At the Kremlin Wall at Red Square in Moscow, Expedition 37/38 Flight Engineer Michael Hopkins of NASA lays flowers Sept. 6 in a traditional ceremony to honor Russian space icons who are interred there. Hopkins, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

At the Kremlin Wall at Red Square in Moscow, Expedition 37/38 Flight Engineer Sergey Ryazanskiy lays flowers Sept. 6 in a traditional ceremony to honor Russian space icons who are interred there. Ryazanskiy, Soyuz Commander Oleg Kotov and Flight Engineer Michael Hopkins of NASA are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

At the Kremlin Wall at Red Square in Moscow, Expedition 37/38 Flight Engineer Michael Hopkins of NASA (left), Soyuz Commander Oleg Kotov (center) and Flight Engineer Sergey Ryazanskiy (right) pose for pictures Sept. 6 during the traditional visit to lay flowers at the wall where Russian space icons are interred. Hopkins, Kotov and Ryazanskiy are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

At the Kremlin Wall at Red Square in Moscow, Expedition 37/38 Soyuz Commander Oleg Kotov lays flowers Sept. 6 in a traditional ceremony to honor Russian space icons who are interred there. Kotov, Flight Engineer Michael Hopkins of NASA and Flight Engineer Sergey Ryazanskiy are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 Flight Engineer Michael Hopkins of NASA (left) signs a certification book in a traditional ceremony Sept. 6 as his Soyuz Commander, Oleg Kotov (right) looks on. Hopkins, Kotov and Flight Engineer Sergey Ryazanskiy are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 Flight Engineer Michael Hopkins of NASA answers a question from a reporter at a pre-launch news conference Sept. 6 as his crewmate, Soyuz Commander Oleg Kotov (right) looks on. Along with Flight Engineer Sergey Ryazanskiy, Hopkins and Kotov are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 backup Flight Engineer Steve Swanson of NASA (left) signs a certification book in a traditional ceremony Sept. 6 as his Soyuz Commander, Alexander Skvortsov (center) and backup Flight Engineer Oleg Artemyev (right) look on. The trio is serving as backups to the prime crewmembers --- NASA Flight Engineer Michael Hopkins of NASA, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy, who are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 Flight Engineer Sergey Ryazanskiy (right, front row) signs a certification book in a traditional ceremony Sept. 6 as his prime and backup crewmates look on. In the front row are prime crewmates NASA Flight Engineer Michael Hopkins (left) and Soyuz Commander Oleg Kotov (center). In the back row are backup crewmembers Steve Swanson of NASA (left), Alexander Skvortsov (center) and Oleg Artemyev (right). Hopkins, Kotov and Ryazanskiy are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 Soyuz Commander Oleg Kotov (front row, center) signs a certification book in a traditional ceremony Sept. 6 as his prime and backup crewmates look on. In the front row are prime crewmates NASA Flight Engineer Michael Hopkins (left) and Flight Engineer Sergey Ryazanskiy (right). In the back row are backup crewmembers Steve Swanson of NASA (left), Alexander Skvortsov (center) and Oleg Artemyev (right). Hopkins, Kotov and Ryazanskiy are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

With the onion dome spires of St. Basil’s Cathedral serving as a backdrop, Expedition 37/38 Flight Engineer Michael Hopkins of NASA (front row, left), Soyuz Commander Oleg Kotov (front row, center) and Flight Engineer Sergey Ryazanskiy (front row, right) lead the way along the Kremlin Wall in Red Square in Moscow to lay flowers Sept. 6 in a traditional ceremony to honor Russian space icons who are interred there. Kotov, Hopkins and Ryazanskiy are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 Flight Engineer Michael Hopkins of NASA hands the microphone to an interpreters after answering a question from a reporter at a pre-launch news conference Sept. 6 as his crewmate, Soyuz Commander Oleg Kotov (right) looks on. Along with Flight Engineer Sergey Ryazanskiy, Hopkins and Kotov are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 Soyuz Commander Oleg Kotov (center) holds up a certificate proclaiming his readiness to launch and his crewmate, Flight Engineer Sergey Ryazanskiy (right) holds up a crew portrait Sept. 6 as NASA Flight Engineer Michael Hopkins (left) looks on. Hopkins, Kotov and Ryazanskiy are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

On a rainy day at Red Square in Moscow, Expedition 37/38 Flight Engineer Michael Hopkins of NASA poses for pictures Sept. 6 in front of St. Basil’s Cathedral during a traditional trip to lay flowers at the Kremlin Wall where Russian space icons are interred. In the background is backup crewmember Oleg Artemyev. Hopkins, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

At the Kremlin Wall at Red Square in Moscow, Five of the six Expedition 37/38 prime and backup crewmembers pose for pictures Sept. 6 during the traditional visit to lay flowers at the wall where Russian space icons are interred. With the onion domed spires of St. Basil’s Cathedral in the background, from left to right are backup NASA Flight Engineer Steve Swanson, prime Flight Engineer Michael Hopkins of NASA, prime Soyuz Commander Oleg Kotov, prime Flight Engineer Sergey Ryazanskiy and backup Flight Engineer Oleg Artemyev. Hopkins, Kotov and Ryazanskiy are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

