Expedition 29 Russian Flight Engineer Anatoly Ivanishin answers a reporter’s question during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan on Saturday, Nov. 12, 2011. The launch of the Soyuz spacecraft with Ivanishin, Soyuz Commander Anton Shkaplerov and NASA Flight Engineer Dan Burbank is scheduled for November 14. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-03M spacecraft is seen shortly after arriving at the launch pad Monday, Dec. 19, 2011 at the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

Satoshi Furukawa, Expedition 26 back up crew member, is seen at the State Commission meeting held at the Cosmonaut Hotel in Baikonur, Kazakhstan on Tuesday, Dec. 14, 2010. Photo Credit: (NASA/Carla Cioffi)

NASA, space science industry and government officials are seen in front of a full-size model of NASA's James Webb Space Telescope at the Maryland Science Center in Baltimore, Wednesday, Oct. 26, 2011. From left, back row are: Dr. John Grunsfeld, former astronaut and Deputy Director, Space Telescope Science Institute (STScI), Baltimore; Jeffrey Grant, VP and General Manager of the Space Systems Division, Northrop Grumman; Van Reiner, President and CEO of the Maryland Science Center, Baltimore and Adam Reiss, recipient of the 2011 Nobel Prize in Physics and professor of astronomy and physics at Johns Hopkins University. In the front row are NASA Deputy Administrator Lori Garver, left, and U.S. Senator Barbara Mikulski (D-Md.). Photo Credit: (NASA/Carla Cioffi)

Dawn Sumner, geologist, University of California, Davis speaks at a Mars Science Laboratory (MSL) press conference at the Smithsonian's National Air and Space Museum on Friday, July 22, 2011 in Washington. The Mars Science Laboratory (MSL), or Curiosity, is scheduled to launch late this year from NASA's Kennedy Space Center in Florida and land in August 2012. Curiosity is twice as long and more than five times as heavy as previous Mars rovers. The rover will study whether the landing region at Gale crater had favorable environmental conditions for supporting microbial life and for preserving clues about whether life ever existed. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-22 spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome, Kazakhstan, Friday, Nov. 11, 2011. The launch of the Soyuz spacecraft with Expedition 29 Soyuz Commander Anton Shkaplerov of Russia, NASA Flight Engineer Dan Burbank and Russian Flight Engineer Anatoly Ivanishin is scheduled for 10:14 a.m. local time on Monday, Nov. 14, 2011. Photo Credit (NASA/Carla Cioffi)

Expedition 30 flight engineer and Russian cosmonaut Anatoly Ivanishin is seen smiling as he is extracted from the Soyuz TMA-22 spacecraft shortly after the capsule landed with Expedition 30 Commander Dan Burbank and flight engineer Anton Shkaplerov in a remote area outside of the town of Arkalyk, Kazakhstan on Friday, April 27, 2012. Ivanishin, Burbank and Shkaplerov are returning from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

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 28 NASA Flight Engineer Mike Fossum stands during the State Commission meeting to approve the Soyuz launch of Expedition 28 to the International Space Station, Monday, June 6, 2011, at the Cosmonaut Hotel in Baikonur, Kazakhstan. The mission is set to launch on Tuesday, June 8, from the Baikonur Cosmodrome. Photo Credit: (NASA/Carla Cioffi)

Expedition 31 backup crew members Kevin Ford, Oleg Novitskiy and Evgeny Tarelkin stand at attention before senior officials for their final qualification test in preparation for flight, Monday, April 23, 2012 at the Gagarin Cosmonaut Training Center in Star City, Russia. Expedition 31 prime crew members commander Gennady Padalka, flight engineers Joe Acaba and Sergei Revin practiced similar scenarios nearby in advance of their final approval for launch to the International Space Station, scheduled for May 15, 2012. Photo Credit: (NASA/Carla Cioffi)

