
NASA Administrator Charles Bolden, left, Head of the Russian Federal Space Agency, Anatoly Perminov, center, and Deputy Head of the Russian Federal Space Agency, Vitaly A. Davyidov listen to reporters questions during a press conference at Mission Control Center Moscow in Korolev, Russia shortly after the successful docking of the Soyuz TMA-16 spacecraft with the International Space Station (ISS) marking the start of Expedition 21 with Flight Engineer Jeffrey N. Williams, Expedition 21 Flight Engineer Maxim Suraev, and Spaceflight Participant Guy Laliberté, Friday, Oct. 2, 2009. The entire crew onboard the ISS can be seen in the monitor below. Photo Credit: (NASA/Bill Ingalls)

Interior view of the Mission Control Center

Exterior view of the Mission Control Center

View from the balcony of the Russian Mission Control Center in Korolev, Russia a little more than an hour before the planned docking of the Soyuz TMA-04M to the International Space Station on Thursday, May 17, 2012. Onboard the soyuz spacecraft are Expedition 31 Soyuz Commander Gennady Padalka, Flight Engineer Sergei Revin, and NASA Flight Engineer Joe Acaba. The crew of three launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15 from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

The crews of Expedition 24 and Expedition 25 are seen on a video monitor at Russian Mission Control in Korolev, Russia shortly after crew members of Expedition 25 docked to and entered the International Space Station on Sunday, Oct. 10, 2010. Photo Credit: (NASA/Carla Cioffi)

A view of the Russian Mission Control Center in Korolev, Russia on Friday, March 28, 2014 prior to the docking of Soyuz TMA-12M. The Soyuz TMA-12M spacecraft docked to the International Space Station at 7:53 p.m. EDT bringing Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steve Swanson of NASA and Flight Engineer Oleg Artemyev of Roscosmos to the ISS for their six month stay aboard the orbiting labratory. Photo Credit: (NASA/Joel Kowsky)

Interior view of the Mission Control Center

Russian flight controllers at the Russian Mission Control Center in Korolev, Russia monitor the Soyuz TMA-04M as it docks to the International Space Station on Thursday, May 17, 2012. Onboard the soyuz spacecraft are Expedition 31 Soyuz Commander Gennady Padalka, Flight Engineer Sergei Revin, and NASA Flight Engineer Joe Acaba. The crew of three launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15 from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

William Gerstenmaier, Associate Administrator for Space Operations, is interviewed by Russian Federal Space Agency (ROSCOSMOS) TV following a Soyuz post-docking press conference at the Russian Mission Control Center in Korolev, Russia on Friday, June 10, 2011. The Soyuz TMA-02M docked to the International Space Station carrying Expedition 28 Soyuz Commander Sergei Volkov, NASA Flight Engineer Mike Fossum and JAXA (Japanase Aerospace Exploration Agency) Flight Engineer Satoshi Furukawa. Photo Credit: (NASA/Carla Cioffi)

View from the balcony of the Russian Mission Control Center in Korolev, Russia a little more than an hour before the planned docking of the Soyuz TMA-04M to the International Space Station on Thursday, May 17, 2012. Onboard the soyuz spacecraft are Expedition 31 Soyuz Commander Gennady Padalka, Flight Engineer Sergei Revin, and NASA Flight Engineer Joe Acaba. The crew of three launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15 from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

Interior view of the Mission Control Center

Interior view of the Mission Control Center

The crews of Expedition 26 and Expedition 27 are seen on a large screen TV on the far right at the Russian Mission Control Center in Korolev, Russia shortly after Expedition 27's arrival to the International Space Station on Thursday, April 7, 2011. From top left clockwise: Italian Flight Engineer Paolo Nespoli, Expedition 27 Commander Dimitry Kondratiev, NASA Flight Engineer Cady Coleman, NASA Flight Engineer Ron Garan, Soyuz Commander Alexander Samokutyaev and Flight Engineer Andrey Borisenko. Photo Credit: (NASA/Carla Cioffi)