#3263 - (30 October 2014) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 42/43 backup crewmembers Kjell Lindgren of NASA (left), Soyuz Commander Oleg Kononenko of the Russian Federal Space Agency (Roscosmos, center) and Kimiya Yui of the Japan Aerospace Exploration Agency (right) pose for pictures in front of a Soyuz simulator October 30 as part of their final qualification exams for flight. They are the backups to the prime crew --- Terry Virts of NASA, Anton Shkaplerov of Roscosmos and Samantha Cristoforetti of the European Space Agency --- who are in the final stages of training for launch November 24, Kazakh time, in the Soyuz TMA-15M spacecraft to begin a five and a half month mission on the International Space Station. Photo credit: NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 Soyuz Commander Oleg Kotov (second from left) holds a toy cat mascot during a pre-launch news conference Sept. 6 as his crewmates, Flight Engineer Michael Hopkins of NASA (far left) and Flight Engineer Sergey Ryazanskiy (second from the right) look on. Also participating in the news conference was the head of the Cosmonaut Training Center, Sergei Krikalev (far right). The mascot will be mounted inside the crew’s Soyuz TMA-10M spacecraft over Kotov’s head as a “zero-g indicator” once the crew launches. Their launch to the International Space Station is set for Sept. 26, Kazakh time, from the Baikonur Cosmodrome in Kazakhstan. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 Flight Engineer Michael Hopkins of NASA (left), Soyuz Commander Oleg Kotov (center) and Flight Engineer Sergey Ryazanskiy (right) hold a replica of the Olympic torch Sept. 6 following a crew news conference at their training facility outside Moscow. The trio is preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, aboard the Soyuz TMA-10M spacecraft. The torch that will light the Olympic flame at the Opening Ceremonies of the Winter Olympics in Sochi, Russia Feb. 7, 2014 will be flown the space station by another crew in November and brought home several days later as part of a global and galactic Olympic relay. NASA/Stephanie Stoll

JSC2014-E-079812 (5 Sept. 2014) --- Accompanied by his wife and daughters at the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 41 Flight Engineer Barry Wilmore of NASA takes a walk through the Gagarin Museum Sept. 5. Wilmore, Alexander Samokutyaev of the Russian Federal Space Agency (Roscosmos) and Elena Serova of Roscosmos are scheduled to launch from the Baikonur Cosmodrome in Kazakhstan on Sept. 26, Kazakh time, in their Soyuz TMA-14M spacecraft for a 5 ? month mission on the International Space Station. Serova will become the fourth Russian woman to fly in space and the first Russian woman to conduct a long duration mission on the station. Photo credit: NASA/Stephanie Stoll

NASA/Stephanie Stoll

NASA/Stephanie Stoll

NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 48-49 prime crewmember Takuya Onishi of the Japan Aerospace Exploration Agency signs in for the start of final qualification exams May 26 as his crewmates, Anatoly Ivanishin of Roscosmos (left) and Kate Rubins of NASA (right) look on. Rubins, Onishi and Ivanishin will launch June 24 on the Soyuz MS-01 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four-month mission on the International Space Station. NASA/Stephanie Stoll

Accompanied by his wife, ISS Expedition 48-49 crewmember Anatoly Ivanishin of Roscosmos walks to a bus at the Gagarin Cosmonaut Training Center in Star City, Russia June 24 as he and his crewmates departed for their launch site at the Baikonur Cosmodrome in Kazakhstan. Kate Rubins of NASA, Ivanishin and Takuya Onishi of the Japan Aerospace Exploration Agency will launch July 7 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-01 spacecraft for a planned four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 48-49 prime crewmember Kate Rubins of NASA signs in for the start of final qualification exams May 26 as her crewmates, Takuya Onishi of the Japan Aerospace Exploration Agency (left) and Anatoly Ivanishin of Roscosmos (center) look on. Rubins, Onishi and Ivanishin will launch June 24 on the Soyuz MS-01 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, ISS Expedition 48-49 crewmembers Kate Rubins of NASA (left), Anatoly Ivanishin of Roscosmos (center) and Takuya Onishi of the Japan Aerospace Exploration Agency (right) answer questions from reporters June 24 before departing for their launch site at the Baikonur Cosmodrome in Kazakhstan. The trio will launch July 7 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-01 spacecraft for a planned four-month mission on the International Space Station. NASA/Stephanie Stoll