Quarantined Expedition 32 Flight Engineer Sunita Williams, right, answers reporters questions from behind glass during a prelaunch press conference held at the Cosmonaut Hotel on Friday, July 13, 2012 in Baikonur, Kazakhstan. Seated next to her is Soyuz Commander Yuri Malenchenko. The launch of the Soyuz spacecraft with Williams, Malenchenko, and JAXA Flight Engineer Akihiko Hoshide is scheduled for 8:40 a.m. local time on Sunday, July 15. Photo Credit (NASA/Carla Cioffi)

Marshall Porterfield, Life and Physical Sciences Division Director at NASA Headquarters, talks about the human body in microgravity and other life sciences at a NASA Social exploring science on the ISS at NASA Headquarters, Wednesday, Feb. 20, 2013 in Washington. In the foreground is pictured Veggie, a container used for growing plants on the ISS. Photo Credit: (NASA/Carla Cioffi)

Expedition 32 JAXA Flight Engineer Akihiko Hoshide continues the tradition of signing one of the doors at the Cosmonaut Hotel on Sunday, July 15, 2012 in Baikonur, Kazakhstan. The Soyuz spacecraft with Hoshide, Soyuz Commander Yuri Malenchenko and NASA Flight Engineer Sunita Williams aboard launched at 8:40 a.m. Kazakhstan time. Photo Credit (NASA/Carla Cioffi)

Expedition 27 Flight Engineer Ron Garan performs the traditional door signing Monday, April 4, 2011 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Garan was launched onboard the Soyuz rocket the following morning with Expedition 27 Soyuz Commander Alexander Samokutyaev and Flight Engineer Andrey Borisenko on a mission to the International Space Station (ISS). Photo Credit: (NASA/Carla Cioffi)

NASA Social participants listen as astronaut Joe Acaba answers questions about his time living aboard the International Space Station at NASA Headquarters, Tuesday, Dec. 4, 2012 in Washington. Acaba launched to the International Space Station on a Russian Soyuz spacecraft May 15, 2012, spending 123 days aboard as a flight engineer of the Expedition 31 and 32 crews. He recently returned to Earth on Sept. 17 after four months in low earth orbit. Photo Credit: (NASA/Carla Cioffi)

U.S. Senator Barbara Mikulski (D-Md.), third from right, cuts the yellow ribbon presenting the James Webb Space Telescope permanent exhibit at the Maryland Science Center on Wednesday, Oct. 26, 2011 in Baltimore. Mikulski is joined by NASA Deputy Administrator Lori Garver, far left; Adam Reiss, recipient of the 2011 Nobel Prize in Physics and professor of astronomy and physics at Johns Hopkins University; Jeffrey Grant, VP and General Manager of the Space Systems Division, Northrop Grumman; Van Reiner, President and CEO of the Maryland Science Center, Baltimore and Dr. John Grunsfeld, former astronaut and Deputy Director, Space Telescope Science Institute (STScI), Baltimore. The Webb telescope will provide images of the first galaxies ever formed and explore planets around distant stars. Photo Credit: (NASA/Carla Cioffi)

Suzanne Dodd, Voyager project manager, NASA's Jet Propulsion Lab (JPL) holds a replica of the golden record carried on Voyager at a news conference on NASA's Voyager 1 spacecraft, Thursday, Sept. 12, 2013 at NASA Headquarters in Washington. The Golden Record was intended to communicate a story of our world to extraterrestrials. NASA's Voyager 1 spacecraft officially is the first human-made object to venture into interstellar space. The 36-year-old probe is about 12 billion miles (19 billion kilometers) from our sun. New and unexpected data indicate Voyager 1 has been traveling for about one year through plasma, or ionized gas, present in the space between stars. A report on the analysis of this new data is published in Thursday's edition of the journal Science. Photo Credit: (NASA/Carla Cioffi)

Former first daughter Chelsea Clinton kicks off the National Day of Service on the National Mall, Saturday, January 19, 2013, in Washington. She urged Americans to get involved in service projects in their communities. Clinton will serve as honorary chair of the 2013 National Day of Service. Photo Credit: (NASA/Carla Cioffi)

