi)

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)

Expedition 24 Flight Engineer Shannon Walker answers a reporter’s question during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan on Monday, June 14, 2010. The launch of the Soyuz spacecraft with Expedition 24 NASA Flight Engineers Shannon Walker and Douglas Wheelock, and Soyuz Commander Fyodor Yurchikhin is scheduled for Wednesday, June 16, 2010 at 3:35 a.m. Kazakhstan time. Photo Credit: (NASA/Carla Cioffi)

Expedition 50 backup crew members, NASA astronaut Jack Fisher, left, Russian cosmonaut Fyodor Yurchikhin of Roscosmos, center, and ESA astronaut Paolo Nespoli, left, answer questions from the press ahead of their Soyuz qualification exams, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 backup crew members, ESA astronaut Paolo Nespoli, left, Russian Russian cosmonaut Fyodor Yurchikhin of Roscosmos, center, and NASA astronaut Jack Fisher meet with mission managers during their Soyuz qualification exams, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 36/37 Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos) signs a hotel room door at the Cosmonaut Hotel, Tuesday, May 28, 2013, in Baikonur, Kazakhstan. Yurichikin and his fellow crew members, Flight Engineers; Karen Nyberg of NASA, and Luca Parmitano of the European Space Agency, were departing the hotel in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

Expedition 51 prime crew members, Flight Engineer Jack Fischer of NASA, left, and Soyuz Commander Fyodor Yurchikhin of Roscosmos, second left, are seen with Expedition 51 back up crew members, Soyuz Commander Sergey Ryazanskiy of Roscosmos, second from right, and Flight Engineer Randy Bresnik of NASA, right, during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan on Wednesday, April 19, 2017. The mission is set to launch April 20 from the Baikonur Cosmodrome. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 50 backup crew members, NASA astronaut Jack Fisher, left, Russian cosmonaut Fyodor Yurchikhin of Roscosmos, center, and ESA astronaut Paolo Nespoli, left, answer questions from the press ahead of their Soyuz qualification exams, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 36/37 Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos) talks during the State Commission meeting at the Cosmonaut Hotel, Monday, May 27, 2013, in Kazakhstan. Yurichikin and his fellow crew members, Flight Engineers; Karen Nyberg of NASA, and Luca Parmitano of the European Space Agency, were in quarantine and kept behind glass during the meeting in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

Expedition 50 backup crew members, ESA astronaut Paolo Nespoli, left, Russian cosmonaut Fyodor Yurchikhin of Roscosmos, center, and NASA astronaut Jack Fisher don their Sokol suits ahead of their Soyuz qualification exams, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 backup crew members NASA astronaut Jack Fisher, left, and Russian cosmonaut Fyodor Yurchikhin of Roscosmos, answer questions from the press ahead of their Soyuz qualification exams with ESA astronaut Paolo Nespoli, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 backup crew members, NASA astronaut Jack Fisher, left, Russian cosmonaut Fyodor Yurchikhin of Roscosmos, center, and ESA astronaut Paolo Nespoli, left, answer questions from the press ahead of their Soyuz qualification exams, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Sergei A. Volkov, left, backup Soyuz crew member, Michael Fincke, Expedition 13 backup Flight Engineer and Science Officer, and Fyodor N. Yurchikhin, right, Expedition 13 backup Commander, take a break from training at the Cosmonaut Hotel in Baikonur, Kazakhstan, Saturday, March 25, 2006. Photo Credit: (NASA/Bill Ingalls)

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)

Expedition 24 prime and back-up crew members pose pose for a group photo after a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan, Monday, June 14, 2010. From left: NASA astronaut Doug Wheelock, Russian cosmonaut Fyodor Yurchikhin, NASA astronaut Shannon Walker, NASA astronaut Cady Coleman, Russian cosmonaut Dimitri Kondratiev and European Space Agency Paolo Nespoli of Italy. The launch of the Soyuz spacecraft with Expedition 24 NASA Flight Engineers Shannon Walker and Douglas Wheelock, and Soyuz Commander Fyodor Yurchikhin is scheduled for Wednesday, June 16, 2010 at 3:35 a.m. Kazakhstan time. Photo Credit: (NASA/Carla Cioffi)

Expedition 36/37 Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), center, Flight Engineers; Karen Nyberg of NASA, left, and Luca Parmitano of the European Space Agency, give a thumbs up after the crew's press conference at the Cosmonaut Hotel, Monday, May 27, 2013, in Kazakhstan. The crew is in quarantine and behind glass during the press conference in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Yurchikhin, Nyberg, and, Parmitano, will remain aboard the station until mid-November. Photo credit: (NASA/Bill Ingalls)

Expedition 36/37 Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), center, Flight Engineers; Karen Nyberg of NASA, left, and Luca Parmitano of the European Space Agency, are seen during the crew's press conference at the Cosmonaut Hotel, Monday, May 27, 2013, in Kazakhstan. The crew is in quarantine and behind glass during the press conference in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Yurchikhin, Nyberg, and, Parmitano, will remain aboard the station until mid-November. Photo credit: (NASA/Bill Ingalls)

Expedition 36/37 Flight Engineer Karen Nyberg of NASA, left, Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), center, and Flight Engineer Luca Parmitano of the European Space Agency, receive a traditional blessing from an Orthodox Priest prior to the three crew members departing the Cosmonaut Hotel for suit up and launch onboard a Soyuz to the International Space Station, Tuesday, May 28, 2013, Baikonur Kazakhstan. The crew's Soyuz rocket is scheduled to launch at 2:31a.m., Wednesday May 29, Kazakh time. Yurchikhin, Nyberg, and, Parmitano, will remain aboard the station until mid-November. Photo credit: (NASA/Bill Ingalls)

Expedition 36/37 Flight Engineer Karen Nyberg of NASA, left, Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), center, and Flight Engineer Luca Parmitano of the European Space Agency, are seen as they depart the crew press conference at the Cosmonaut Hotel, Monday, May 27, 2013, in Kazakhstan. The crew is in quarantine and behind glass during the press conference in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Yurchikhin, Nyberg, and, Parmitano, will remain aboard the station until mid-November. Photo credit: (NASA/Bill Ingalls)