ISS Expedition 48-49 crewmember Takuya Onishi of the Japan Aerospace Exploration Agency departs the Gagarin Cosmonaut Training Center in Star City, Russia June 24 for his launch site at the Baikonur Cosmodrome in Kazakhstan and final pre-launch training. In the background on the right is crewmate Kate Rubins of NASA. Rubins, Anatoly Ivanishin of Roscosmos and Onishi will launch July 7 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-01 spacecraft for a planned four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 48-49 prime crewmembers Kate Rubins of NASA (left), Anatoly Ivanishin of Roscosmos (center) and Takuya Onishi of the Japan Aerospace Exploration Agency (right) pose for pictures May 26 during a final qualification exam session. Rubins, Onishi and Ivanishin will launch June 24 on the Soyuz MS-01 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, training instructors monitor the work of Expedition 48-49 prime crewmembers Kate Rubins of NASA, Takuya Onishi of the Japan Aerospace Exploration Agency and Anatoly Ivanishin of Roscosmos during final qualification exams May 26. Rubins, Onishi and Ivanishin will launch June 24 on the Soyuz MS-01 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 48-49 prime crewmembers Takuya Onishi of the Japan Aerospace Exploration Agency (left), Anatoly Ivanishin of Roscosmos (center) and Kate Rubins of NASA (right) report to officials May 26 at the start of final qualification exams. Rubins, Onishi and Ivanishin will launch June 24 on the Soyuz MS-01 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 48-49 prime crewmembers Kate Rubins of NASA (left), Anatoly Ivanishin of Roscosmos (center) and Takuya Onishi of the Japan Aerospace Exploration Agency (right) pose for pictures May 26 during a final qualification exam session. Rubins, Onishi and Ivanishin will launch June 24 on the Soyuz MS-01 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, ISS Expedition 48-49 prime crewmember Kate Rubins of NASA (left) shares a lighthearted moment June 24 with backup crewmember Peggy Whitson of NASA before departing for their launch site at the Baikonur Cosmodrome in Kazakhstan. Rubins, Anatoly Ivanishin of Roscosmos and Takuya Onishi of the Japan Aerospace Exploration Agency will launch July 7 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-01 spacecraft for a planned four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 48-49 backup crewmember Peggy Whitson of NASA flashes a smile in front of a Soyuz simulator May 26 during final qualification exams. Whitson, Thomas Pesquet of the European Space Agency and Oleg Novitskiy of Roscosmos are serving as the backups to prime crewmembers Kate Rubins of NASA, Takuya Onishi of the Japan Aerospace Exploration Agency and Anatoly Ivanishin of Roscosmos, who will launch June 24 on the Soyuz MS-01 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, ISS Expedition 48-49 backup crewmember Peggy Whitson of NASA (left) shares a lighthearted moment June 24 with legendary cosmonaut Alexey Leonov, the first human to walk in space, as Whitson and other crewmembers departed for their launch site at the Baikonur Cosmodrome in Kazakhstan. Prime crewmembers Kate Rubins of NASA, Anatoly Ivanishin of Roscosmos and Takuya Onishi of the Japan Aerospace Exploration Agency will launch July 7 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-01 spacecraft for a planned four-month mission on the International Space Station. NASA/Stephanie Stoll

ISS Expedition 48-49 crewmember Kate Rubins of NASA (left) flashes a smile June 24 at the Gagarin Cosmonaut Training Center in Star City, Russia before flying to her launch site at the Baikonur Cosmodrome in Kazakhstan for final pre-launch training. Looking on are crewmate Takuya Onishi of the Japan Aerospace Exploration Agency (right) and backup crewmember Peggy Whitson of NASA (background). Rubins, Anatoly Ivanishin of Roscosmos and Onishi will launch July 7 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-01 spacecraft for a planned four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 48-49 backup crewmembers Peggy Whitson of NASA (left), Oleg Novitskiy of Roscosmos (center) and Thomas Pesquet of the European Space Agency (right) field questions from reporters in front of a Soyuz simulator during Soyuz qualification exams May 26. They are serving as the backups to prime crewmembers Kate Rubins of NASA, Takuya Onishi of the Japan Aerospace Exploration Agency and Anatoly Ivanishin of Roscosmos, who will launch June 24 on the Soyuz MS-01 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 48-49 backup crewmember Peggy Whitson of NASA signs in for Soyuz qualification exams May 26. Whitson, Thomas Pesquet of the European Space Agency and Oleg Novitskiy of Roscosmos are serving as the backups to prime crewmembers Kate Rubins of NASA, Takuya Onishi of the Japan Aerospace Exploration Agency and Anatoly Ivanishin of Roscosmos, who will launch June 24 on the Soyuz MS-01 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 48-49 backup crewmembers Peggy Whitson of NASA (left), Oleg Novitskiy of Roscosmos (center) and Thomas Pesquet of the European Space Agency (right) arrive for Soyuz qualification exams May 26. They are serving as the backups to prime crewmembers Kate Rubins of NASA, Takuya Onishi of the Japan Aerospace Exploration Agency and Anatoly Ivanishin of Roscosmos, who will launch June 24 on the Soyuz MS-01 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 48-49 backup crewmember Thomas Pesquet of the European Space Agency signs in for Soyuz qualification exams May 26. Pesquet, Peggy Whitson of NASA and Oleg Novitskiy of Roscosmos are serving as the backups to prime crewmembers Kate Rubins of NASA, Takuya Onishi of the Japan Aerospace Exploration Agency and Anatoly Ivanishin of Roscosmos, who will launch June 24 on the Soyuz MS-01 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, ISS Expedition 48-49 prime crewmembers Takuya Onishi of the Japan Aerospace Exploration Agency (left), Kate Rubins of NASA (center) and Anatoly Ivanishin of Roscosmos (right) walk to their bus June 24 as they departed for their launch site at the Baikonur Cosmodrome in Kazakhstan. In the background on the left is backup crewmember Peggy Whitson of NASA and in the background center is backup crewmember Oleg Novitskiy of Roscosmos. Rubins, Ivanishin and Onishi will launch July 7 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-01 spacecraft for a planned four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, the ISS Expedition 48-49 prime and backup crewmembers pose for pictures in front of the statue of Vladimir Lenin June 24 as they departed for their launch site at the Baikonur Cosmodrome in Kazakhstan. From left to right are backup crewmembers Peggy Whitson of NASA, Oleg Novitskiy of Roscosmos and Thomas Pesquet of the European Space Agency and prime crewmembers Kate Rubins of NASA, Anatoly Ivanishin of Roscosmos and Takuya Onishi of the Japan Aerospace Exploration Agency. Rubins, Ivanishin and Onishi will launch July 7 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-01 spacecraft for a planned four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 48-49 backup crewmembers Peggy Whitson of NASA (left), Oleg Novitskiy of Roscosmos (center) and Thomas Pesquet of the European Space Agency (right) pose for pictures in front of a Soyuz simulator during Soyuz qualification exams May 26. They are serving as the backups to prime crewmembers Kate Rubins of NASA, Takuya Onishi of the Japan Aerospace Exploration Agency and Anatoly Ivanishin of Roscosmos, who will launch June 24 on the Soyuz MS-01 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, a wintry scene serves as a backdrop for a familiar sight – Lenin’s Statue --- commemorating Vladimir Lenin’s who led an evolving Soviet Union from 1917-1924. The photo was captured on Nov. 1, 2016. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, ISS Expedition 48-49 backup crewmember Thomas Pesquet of the European Space Agency (left) shares a moment with prime crewmember Takuya Onishi of the Japan Aerospace Exploration Agency June 24 before heading to their launch site at the Baikonur Cosmodrome in Kazakhstan. Prime crewmembers Kate Rubins of NASA, Anatoly Ivanishin of Roscosmos and Onishi will launch July 7 from the Baikonur Cosmodrome in Kazakhstan on the Soyuz MS-01 spacecraft for a planned four-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 35-36 Flight Engineer Chris Cassidy of NASA (right), and his backup, NASA’s Michael Hopkins tour the Gagarin Museum during a traditional tour March 7. Cassidy, Soyuz Commander Pavel Vinogradov and Flight Engineer Alexander Misurkin will launch to the International Space Station March 29, Kazakh time, on their Soyuz TMA-08M spacecraft from the Baikonur Cosmodrome in Kazakhstan. NASA / Stephanie Stoll