The Soyuz rocket is rolled out to the launch pad by train on Monday, December 17, 2012, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for December 19 and will send Expedition 34/35 Flight Engineer Tom Marshburn of NASA, Soyuz Commander Roman Romanenko and Expedition 35 Commander Chris Hadfield of the Canadian Space Agency (CSA) on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Michael Watkins (third from left), mission manager and project engineer, Mars Science Laboratory (MSL), Jet Propulsion Lab, Pasadena, Calif., speaks at a press conference at the Smithsonian's National Air and Space Museum on Friday, July 22, 2011 in Washington. From left to right, Watkins is joined by Dwayne Brown, NASA Headquarters public affairs officer; Michael Meyer, lead scientist Mars Exploration Program, NASA Headquarters; Watkins; John Grant, geologist, Smithsonian National Air and Space Museum in Washington; Dawn Sumner, geologist, University of California, Davis and John Grotzinger, MSL project scientist, JPL. Photo Credit: (NASA/Carla Cioffi)

On the panel from right: Leesa Hubbard, teacher in residence, Sally Ride Science, San Diego; David Lehman, GRAIL project manager, NASA's Jet Propulsion Laboratory, Pasadena, Calif.; Maria Zuber, GRAIL principal investigator, Massachusetts Institute of Technology, Cambridge and Jim Green, director, Planetary Science Division, NASA Headquarters, Washington are seen at a press briefing to discuss the upcoming launch to the moon of the Gravity Recovery and Interior Laboratory (GRAIL) mission, Thursday, Aug. 25, 2011 in Washington. Photo Credit: (NASA/Carla Cioffi)

JAXA (Japanese Aerospace Exploration Agency) astronaut and Expedition 28 Flight Engineer Satoshi Furukawa, right, waves to friends and family, while Soyuz Commander Sergei Volkov looks on at the Baikonur Cosmodrome in Kazakhstan, Tuesday, June 7, 2011. The crew of Expedition 28 will launch onboard their Soyuz TMA-02M on the morning of June 8 to the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 35 Soyuz Commander Pavel Vinogradov is seen talking to family members after donning his Russian Sokol suit in preparation for his launch aboard the Soyuz rocket, Thursday, March 28, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send Vinogradov, Flight Engineer Chris Cassidy and Russian Flight Engineer Alexander Misurkin on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Al Feinberg from NASA Television, center, interviews a guest at the NASA Tweetup event held at NASA Headquarters, September 24, 2009 in Washington. Nearly 200 of NASA’s Twitter followers are in attendance, which features a presentation and a question and answer session with the crew of the STS-127 shuttle mission to install new hardware and expand the Japanese Kibo laboratory on the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Carl Wieman, Associate Director, Office of Science and Technology Policy, The White House, speaks at the Symposium on Supporting Underrepresented Minority Males in Science, Technology, Engineering and Mathematics (STEM), Tuesday, February 28, 2012 at NASA Headquarters in Washington. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-20 spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome, Monday, Dec. 13, 2010, in Kazakhstan. The launch of the Soyuz spacecraft with Expedition 26 Soyuz Commander Dmitry Kondratyev, NASA Flight Engineer Catherine Coleman, and Italian astronaut Paolo Nespoli is scheduled for Thursday, Dec., 16, 2010 at 1:09 a.m. local time. Photo Credit (NASA/Carla Cioffi)

Expedition 37/38 Russian Flight Engineer Sergey Ryazanskiy has his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-10M spacecraft to the International Space Station with fellow crewmates NASA Flight Engineer Michael Hopkins and Soyuz Commander Oleg Kotov, on Wednesday, Sept. 25, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send the Expedition 37/38 crewmates on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Leland Melvin (on stage), NASA Associate Administrator for Education and former astronaut, addresses an assembly at Eliot Hine Middle School in celebration of Black History Month on Friday, March 1, 2013 in Washington. Melvin spoke about his journey to become a NASA astronaut stressing education as key. Photo Credit: (NASA/Carla Cioffi)