Interior view of the Mission Control Center

Kenny Fossum, right, youngest son of Expedition 28 NASA Flight Engineer Mike Fossum, is seen at Russian Mission Control in Korolev, Russia speaking to his father shortly after his arrival at the International Space Station on Friday, June 10, 2011. Photo Credit: (NASA/Carla Cioffi)

Vladislav Kondratyev, son of Expedition 26 Soyuz Commander Dmitry Kondratyev, is seen at Russian Mission Control in Korolev, Russia speaking to his father shortly after his arrival at the International Space Station on Saturday, Dec. 18, 2010. Photo Credit: (NASA/Carla Cioffi)

Oksana Samokutyaev, far left, wife of Expedition 27 Soyuz Commander Alexander Samokutyaev, is seen at Russian Mission Control in Korolev, Russia speaking to her husband shortly after his arrival at the International Space Station on Thursday, April 7, 2011. Photo Credit: (NASA/Carla Cioffi)

NASA Director of Human Space Flight Program in Russia Joel Montalbano talks on the phone to the crew of Expedition 31, who are onboard the International Space Station, from the Russian Mission Control Center, Thursday, May 17, 2012 in Korolev, Russia. Expedition 31 Soyuz Commander Gennady Padalka, Flight Engineer Sergei Revin, and NASA Flight Engineer Joe Acaba docked their soyuz TMA-04M spacecraft to the space station at 8:36 a.m. Moscow time two days after they launched from the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Interior view of the Mission Control Center

Kirk Shireman, second from right, NASA's ISS Deputy Program Manager, is seen at Russian Mission Control in Korolev, Russia speaking to the crew of Expedition 26 shortly after their arrival at the International Space Station on Saturday, Dec. 18, 2010. Photo Credit: (NASA/Carla Cioffi)

Mary Ellen Caldwell, center, speaks to her daughter NASA Flight Engineer Tracy Caldwell Dyson onboard the International Space Station from the Russian Mission Control Center, Korolev, Russia, Sunday, April 4, 2010. The Soyuz TMA-18 docked to the International Space Station carrying Expedition 23 Soyuz Commander Alexander Skvortsov, Flight Engineer Mikhail Kornienko and NASA Flight Engineer Tracy Caldwell Dyson. Photo Credit: (NASA/Carla Cioffi)

Interior view of the Mission Control Center

Interior view of the Mission Control Center

Interior view of the Mission Control Center

Interior view of the Mission Control Center

Interior view of the Mission Control Center

A view from the balcony of the Russian Mission Control Center shows live television of the Expedition 39 crew members gathered together on the International Space Station a few hours after the Soyuz TMA-12M spacecraft docked on Friday, March 28, 2014, in Korolev, Russia. Pictured are Expedition 39 crew members Flight Engineer Steve Swanson of NASA, left, Commander Koichi Wakata of the Japan Aerospace Exploration Agency, JAXA, back left, Flight Engineer Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, front center, Flight Engineer Rick Mastracchio of NASA, back center, Flight Engineer Mikhail Tyurin of Roscosmos, back right and Flight Engineer Oleg Artemyev of Roscosmos, front right. Swanson, Skvortsov, and Oleg's arrival to the International Space Station comes two days after they launched from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Joel Kowsky)

Jamey Simpson, son of Expedition 26 Flight Engineer Catherine Coleman, is seen at Russian Mission Control in Korolev, Russia speaking to his mother shortly after her arrival at the International Space Station on Saturday, Dec. 18, 2010. Photo Credit: (NASA/Carla Cioffi)

Interior view of the Mission Control Center

William Gerstenmaier, third from right, Associate Administrator for Space Operations answers a reporter’s question during a Soyuz post-docking press conference at the Russian Mission Control Center in Korolev, Russia on Sunday, Oct. 10, 2010. Gerstenmaier is flanked by NASA and ROSCOSMOS senior officials. Photo Credit: (NASA/Carla Cioffi)

Carmel Garan, center, wife of Expedition 27 NASA Flight Engineer Ron Garan, is seen at Russian Mission Control in Korolev, Russia speaking to her husband shortly after his arrival at the International Space Station on Thursday, April 7, 2011. Photo Credit: (NASA/Carla Cioffi)