At the Russian Mission Control Center in Korolev, Russia, NASA Administrator Charles Bolden poses for pictures Nov. 20 as he awaited the docking of the Soyuz MS-03 spacecraft to the International Space Station. Aboard the Soyuz were Expedition 50-51 crewmembers Peggy Whitson of NASA, Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos) and Thomas Pesquet of the European Space Agency. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 35-36 backup crewmembers Oleg Kotov (left), Sergey Ryazanskiy (center) and Michael Hopkins of NASA (right) pose for pictures during a pre-launch news conference March 7. The three crewmembers are in training as backups to Chris Cassidy of NASA, Alexander Misurkin and Pavel Vinogradov who are scheduled to launch to the International Space Station March 29, Kazakh time, in the Soyuz TMA-08M spacecraft from the Baikonur Cosmodrome in Kazakhstan. NASA / Stephanie Stoll

With the famed Tsar Bell in the background, Expedition 35-36 Flight Engineer Chris Cassidy of NASA posed for pictures March 7 during a traditional tour of the Kremlin and Red Square in Moscow. Cassidy, Soyuz Commander Pavel Vinogradov and Flight Engineer Alexander Misurkin are preparing for launch to the International Space Station March 29, Kazakh time, in their Soyuz TMA-08M spacecraft from the Baikonur Cosmodrome in Kazakhstan. NASA / Stephanie Stoll

Expedition 36/37 Flight Engineer Luca Parmitano of the European Space Agency, a major in the Italian Air Force, salutes in tribute to Russian space icons interred in the Kremlin Wall during a tour of Red Square and the Kremlin in Moscow May 8. Parmitano, Flight Engineer Karen Nyberg of NASA and Soyuz Commander Fyodor Yurchikhin are preparing for their launch May 29, Kazakh time, in their Soyuz TMA-09M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-month mission on the International Space Station. NASA/Stephanie Stoll

1069: At the Kremlin Wall in Moscow’s Red Square, Expedition 40/41 Soyuz Commander Max Suraev of the Russian Federal Space Agency (Roscosmos) lays flowers May 8 at the spot where Yuri Gagarin, the first human to fly in space, is interred. Suraev, Alexander Gerst of the European Space Agency and Reid Wiseman of NASA are preparing for launch May 29, Kazakh time, in the Soyuz TMA-13M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a 5 ½ month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 32/33 Flight Engineer Aki Hoshide of the Japan Aerospace Exploration Agency (left), NASA Flight Engineer Sunita Williams (center) and Soyuz Commander Yuri Malenchenko answered questions during a pre-launch news conference June 22, 2012. The crew will travel to the Baikonur Cosmodrome in Kazakhstan July 2 for final preparations leading to their launch July 15 to the International Space Station in their Soyuz TMA-05M spacecraft. Credit: NASA/Stephanie Stoll

Expedition 37/38 Flight Engineer Michael Hopkins of NASA flashes an “all ok” sign Sept. 13 after boarding a bus at the Gagarin Cosmonaut Training Center in Star City with his crewmates for a ride to nearby airport and a flight to their launch site at the Baikonur Cosmodrome in Kazakhstan. Hopkins, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy will launch from Baikonur Sept. 26, Kazakh time, in the Soyuz TMA-10M spacecraft for a five and a half month mission on the International Space Station. NASA/Stephanie Stoll