Support personnel and film crews are seen working around the space shuttle Endeavour as it traverses through Inglewood, Calif. on Friday, Oct. 12, 2012. Endeavour, built as a replacement for space shuttle Challenger, completed 25 missions, spent 299 days in orbit, and orbited Earth 4,671 times while traveling 122,883,151 miles. Beginning Oct. 30, the shuttle will be on display in the CSC's Samuel Oschin Space Shuttle Endeavour Display Pavilion, embarking on its new mission to commemorate past achievements in space and educate and inspire future generations of explorers. Photo Credit: (NASA/Carla Cioffi)

Marcia Smith, President, spacepolicyonline.com, participates in a panel discussion at the Women, Innovation and Aerospace event celebrating Women's History Month at the George Washington University Jack Morton Auditorium, Thursday, March 8, 2012 in Washington. The WIA day-long event will help to foster a discussion for students and early career professionals about how to continue to encourage women to enter and succeed in the field of aerospace. Photo Credit: (NASA/Carla Cioffi)

NASA Astronaut and STS-125 Mission Specialist John Grunsfeld answers a question during a presentation with fellow STS-125 shuttle mission crew members at the NASA Tweetup event held at NASA Headquarters, July 21, 2009 in Washington. Nearly 200 of NASA’s Twitter followers are in attendance. Photo Credit: (Carla Cioffi)

Expedition 37/38 NASA Engineer Michael Hopkins is seen speaking to his family after having his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-10M spacecraft to the International Space Station, on Wednesday, Sept. 25, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send the Expedition 37/38 crewmates on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-07M spacecraft is seen as it lands with Expedition 35 Commander Chris Hadfield of the Canadian Space Agency (CSA), NASA Flight Engineer Tom Marshburn and Russian Flight Engineer Roman Romanenko of the Russian Federal Space Agency (Roscosmos) in a remote area near the town of Zhezkazgan, Kazakhstan, on Tuesday, May 14, 2013. Hadfield, Marshburn and Romanenko returned from five months onboard the International Space Station where they served as members of the Expedition 34 and 35 crews. Photo Credit: (NASA/Carla Cioffi)

Russia security forces and their dog walk along the train track to the Soyuz launch pad, Tuesday, March 26, 2013 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 29 and will send Expedition 35 Soyuz Commander Pavel Vinogradov, and Flight Engineers Chris Cassidy of NASA and Alexander Misurkin of Russia on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-07M spacecraft is seen as it lands with Expedition 35 Commander Chris Hadfield of the Canadian Space Agency (CSA), NASA Flight Engineer Tom Marshburn and Russian Flight Engineer Roman Romanenko of the Russian Federal Space Agency (Roscosmos) in a remote area near the town of Zhezkazgan, Kazakhstan, on Tuesday, May 14, 2013. Hadfield, Marshburn and Romanenko returned from five months onboard the International Space Station where they served as members of the Expedition 34 and 35 crews. 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)

The Soyuz rocket is rolled out to the launch pad by train on Monday, Sept. 23, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for September 26 and will send Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergei Ryazansky on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

NASA Deputy Administrator, Lori Garver, far right, gives the keynote address at the Women, Innovation and Aerospace event celebrating Women's History Month at the George Washington University Jack Morton Auditorium, Thursday, March 8, 2012 in Washington. The WIA day-long event will help to foster a discussion for students and early career professionals about how to continue to encourage women to enter and succeed in the field of aerospace. Photo Credit: (NASA/Carla Cioffi)

Kathy Sullivan, NOAA (National Oceanic and Atmospheric Administration) Deputy Administrator and former NASA astronaut, participates in a panel discussion at the Women, Innovation and Aerospace event celebrating Women's History Month at the George Washington University Jack Morton Auditorium, Thursday, March 8, 2012 in Washington. The WIA day-long event will help to foster a discussion for students and early career professionals about how to continue to encourage women to enter and succeed in the field of aerospace. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-22 spacecraft is lifted on to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Friday, Nov. 11, 2011. The rocket is being prepared for launch November 14 to carry the crew of Expedition 29 to the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 34/35 prime crew members from left: Flight Engineer Tom Marshburn of NASA, Soyuz Commander Roman Romanenko, Flight Engineer Chris Hadfield of the Canadian Space Agency (CSA), and backup crew members NASA astronaut Karen Nyber, Russian cosmonaut Fyodor Yurchikin, and European Space Agency astronaut Luca Parmitano pose for a group photograph after the end of a press conference held at the Cosmonaut Hotel, on Tuesday, December 18, 2012, in Baikonur, Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