Kirk Shireman, right, NASA's deputy ISS program manager, answers reporter’s questions during a Soyuz post-docking press conference at the Russian Mission Control Center in Korolev, Russia on Sunday, April 4, 2010. The Soyuz TMA-18 docked to the International Space Station carrying Expedition 23 Soyuz Commander Alexander Skvortsov, Flight Engineer Mikhail Kornienko and NASA Flight Engineer Tracy Caldwell Dyson. Photo Credit: (NASA/Carla Cioffi)

NASA Administrator Charles Bolden, Left, and Head of the Russian Federal Space Agency, Anatoly Perminov turn to pose for a photograph at Mission Control Center Moscow in Korolev, Russia shortly after the successful docking of the Soyuz TMA-16 spacecraft with the International Space Station (ISS) marking the start of Expedition 21 with Flight Engineer Jeffrey N. Williams, Expedition 21 Flight Engineer Maxim Suraev, and Spaceflight Participant Guy Laliberté, Friday, Oct. 2, 2009. Lalibreté will return to Earth with the Expedition 20 crew on October 11, 2009. Photo Credit: (NASA/Bill Ingalls)

View from the balcony of the Russian Mission Control Center shows the Expedition 31 crew portrait along with a timeline of Soyuz TMA-04M docking events on Thursday, May 17, 2012, in Korolev, Russia. The Soyuz docked to the International Space Station at 8:36 a.m. Moscow time with Expedition 31 Soyuz Commander Gennady Padalka, Flight Engineer Sergei Revin, and NASA Flight Engineer Joe Acaba two days after they launched from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

Interior view of the Mission Control Center

George Dyson, right, speaks to his wife NASA Flight Engineer Tracy Caldwell Dyson onboard the International Space Station from the Russian Mission Control Center, Korolev, Russia, Sunday, April 4, 2010. The Soyuz TMA-18 docked to the International Space Station carrying Expedition 23 Soyuz Commander Alexander Skvortsov, Flight Engineer Mikhail Kornienko and NASA Flight Engineer Tracy Caldwell Dyson. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-01M nears its docking with the International Space Station as seen in the video monitor at Russian Mission Control Center in Korolev, Russia on Sunday, Oct. 10, 2010. The TMA-01M delivered the crew of Expedition 25 Soyuz Commander Alexander Kaleri, Flight Engineer Scott Kelly and Flight Engineer Oleg Skripochka to the ISS. Photo Credit: (NASA/Carla Cioffi)

Alexei Krasnov, Director of Manned Space Programs Department, ROSCOSMOS, answers a reporter’s question during a Soyuz post-docking press conference at the Russian Mission Control Center in Korolev, Russia on Friday, June 18, 2010. Photo Credit: (NASA/Carla Cioffi)

Melanie Fossum, right, wife of Expedition 28 NASA Flight Engineer Mike Fossum, is seen at Russian Mission Control in Korolev, Russia speaking to her husband shortly after his arrival at the International Space Station on Friday, June 10, 2011. Photo Credit: (NASA/Carla Cioffi)

Interior view of the Mission Control Center

NASA astronaut and Expedition 24 back-up crew member, Cady Coleman, speaks with the crew of Expedition 24 upon their arrival to the International Space Station on Friday, June 18, 2010 at Russian Mission Control Center in Korolev, Russia. Photo Credit: (NASA/Carla Cioffi)

John Fossum, right, son of Expedition 28 NASA Flight Engineer Mike Fossum, is seen at Russian Mission Control in Korolev, Russia speaking to his father shortly after his arrival at the International Space Station on Friday, June 10, 2011. Photo Credit: (NASA/Carla Cioffi)

Kirk Shireman, third from right, NASA's deputy ISS program manager, answers reporter’s questions during a Soyuz post-docking press conference at the Russian Mission Control Center in Korolev, Russia on Saturday, Dec. 18, 2010. The Soyuz TMA-20 docked to the International Space Station carrying Expedition 26 Soyuz Commander Dmitry Kondratyev, Flight Engineer Catherine Coleman and European Space Agency Flight Engineer Paolo Nespoli. Photo Credit: (NASA/Carla Cioffi)