With famed St. Basil’s Cathedral serving as a backdrop, Expedition 36/37 Flight Engineer Karen Nyberg of NASA (left), Soyuz Commander Fyodor Yurchikhin (center) and Flight Engineer Luca Parmitano of the European Space Agency (right) pose for pictures May 8 during a ceremonial tour of Red Square in Moscow. Nyberg, Yurchikhin and Parmitano are preparing for their launch May 29, Kazakh time, in their Soyuz TMA-09M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Museum located at the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 38/39 Flight Engineer Rick Mastracchio of NASA studies a model of a Soyuz spacecraft during a tour October 22, 2013. Mastracchio, Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency and Soyuz Commander Mikhail Tyurin will launch Nov. 7, Kazakh time from the Baikonur Cosmodrome in Kazakhstan on the Soyuz TMA-11M spacecraft for the start of a six-month mission on the International Space Station. NASA/Stephanie Stoll

On the front screen in the cavernous control room at the Russian Mission Control Center in Korolev, Russia, the Expedition 50 crewmembers receive congratulatory calls from friends and family Nov. 20 following the arrival of Peggy Whitson of NASA, Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos) and Thomas Pesquet of the European Space Agency at the International Space Station on the Soyuz MS-03 spacecraft. Hatches opened between the Soyuz and the station about two and a half hours after the Soyuz docked to the complex. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 50-51 crewmember Peggy Whitson of NASA flashes a smile before boarding a bus Nov. 1 to her and her crewmates to a plane to fly to their launch site in Baikonur, Kazakhstan. Whitson, Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos) and Thomas Pesquet of the European Space Agency will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Stephanie Stoll

Striking a pose in front of St. Basil’s Cathedral at Red Square in Moscow, Expedition 39/40 crewmembers Steve Swanson of NASA (left), Alexander Skvortsov of Roscosmos (center) and Oleg Artemyev of Roscosmos (right) took time from ceremonial activities March 6 for a photo opportunity. Swanson, Skvortsov and Artemyev are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan March 26, Kazakh time, in their Soyuz TMA-12M spacecraft for a six-month mission. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 35-36 prime crewmembers Chris Cassidy of NASA (left), Soyuz Commander Pavel Vinogradov (center) and Alexander Misurkin (right) answer questions from the news media March 4 before the start of qualification simulations in Soyuz and Russian segment trainers. The three crewmembers are preparing for their launch March 29 (Kazakh time) to the International Space Station in their Soyuz TMA-08M spacecraft from the Baikonur Cosmodrome in Kazakhstan. NASA / Stephanie Stoll

Taking time out from their ceremonial activities at the Kremlin in Moscow, Expedition 39/40 crewmembers Steve Swanson of NASA (left), Alexander Skvortsov of Roscosmos (center) and Oleg Artemyev of Roscosmos (right) pose for pictures by the Kremlin Wall March 6 where Russian space icons are interred. Swanson, Skvortsov and Artemyev are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan March 26, Kazakh time, in their Soyuz TMA-12M spacecraft for a six-month mission. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, the Expedition 37/38 prime crewmembers check in with Russian officials Sept. 3 prior to the start of a round of qualification exams for their launch to the International Space Station later this month. Flight Engineer Sergey Ryazanskiy (left), Soyuz Commander Oleg Kotov (center) and NASA Flight Engineer Michael Hopkins (right) are in the final weeks of training for their launch Sept. 26 from the Baikonur Cosmodrome in Kazakhstan in their Soyuz TMA-10M spacecraft. NASA/Stephanie Stoll

(25 April 2012) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, outside Moscow, Expedition 31 flight engineer Joe Acaba converses with backup crewmember and NASA astronaut Kevin Ford just after their press conference April 25. Acaba, along with Russian cosmonauts Gennady Padalka and Sergei Revin (not pictured), will launch on May 15 from the Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo credit: NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 50-51 crewmembers Peggy Whitson of NASA (left), Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos, center, holding his daughter) and Thomas Pesquet of the European Space Agency (right) walk to a bus Nov. 1 that will take them to their plane to fly to their launch site in Baikonur, Kazakhstan. The trio will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Stephanie Stoll

With St. Basil’s Cathedral serving as a backdrop, Expedition 36/37 Flight Engineer Karen Nyberg of NASA (left), Soyuz Commander Fyodor Yurchikhin (center) and Flight Engineer Luca Parmitano of the European Space Agency (right) pose for pictures during a traditional tour of Red Square in Moscow May 8. The three crewmembers are preparing for their launch May 29, Kazakh time, in their Soyuz TMA-09M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 33/34 prime crewmembers Flight Engineer Kevin Ford of NASA (left), Soyuz Commander Oleg Novitskiy (center) and Flight Engineer Evgeny Tarelkin (right) check in for the first of two days of final qualifications exams September 20, 2012 as they prepare for their launch October 23 in the Soyuz TMA-06M spacecraft from the Baikonur Cosmodrome in Kazakhstan. Stephanie Stoll/NASA