Expedition 34 NASA Flight Engineer Chris Hadfield of the Canadian Space Agency (CSA), top, NASA Flight Engineer Tom Marshburn and Soyuz Commander Roman Romanenko wave farewell from the bottom of the Soyuz rocket at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Wednesday, Dec. 19, 2012. Their Soyuz TMA-07M rocket launched at 6:12 p.m. local time. Photo Credit: (NASA/Carla Cioffi)

The sun rises behind the Soyuz launch pad shortly before the Soyuz TMA-18 spacecraft is rolled out by the train to the launch pad at the Baikonur Cosmodrome, Kazakhstan, Wednesday, March, 321, 2010. The launch of the Soyuz spacecraft with Expedition 23 Soyuz Commander Alexander Skvortsov of Russia, Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson is scheduled for Friday, April 2, 2010 at 10:04 a.m. Kazakhstan time. Photo Credit: (NASA/Carla Cioffi)

Special Assitant for STEM Education, U. S. Department of Education, Michael Lach, far right, addresses guests at the NASA Education Stakeholders’ Summit One Stop Shopping Initiative (OSSI), Monday, Sep. 13, 2010, at the Westfields Marriott Conference Center in Chantilly, VA. Seated from right are James Stofan, NASA Acting Associate Administrator for Education; Charles Bolden, NASA Administrator; and Cora B. Marrett, Acting Director, National Science Foundation. (Photo Credit: NASA/Carla Cioffi)

NASA Social attendees pose for a group photograph following a NASA Social exploring science on the ISS at NASA Headquarters, Wednesday, Feb. 20, 2013 in Washington. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-19 spacecraft is rolled out by train to the launch pad at the Baikonur Cosmodrome, Kazakhstan, Sunday, June 13, 2010. The launch of the Soyuz spacecraft with Expedition 24 NASA Flight Engineers Shannon Walker and Doug Wheelock, and Russian Soyuz Commander Fyodor Yurchikhin is scheduled for Wednesday, June 16, 2010 at 3:35 a.m. Kazakhstan time. Photo Credit (NASA/Carla Cioffi)

NASA astronaut Joe Acaba speaks at a behind-the-scenes NASA Social at NASA Headquarters on Tuesday, Dec. 4, 2012 in Washington. Acaba launched to the International Space Station on a Russian Soyuz spacecraft May 15, 2012, spending 123 days aboard as a flight engineer of the Expedition 31 and 32 crews. He recently returned to Earth on Sept. 17 after four months in low earth orbit. Photo Credit: (NASA/Carla Cioffi)

Expedition 25 Flight Engineer Oleg Skripochka has his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. (Photo Credit: NASA/Carla Cioffi)

Expedition 25 Soyuz Commander Alexander Kaleri has his Russian Sokol Suit pressure checked at the Baikonur Cosmodrome in Kazakhstan on Friday, Oct. 8, 2010. (Photo Credit: NASA/Carla Cioffi)

Betsy Pugel, far left, a physicist from NASA’s Goddard Space Flight Center in Greenbelt, Md., talks with students about the space suit glove they are trying on, Tuesday, Feb. 8, 2011 at Ferebee-Hope Elementary School in Washington, DC. Ferebee-Hope Elementary School, in collaboration with Reading is Fundamental (RIF), hosted this event in honor of Black History Month, and to highlight the importance of reading. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-02M spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome, Kazakhstan, Sunday, June 5, 2011. The launch of the Soyuz spacecraft with Expedition 28 Soyuz Commander Sergei Volkov of Russia, NASA Flight Engineer Mike Fossum and JAXA (Japan Aerospace Exploration Agency) Flight Engineer Satoshi Furukawa is scheduled for 2:15 a.m. local time on Wednesday, June 8, 2011. Photo Credit (NASA/Carla Cioffi)