A large TV screen in Russian Mission Control Center in Korolev, Russia shows Expedition 23 Commander Oleg Kotov, right, welcoming NASA astronaut and Flight Engineer Tracy Caldwell Dyson onboard the International Space Station after she and fellow crew members Expedition 23 Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko docked their Soyuz TMA-18 spacecraft on Sunday, April 4, 2010. Photo Credit: (NASA/Carla Cioffi)

Interior view of the Mission Control Center

NASA astronaut Mark Kelly speaks on the phone to his twin brother, Expedition 25 Flight Engineer Scott Kelly, after his arrival to the International Space Station on Sunday, Oct. 10, 2010 in Korolev, Russia. Photo Credit: (NASA/Carla Cioffi)

Interior view of the Mission Control Center

The Soyuz TMA-19 nears its docking with the International Space Station (ISS) as seen in the video monitor at Russian Mission Control Center in Korolev, Russia on Friday, June 18, 2010. The TMA-19 delivered the crew of Expedition 24 Soyuz Commander Fyodor Yurchikhin, and NASA Flight Engineers Doug Wheelock and Shannon Walker to the ISS. Photo Credit: (NASA/Carla Cioffi)
Exterior view of the Mission Control Center

Vladimir Popovkin, Head of the Russian Federal Space Agency (ROSCOSMOS) answers a reporter’s question during a Soyuz post-docking press conference at the Russian Mission Control Center in Korolev, Russia on Friday, June 10, 2011. The Soyuz TMA-02M docked to the International Space Station carrying Expedition 28 Soyuz Commander Sergei Volkov, NASA Flight Engineer Mike Fossum and JAXA (Japanase Aerospace Exploration Agency) Flight Engineer Satoshi Furukawa. Photo Credit: (NASA/Carla Cioffi)

The crew of Expedition 23 are seen on a large TV screen in the Russian Mission Control Center in Korolev, Russia, Sunday, April 4, 2010, shortly after the Soyuz TMA-18 spacecraft docked to the International Space Station and delivered Expedition 23 Flight Engineers Alexander Skvortsov, Mikhail Kornienko and Tracy Caldwell Dyson. Clockwise from top right are NASA astronaut TJ Creamer, NASA astronaut Tracy Caldwell Dyson, Russian cosmonaut Alexander Skvortsov, Russian cosmonaut Mikhail Kornienko, JAXA (Japan Aerospace Exploration Agency) astronaut Soichi Noguchi and Expedition 23 commander Russian cosmonaut Oleg Kotov . Photo Credit: (NASA/Carla Cioffi)

Anna-Marie Williams talks on the phone to her husband Expedition 21 with Flight Engineer Jeffrey N. Williams who is onboard the International Space Station (ISS) from the Mission Control Center Moscow in Korolev, Russia shortly after the successful docking of the Soyuz TMA-16 spacecraft with the International Space Station marking the start of Expedition 21 with Williams, Expedition 21 Flight Engineer Maxim Suraev, and Spaceflight Participant Guy Laliberté, Friday, Oct. 2, 2009. Photo Credit: (NASA/Bill Ingalls)

Interior view of the Mission Control Center

Interior view of the Mission Control Center

Interior view of the Mission Control Center

Keiko Furukawa, second from right, wife of Expedition 28 JAXA (Japanase Aerospace Exploration Agency) Flight Engineer Satoshi Furukawa, is seen at Russian Mission Control in Korolev, Russia speaking to her husband shortly after his arrival at the International Space Station on Friday, June 10, 2011. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-01M nears its docking with the International Space Station as seen in the video monitor at Russian Mission Control Center in Korolev, Russia on Sunday, Oct. 10, 2010. The TMA-01M delivered the crew of Expedition 25 Soyuz Commander Alexander Kaleri, Flight Engineer Scott Kelly and Flight Engineer Oleg Skripochka to the ISS. Photo Credit: (NASA/Carla Cioffi)