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 Soyuz Commander Oleg Kotov signs in for a round of qualification exams Sept. 4 as his crewmates, NASA Flight Engineer Michael Hopkins (left) and Sergey Ryazanskiy (partially hidden behind Kotov) look on. The trio is in final training for launch on Sept. 26, Kazakh time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz TMA-10M spacecraft for a 5 ½ month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 36/37 Soyuz Commander Fyodor Yurchikhin signs in for the start of final qualification training April 30 as his crewmates, NASA Flight Engineer Karen Nyberg (left) and Luca Parmitano of the European Space Agency (right), look on. The three crewmembers are training for their launch May 29, Kazakh time, in their Soyuz TMA-09M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a 5 ½ month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 33/34 prime crewmembers Flight Engineer Kevin Ford of NASA (left), Soyuz Commander Oleg Novitskiy (center) and Flight Engineer Evgeny Tarelkin (right) report for their second day of final qualification exams September 21, 2012. The exams will lead to their launch October 23 in the Soyuz TMA-06M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a five-month stay on the International Space Station. Photo Credit: Stephanie Stoll/NASA

JSC2010-E-132986 (17 Sept. 2010) --- Russian cosmonauts Oleg Skripochka (left), Expedition 25 flight engineer, and Alexander Kaleri (center), Soyuz commander, along with NASA astronaut Scott Kelly (right), flight engineer, pose for pictures in front of the Tsar Cannon at the Kremlin in Moscow Sept. 17, 2010 as part of the ceremonial activities leading to their launch Oct. 8 (Kazakhstan time) in the Soyuz TMA-01M spacecraft for a 5 ? month stay on the International Space Station. Photo credit: Stephanie Stoll/NASA

At the Gagarin Cosmonaut Training Center in Star City, Russia, the Expedition 50-51 crew poses for pictures Nov. 1 in front of Lenin’s Statue before departing for their launch site in Baikonur, Kazakhstan. From left to right are Peggy Whitson of NASA, Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos) and Thomas Pesquet of the European Space Agency. The trio will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 39/40 Flight Engineer Steve Swanson of NASA (left) signs in for qualification exams March 5 as his crewmates, Soyuz Commander Alexander Skvortsov of Roscosmos (center) and Oleg Artemyev of Roscosmos (right) look on. They are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Star City, Russia March 26, Kazakh time, on the Soyuz TMA-12M spacecraft for a six-month mission. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, 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) answer questions from reporters Nov. 1 before for their launch site in Baikonur, Kazakhstan. The trio will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Stephanie Stoll

Expedition 36/37 Flight Engineer Luca Parmitano of the European Space Agency takes a stroll through Red Square in Moscow in front of St. Basil’s Cathedral May 8 with his wife, Kathy Dillow, and their daughters. Parmitano, Soyuz Commander Fyodor Yurchikhin and Flight Engineer Karen Nyberg of NASA are preparing for their launch May 29, Kazakh time, in their Soyuz TMA-09M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-month mission on the International Space Station. NASA/Stephanie Stoll

Expedition 33/34 Soyuz Commander Oleg Novitskiy plants a flower at the Kremlin Wall in Moscow where Russian space icons are interred September 25, 2012 as he, Flight Engineer Evgeny Tarelkin (left) and NASA Flight Engineer Kevin Ford (hidden behind Tarelkin) participated in traditional ceremonies leading to their launch to the International Space Station October 23 in the Soyuz TMA-06M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a five-month mission. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 36/37 prime crewmembers Karen Nyberg of NASA (left), Soyuz Commander Fyodor Yurchikhin (center) and Luca Parmitano of the European Space Agency (right) check in May 6 for another round of qualification exams as they prepare for launch to the International Space Station. Nyberg, Yurchikhin and Parmitano are set to launch from the Baikonur Cosmodrome in Kazakhstan in their Soyuz TMA-09M spacecraft on May 29, Kazakh time, for a five-month mission. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 49 crewmember Shane Kimbrough of NASA departs his cottage Sept. 8 for a flight to the launch site at the Baikonur Cosmodrome in Kazakhstan, where he and cosmonauts Sergey Ryzhikov and Andrey Borisenko of Roscosmos will launch on Sept. 24, Kazakh time on the Soyuz MS-02 spacecraft for a five-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 39/40 Flight Engineer Steve Swanson of NASA (center) signs in for the start of qualification exams March 4 as his crewmates, Soyuz Commander Alexander Skvortsov of Roscosmos (left) and Flight Engineer Oleg Artemyev of Roscosmos (right) look on. The trio is preparing for launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on March 26, Kazakh time in their Soyuz TMA-12M spacecraft for a six-month mission. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 38/39 Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency (left), Soyuz Commander Mikhail Tyurin (center) and NASA Flight Engineer Rick Mastracchio (right) report for the start of their flight qualification exam simulations Oct. 15, 2013. The trio is scheduled to launch on Nov. 7, local time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz TMA-11M spacecraft for a six-month mission on the International Space Station. NASA/Stephanie Stoll

Expedition 27 backup crew members Anton Shklaperov, Anatoly Ivanishin and Daniel Burbank of NASA (far right), participate in a news conference held March 11, 2011 at the Gagarin Cosmonaut Training Center in Star City, Russia. The prime crew of Ron Garan, Andrey Borisenko and Alexander Samokutyaev will launch in the Soyuz TMA-21 spacecraft from the Baikonur Cosmodrome in Kazakhstan March 30 (Kazakhstan time) for a 5 ½ month stay on the International Space Station. Photo credit: NASA/Stephanie Stoll