The upper stage of the Soyuz TMA-02M rocket, in which the crew capsule is located, is pictured here as it arrives at the launch pad on Sunday, June 5, 2011 at the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-18 spacecraft is rolled out by train to the launch pad at the Baikonur Cosmodrome, Kazakhstan, Wednesday, March, 31, 2010. The launch of the Soyuz spacecraft with Expedition 23 Soyuz Commander Alexander Skvortsov of Russia, Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson is scheduled for Friday, April 2, 2010 at 10:04 a.m. Kazakhstan time. Photo Credit: (NASA/Carla Cioffi)

Expedition 35 NASA Flight Engineer Tom Marshburn is helped off a Russian Search and Rescue helicopter at Karaganda Airport in Kazakhstan following his landing in the Soyuz TMA-07M spacecraft in a remote area near the town of Zhezkazgan, Kazakhstan, Tuesday, May 14, 2013. Marshburn, Expedition 35 Commander Chris Hadfield of the Canadian Space Agency (CSA) and Russian Flight Engineer Roman Romanenko of the Russian Federal Space Agency (Roscosmos) returned to earth from more than five months onboard the International Space Station where they served as members of the Expedition 34 and 35 crews. Photo Credit: (NASA/Carla Cioffi)

The Orion space capsule is seen as it rolls down Pennsylvania Avenue during the inaugural parade honoring President Barack Obama, Monday Jan. 21, 2013, in Washington. Obama was sworn-in as the nation's 44th President earlier in the day. Photo Credit: (NASA/Carla Cioffi)

Expedition 37 Russian Flight Engineer Sergey Ryazanskiy, top, NASA Flight Engineer Michael Hopkins, Soyuz Commander Oleg Kotov, bottom, wave farewell from the base of the Soyuz rocket at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Thursday, Sept. 26, 2013. Their Soyuz TMA-10M rocket launched at 2:58 a.m. local time. Photo Credit: (NASA/Carla Cioffi)

The Soyuz rocket is erected into position after being rolled out to the launch pad by train on Monday, Sept. 23, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for September 26 and will send Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergei Ryazansky on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

The Soyuz rocket is erected into position after being rolled out to the launch pad by train on Tuesday, March 26, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 29 and will send Expedition 35 Soyuz Commander Pavel Vinogradov, and Flight Engineers Chris Cassidy of NASA and Alexander Misurkin of Russia on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) observatory launches aboard the Minotaur V rocket from the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility, Friday, Sept. 6, 2013 in Virginia. LADEE is a robotic mission that will orbit the moon where it will provide unprecedented information about the environment around the moon and give scientists a better understanding of other planetary bodies in our solar system and beyond. Photo Credit: (NASA/Carla Cioffi)

The flags representing Kazakhstan, the United States and Russia are shown at the launch pad at the Baikonur Cosmodrome in Kazakhstan on Monday, Sept. 23, 2013. Scheduled to launch on September 26 local time are Expedition 37/38 Soyuz Commander Oleg Kotov of Russia, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergei Ryazansky on a five and a half-month mission aboard the International Space Station.Photo Credit (NASA/Carla Cioffi)

Expedition 31 backup crew member Oleg Novitskiy, foreground, and Kevin Ford head towards a Soyuz spacecraft mockup to conduct final simulation tests in preparation for flight, Monday, April 23, 2012 at the Gagarin Cosmonaut Training Center in Star City, Russia. Photo Credit: (NASA/Carla Cioffi)