A television screen as seen from the balcony of the Russian Mission Control Center in Korolev, Russia shows the Soyuz TMA-04M as it docks to the International Space Station on Thursday, May 17, 2012. Onboard the soyuz spacecraft are Expedition 31 Soyuz Commander Gennady Padalka, Flight Engineer Sergei Revin, and NASA Flight Engineer Joe Acaba. The crew of three launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15 from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

Expedition 39 Flight Engineer Oleg Artemyev of the Russian Federal Space Agency, Roscosmos, left, is seen on the TV screen at the Russian Mission Control Center in Korolev, Russia a few hours after the Soyuz TMA-12M docked to the International Space Station on Friday, March 28, 2014. Artemyev boarded the ISS with fellow crew members Soyuz Commander Alexander Skvortsov of Roscosmos, and Flight Engineer Steve Swanson of NASA. The crew of three launched at 3:17 a.m. Kazakhstan time on Wednesday, March 26 from the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Joel Kowsky)

Alexei Krasnov, Director of Manned Space Programs Department, Roscosmos, listens to reporter’s questions during a Soyuz post-docking press conference at the Russian mission Control Center in Korolev, Russia on Sunday, April 4, 2010. The Soyuz TMA-18 docked to the International Space Station carrying Expedition 23 Soyuz Commander Alexander Skvortsov, Flight Engineer Mikhail Kornienko and NASA Flight Engineer Tracy Caldwell Dyson. Photo Credit: (NASA/Carla Cioffi)

The flags of the countries representing the crew members of Expedition 28 are seen here at the Russian Mission Control Center in Korolev, Russia on Friday, June 10, 2011. The Soyuz TMA-02M docked to the International Space Station carrying Expedition 28 Soyuz Commander Sergei Volkov, NASA Flight Engineer Mike Fossum and JAXA (Japanase Aerospace Exploration Agency) Flight Engineer Satoshi Furukawa. Photo Credit: (NASA/Carla Cioffi)

A view of the International Space Station is seen from the Soyuz TMA-12M on the screen of the Russian Mission Control Center in Korolev, Russia as the spacecraft docks to the Poisk module, Friday, March 28, 2014. The Soyuz TMA-12M with Expedition 39/40 crew members, Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steve Swanson of NASA and Flight Engineer Oleg Artemyev of Roscosmos launched from the Baikonur Cosmodrome in Kazakhstan two days earlier. The Soyuz crew members will be greeted by Expedition 39 Commander Koichi Wakata of the Japan Aerospace Exploration Agency, JAXA, Flight Engineer Mikhail Tyurin of Roscosmos, and Flight Engineer Rick Mastracchio of NASA, who have lived in the orbital laboratory since November of 2013. Photo Credit: (NASA/Joel Kowsky)

Interior view of the Mission Control Center

Interior view of the Mission Control Center

Interior view of the Mission Control Center

Interior view of the Mission Control Center

Interior view of the Mission Control Center

Interior view of the Mission Control Center

Interior view of the Mission Control Center

Head of the Russian Federal Space Agency, Anatoly Perminov, talks to the crew of the International Space Station (ISS) from the Mission Control Center Moscow in Korolev, Russia shortly after the successful docking of the Soyuz TMA-16 spacecraft with the International Space Station marking the start of Expedition 21 with Flight Engineer Jeffrey N. Williams, Expedition 21 Flight Engineer Maxim Suraev, and Spaceflight Participant Guy Laliberté, Friday, Oct. 2, 2009. Photo Credit: (NASA/Bill Ingalls)

Top officials from the Russian Federal Space Agency and NASA hold a Soyuz post-docking press conference at the Russian Mission Control Center in Korolev, Russia on Thursday, April 7, 2011. The Soyuz TMA-21 docked to the International Space Station carrying Expedition 27 Soyuz Commander Alexander Samokutyaev, NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko. Photo Credit: (NASA/Carla Cioffi)