With St. Basil’s Cathedral providing a scenic backdrop, Expedition 33/34 Flight Engineer Kevin Ford of NASA (left), Soyuz Commander Oleg Novitskiy (center) and Flight Engineer Evgeny Tarelkin (right) pose for pictures September 25, 2012 at the Kremlin Wall in Moscow as they participated in traditional ceremonies leading to their launch to the International Space Station October 23 in the Soyuz TMA-06M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a five-month mission. NASA/Stephanie Stoll

During a traditional tour of Red Square in Moscow March 7, Expedition 35-36 Soyuz Commander Pavel Vinogradov laid flowers at the Kremlin Wall where Russian space icons are interred. Vinogradov, NASA Flight Engineer Chris Cassidy and Flight Engineer Alexander Misurkin will launch to the International Space Station March 29, Kazakh time, in their Soyuz TMA-08M spacecraft from the Baikonur Cosmodrome in Kazakhstan. NASA / Stephanie Stoll

4108: At the Kremlin Wall in Red Square in Moscow, Expedition 42/43 crewmember Samantha Cristoforetti of the European Space Agency lays flowers Nov. 6 at the site where Russian space icons are interred. Cristoforetti, Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) and Terry Virts of NASA will launch Nov. 24, Kazakh time from the Baikonur Cosmodrome in Kazakhstan on their Soyuz TMA-15M spacecraft for a 5 ½ month mission on the International Space Station. NASA/Stephanie Stoll

At the Kremlin Wall at Red Square in Moscow where Russian space icons are interred, Expedition 32/33 Flight Engineer Aki Hoshide of the Japan Aerospace Exploration Agency laid flowers June 22, 2012 as part of the traditional ceremonies prior to launch July 15 to the International Space Station. Hoshide, along with NASA Flight Engineer Sunita Williams and Soyuz Commander Yuri Malenchenko will fly to the Baikonur Cosmodrome in Kazakhstan July 2 for final preparations for their launch in the Soyuz TMA-05M spacecraft. Credit: NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 36/37 Flight Engineer Karen Nyberg of NASA (left), Soyuz Commander Fyodor Yurchikhin (center) and Flight Engineer Luca Parmitano of the European Space Agency (right), clasp hands April 30 as they began final qualification training for their launch to the International Space Station. The three crewmembers will launch May 29, Kazakh time, in their Soyuz TMA-09M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a 5 ½ month mission on the international outpost. NASA/Stephanie Stoll

At the Kremlin Wall in Moscow, Expedition 39/40 Flight Engineer Steve Swanson of NASA lays flowers in a tribute to Russian space icons who are interred there as part of ceremonial activities. Swanson, Flight Engineer Oleg Artmeyev of Roscosmos and Soyuz Commander Alexander Skvortsov of Roscosmos are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan March 26, Kazakh time, in their Soyuz TMA-12M spacecraft for a six-month mission. NASA/Stephanie Stoll

Expedition 34/35 Flight Engineer Chris Hadfield of the Canadian Space Agency lays flowers at the Kremlin Wall in Moscow Nov. 29, 2012 where Yuri Gagarin, the first human in space and other Russian space heroes are interred. The tribute was part of ceremonial activities that will lead to the launch of Hadfield, Soyuz Commander Roman Romanenko and NASA Flight Engineer Tom Marshburn to the International Space Station Dec. 19 in the Soyuz TMA-07M spacecraft from the Baikonur Cosmodrome in Kazakhstan. NASA/Stephanie Stoll

At the Gagarin Museum at the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 35-36 Flight Engineer Chris Cassidy of NASA (right) signs a ceremonial book March 7 during traditional pre-launch activities as his crewmate, Soyuz Commander Pavel Vinogradov (left) looks on. Cassidy, Vinogradov and Flight Engineer Alexander Misurkin will launch to the International Space Station March 29, Kazakh time, in their Soyuz TMA-08M spacecraft from the Baikonur Cosomodrome in Kazakhstan. NASA / Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 49 crewmember Sergey Ryzhikov leads a crowd of people to a waiting bus Sept. 8 that took him, Shane Kimbrough of NASA and Andrey Borisenko of Roscosmos to nearby Chkalovsky Airfield and a flight to the launch site at the Baikonur Cosmodrome in Kazakhstan, where they will launch on Sept. 24, Kazakh time on the Soyuz MS-02 spacecraft for a five-month mission on the International Space Station. NASA/Stephanie Stoll

Expedition 36/37 Flight Engineer Karen Nyberg of NASA shares a quiet moment with her son during a tour of the Kremlin and Red Square in Moscow May 8. Nyberg, Soyuz Commander Fyodor Yurchikhin and European Space Agency Flight Engineer Luca Parmitano of the European Space Agency are preparing for their launch May 29, Kazakh time, in their Soyuz TMA-09M spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-month mission on the International Space Station. NASA/Stephanie Stoll

On the front screen in the cavernous control room at the Russian Mission Control Center in Korolev, Russia, the Expedition 50 crewmembers receive congratulatory calls from friends and family Nov. 20 following the arrival of Peggy Whitson of NASA, Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos) and Thomas Pesquet of the European Space Agency at the International Space Station on the Soyuz MS-03 spacecraft. Hatches opened between the Soyuz and the station about two and a half hours after the Soyuz docked to the complex. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 49 crewmembers Sergey Ryzhikov of Roscosmos (left), Shane Kimbrough of NASA (center) and Andrey Borisenko of Roscosmos (right) arrive for a breakfast ceremony Sept. 8 before departing for a flight to the launch site at the Baikonur Cosmodrome in Kazakhstan, where they will launch on Sept. 24, Kazakh time on the Soyuz MS-02 spacecraft for a five-month mission on the International Space Station. NASA/Stephanie Stoll