Interior view of the Mission Control Center

Spaceflight Participant Guy Laliberté is in the foreground as the entire crew onboard the International Space Station (ISS) is seen on a screen in the Mission Control Center Moscow in Korolev, Russia shortly after the successful docking of the Soyuz TMA-16 spacecraft with the International Space Station marking the start of Expedition 21 with Flight Engineer Jeffrey N. Williams, Expedition 21 Flight Engineer Maxim Suraev, and Spaceflight Participant Guy Laliberté, Friday, Oct. 2, 2009. Photo Credit: (NASA/Bill Ingalls)

Interior view of the Mission Control Center

The family of Expedition 31 Flight Engineer Joe Acaba applauds as they watch the docking of the Soyuz TMA-04M spacecraft on the TV screen at the Russian Mission Control Center in Korolev, Russia, Thursday, May 17, 2012. The Soyuz docked to the International Space Station with Acaba and fellow crew members, Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin two days after they launched from the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Interior view of the Mission Control Center

The crews of Expedition 25 and Expedition 26 are seen on a large screen TV at the Russian Mission Control Center in Korolev, Russia shortly after Expedition 26's arrival to the International Space Station on Saturday, Dec. 18, 2010. From top left clockwise: Flight Engineer Alexander Kaleri, Expedition 26 Commander Scott Kelly, Flight Engineer Oleg Skripochka, Flight Engineer and ESA astronaut Paolo Nespoli, Flight Engineer Dmitry Kondratyev and Flight Engineer Catherine Coleman. Photo Credit: (NASA/Carla Cioffi)

View from the balcony of the Russian Mission Control Center in Korolev, Russia as the Soyuz TMA-20 nears the International Space Station on Saturday, Dec. 18, 2010. The Soyuz TMA-20 docked to the International Space Station carrying Expedition 26 Soyuz Commander Dmitry Kondratyev, Flight Engineer Catherine Coleman and European Space Agency Flight Engineer Paolo Nespoli. Photo Credit: (NASA/Carla Cioffi)

View from the balcony of the Russian Mission Control Center shows live television of the Expedition 31 crew members gathered together on the International Space Station a few hours after the Soyuz TMA-04M spacecraft docked on Thursday, May 17, 2012, in Korolev, Russia. Pictured are Expedition 31 crew members NASA Flight Engineer Don Pettit, back left, Oleg Kononenko of Russia, ESA (European Space Agency) astronaut and Flight Engineer Andre Kuipers, back right, Flight Engineer Sergei Revin, front left, Soyuz Commander Gennady Padalka, and Flight Engineer Joe Acaba, bottom right. Padalka, Revin and Acaba's arrival to the International Space Station comes two days after they launched from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

Top officials from the Russian Federal Space Agency and NASA hold a Soyuz post-docking press conference at the Russian Mission Control Center in Korolev, Russia on Friday, June 10, 2011. The Soyuz TMA-02M docked to the International Space Station carrying Expedition 28 Soyuz Commander Sergei Volkov, NASA Flight Engineer Mike Fossum and JAXA (Japanase Aerospace Exploration Agency) Flight Engineer Satoshi Furukawa. Photo Credit: (NASA/Carla Cioffi)

Interior view of the Mission Control Center

The crews of Expedition 27 and Expedition 28 are seen on a large screen TV at the Russian Mission Control Center in Korolev, Russia shortly after Expedition 28's arrival to the International Space Station on Friday, June 10, 2011. From top left clockwise: Expedition 27 NASA Flight Engineer Ron Garan, Expedition 27 Russian Flight Engineer Andrey Borisenko, Expedition 27 Commander Alexander Samokutyaev, AXA (Japanase Aerospace Exploration Agency) Flight Engineer Satoshi Furukawa, Expedition 28 Soyuz Commander Sergei Volkov and Expedition 28 NASA Flight Engineer Mike Fossum. Photo Credit: (NASA/Carla Cioffi)

View of Russian Mission Control Center in Korolev, Russia moments before the Soyuz TMA-18 docks to the International Space Station on Sunday, April 4, 2010. Photo Credit: (NASA/Carla Cioffi)
Exterior view of the Mission Control Center