With a few snow flurries falling on an otherwise sunny day, Expedition 35-36 Flight Engineer Chris Cassidy of NASA walked through the grounds of the Kremlin in Moscow March 7 during a traditional tour of the Kremlin and Red Square. Cassidy, Soyuz Commander Pavel Vinogradov and Flight Engineer Alexander Misurkin are preparing for launch to the International Space Station March 29, Kazakh time, in their Soyuz TMA-08M spacecraft from the Baikonur Cosmodrome in Kazakhstan. NASA / Stephanie Stoll

3779a: At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 42/43 prime crewmembers Terry Virts of NASA (left), Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos, center) and Samantha Cristoforetti of the European Space Agency (right) pose for pictures following a news conference Nov. 6. Virts, Cristoforetti and Shkaplerov will launch Nov. 24, Kazakh time from the Baikonur Cosmodrome in Kazakhstan on their Soyuz TMA-15M spacecraft for a 5 ½ month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 39/40 Flight Engineer Oleg Artemyev of Roscosmos (left), Soyuz Commander Alexander Skvortsov (center) and NASA Flight Engineer Steve Swanson (right) wave to reporters March 4 at the start of two days of qualification exams. The trio is preparing for launch to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on March 26, Kazakh time in their Soyuz TMA-12M spacecraft for a six-month mission. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 32/33 Flight Engineer Aki Hoshide of the Japan Aerospace Exploration Agency (left), NASA Flight Engineer Sunita Williams (center) and Soyuz Commander Yuri Malenchenko grasped hands at the completion of a pre-launch news conference June 22, 2012. The crew will travel to the Baikonur Cosmodrome in Kazakhstan July 2 for final preparations leading to their launch July 15 to the International Space Station in their Soyuz TMA-05M spacecraft. Credit: NASA/Stephanie Stoll

(25 April 2012) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, outside Moscow, Expedition 31 Soyuz commander Gennady Padalka signs a traditional cosmonauts' log at the site's Yuri Gagarin museum. Padalka, along with NASA astronaut Joe Acaba, and cosmonaut Sergei Revin (not pictured) are preparing for the launch May 15 that will take them to the International Space Station on the Soyuz TMA-04M spacecraft from the Baikonur Cosmodrome in Kazakhstan. Photo credit: NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 35-36 Flight Engineer Chris Cassidy of NASA listens to a question from a reporter during a pre-launch news conference March 7. Cassidy, Soyuz Commander Pavel Vinogradov and Alexander Misurkin are in the final stages of training for their launch to the International Space Station March 29, Kazakh time, in their Soyuz TMA-08M spacecraft from the Baikonur Cosmodrome in Kazakhstan. NASA / Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 35-36 prime crewmembers Chris Cassidy of NASA (left), Soyuz Commander Pavel Vinogradov (center) and Alexander Misurkin (right) wave to the news media March 4 before the start of qualification simulations in Soyuz and Russian segment trainers. The three crewmembers are preparing for their launch March 29 (Kazakh time) to the International Space Station in their Soyuz TMA-08M spacecraft from the Baikonur Cosmodrome in Kazakhstan. NASA / Stephanie Stoll

Expedition 50-51 crewmember Oleg Novitskiy of the Russian Federal Space Agency (Roscosmos) poses for a picture Nov. 1 with his daughter at the Gagarin Cosmonaut Training Center in Star City, Russia before departing for his launch site in Baikonur, Kazakhstan. Looking on is crewmember Peggy Whitson of NASA. Novitskiy, Whitson and Thomas Pesquet of the European Space Agency will launch Nov. 18, Baikonur time, on the Soyuz MS-03 spacecraft for a six-month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 37/38 Flight Engineer Michael Hopkins of NASA (left), Soyuz Commander Oleg Kotov (center) and Sergey Ryazanskiy (right) meet with Russian and U.S. officials at the start of a round of qualification exams Sept. 4. The trio is in final training for launch on Sept. 26, Kazakh time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz TMA-10M spacecraft for a 5 ½ month mission on the International Space Station. NASA/Stephanie Stoll

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 39/40 Flight Engineer Steve Swanson of NASA (left), Soyuz Commander Alexander Skvortsov of Roscosmos (center) and Oleg Artemyev of Roscosmos (right) field questions from reporters March 5 prior to qualification exams. They are preparing for their launch to the International Space Station from the Baikonur Cosmodrome in Star City, Russia March 26, Kazakh time, on the Soyuz TMA-12M spacecraft for a six-month mission. NASA/Stephanie Stoll

JSC2011-E-025836 (11 March 2011) --- NASA astronaut Ron Garan, Expedition 27 flight engineer, participates in a news conference held March 11, 2011 at the Gagarin Cosmonaut Training Center in Star City, Russia. Garan, Andrey Borisenko and Alexander Samokutyaev (out of frame) will launch in the Soyuz TMA-21 spacecraft from the Baikonur Cosmodrome in Kazakhstan March 30 (Kazakhstan time) for a 5 ? month stay on the International Space Station. Photo credit: NASA/Stephanie Stoll