The crews of Expedition 26 and Expedition 27 are seen on a large screen TV at the Russian Mission Control Center in Korolev, Russia shortly after Expedition 27's arrival to the International Space Station on Thursday, April 7, 2011. From top left clockwise: Italian Flight Engineer Paolo Nespoli, Expedition 27 Commander Dimitry Kondratiev, NASA Flight Engineer Cady Coleman, NASA Flight Engineer Ron Garan, Soyuz Commander Alexander Samokutyaev and Flight Engineer Andrey Borisenko. Photo Credit: (NASA/Carla Cioffi)

Interior view of the Mission Control Center
Exterior view of the Mission Control Center

Interior view of the Mission Control Center

Vitaly Davyidov, second from right, Deputy Head of the Russian Federal Space Agency, answers reporter’s questions during a Soyuz post-docking press conference at the Russian Mission Control Center in Korolev, Russia on Saturday, Dec. 18, 2010. The Soyuz TMA-20 docked to the International Space Station carrying Expedition 26 Soyuz Commander Dmitry Kondratyev, Flight Engineer Catherine Coleman and European Space Agency Flight Engineer Paolo Nespoli. Photo Credit: (NASA/Carla Cioffi)

Zoya Borisenko, center, wife of Expedition 27 Flight Engineer Andrey Borisenko, is seen at Russian Mission Control in Korolev, Russia speaking to her husband shortly after his arrival at the International Space Station on Thursday, April 7, 2011. Photo Credit: (NASA/Carla Cioffi)

Interior view of the Mission Control Center

Interior view of the Mission Control Center

The entire crew onboard the International Space Station (ISS) can be seen on a screen of the Mission Control Center Moscow in Korolev, Russia shortly after the successful docking of the Soyuz TMA-16 spacecraft with the International Space Station marking the start of Expedition 21 with Flight Engineer Jeffrey N. Williams, Expedition 21 Flight Engineer Maxim Suraev, and Spaceflight Participant Guy Laliberté, Friday, Oct. 2, 2009. Photo Credit: (NASA/Bill Ingalls)
Exterior view of the Mission Control Center

A television screen as seen from the balcony of the Russian Mission Control Center in Korolev, Russia shows the view from Soyuz TMA-12M as it docks to the International Space Station on Friday, March 28, 2014. Onboard the Soyuz spacecraft are Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steve Swanson of NASA and Flight Engineer Oleg Artemyev of Roscosmos. The crew of three launched at 3:17 a.m. Kazakhstan time on Wednesday, March 26 from the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Joel Kowsky)

The crews of Expedition 24 and Expedition 25 are seen on a video monitor at Russian Mission Control in Korolev, Russia shortly after crew members of Expedition 25 docked to and entered the International Space Station on Sunday, Oct. 10, 2010. Photo Credit: (NASA/Carla Cioffi)

Interior view of the Mission Control Center

The family of Expedition 31 Flight Engineer Joe Acaba sings happy birthday to him from the Russian Mission Control Center in Korolev, Russia, Thursday, May 17, 2012. Acaba, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin, docked their Soyuz TMA-04M spacecraft to the space station at 8:36 a.m. Moscow time, two days after they launched from the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

A view of the International Space Station is seen from the Soyuz TMA-12M on the screen of the Russian Mission Control Center in Korolev, Russia as the spacecraft docks to the Poisk module, Friday, March 28, 2014. The Soyuz TMA-12M with Expedition 39/40 crew members, Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steve Swanson of NASA and Flight Engineer Oleg Artemyev of Roscosmos launched from the Baikonur Cosmodrome in Kazakhstan two days earlier. The Soyuz crew members will be greeted by Expedition 39 Commander Koichi Wakata of the Japan Aerospace Exploration Agency, JAXA, Flight Engineer Mikhail Tyurin of Roscosmos, and Flight Engineer Rick Mastracchio of NASA, who have lived in the orbital laboratory since November of 2013. Photo Credit: (NASA/Joel Kowsky)

Interior view of the Mission Control Center