The Soyuz rocket is seen on its launch hours before its scheduled launch to the International Space Station, Wednesday, Sept. 25, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for September 26 and will send Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergei Ryazansky on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-03M spacecraft is seen at the launch pad after being raised into vertical position on Monday, Dec. 19, 2011 at the Baikonur Cosmodrome in Kazakhstan. The launch of the Soyuz spacecraft with Expedition 30 Soyuz Commander Oleg Kononenko of Russia, NASA Flight Engineer Don Pettit and ESA (European Space Agency) astronaut and Flight Engineer Andre Kuipers is scheduled for Wednesday, Dec. 21, 2011. Photo Credit: (NASA/Carla Cioffi)

Daniel Caruso, SAC-D Project Manager, CONAE, Argentina, speaks at a press conference on NASA's Aquarius/SAC-D mission to study the salinity of Earth's oceans from space on Tuesday, May 17, 2011 at NASA Headquarters in Washington. The mission is a collaboration between NASA and Argentina's space agency Comision Nacional de Actividades Especiales (CONAE), with participation from Brazil, Canada, France and Italy. The Aquarius/SAC-D observatory will launch June 9, 2011 from Vandenberg Air Force Base in California. Photo Credit: (NASA/Carla Cioffi)

Dwayne Brown, Senior Public Affairs Officer, NASA Science Mission Directorate at NASA Headquarters, kicks off a news conference on NASA's Voyager 1 spacecraft, Thursday, Sept. 12, 2013 in Washington. NASA's Voyager 1 spacecraft officially is the first human-made object to venture into interstellar space. The 36-year-old probe is about 12 billion miles (19 billion kilometers) from our sun. New and unexpected data indicate Voyager 1 has been traveling for about one year through plasma, or ionized gas, present in the space between stars. A report on the analysis of this new data is published in Thursday's edition of the journal Science. Photo Credit: (NASA/Carla Cioffi)

Kuniaki Shiraki, President of the Japan Aerospace Exploration Agency (JAXA) speaks during the State Commission meeting to approve the Soyuz launch of Expedition 28 to the International Space Station, Monday, June 6, 2011, at the Cosmonaut Hotel in Baikonur, Kazakhstan. The mission is set to launch on Tuesday, June 8, from the Baikonur Cosmodrome. Photo Credit: (NASA/Carla Cioffi)

Expedition 31 backup crew members Kevin Ford (left), Oleg Novitskiy and Evgeny Tarelkin (right) are interviewed by the press before their final qualification test in preparation for flight, Monday, April 23, 2012 at the Gagarin Cosmonaut Training Center in Star City, Russia. Expedition 31 prime crew members commander Gennady Padalka, flight engineers Joe Acaba and Sergei Revin practiced similar scenarios nearby in advance of their final approval for launch to the International Space Station, scheduled for May 15, 2012. Photo Credit: (NASA/Carla Cioffi)

Participants at a news conference discussing findings of the analysis of a rock sample from Mars are seen, Tuesday, March 12, 2013 at NASA Headquarters in Washington. From left to right are seen: Michael Meyer, lead scientist, Mars Exploration Program at NASA Headquarters; John Grotzinger, Curiosity project scientist, California Institute of Technology in Pasadena; David Blake, principal investigator for Curiosity's Chemistry and Mineralogy investigation at NASA's Ames Research Center in Calif.; and Paul Mahaffy, principal investigator for Curiosity's Sample Analysis at Mars (SAM) investigation at NASA's Goddard Space Flight Center in Maryland. Photo Credit: (NASA/Carla Cioffi)

An Orthodox priest blesses the Soyuz rocket at the Baikonur Cosmodrome launch pad on Wednesday, March 27, 2013 in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 29 and will send Expedition 35 Soyuz Commander Pavel Vinogradov, and Flight Engineers Chris Cassidy of NASA and Alexander Misurkin of Russia on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

NASA STS-130 crew Commander George Zamka, far left, Pilot Terry Virts, Mission Specialists Kathryn Hire, Stephen Robinson, Nicholas Patrick and Robert Behnken, far right, pose for pictures on the field at Nationals Park, Tuesday, April 20, 2010, in Washington. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Flight Engineer Tracy Caldwell Dyson, front left, Expedition 23 Soyuz Commander Alexander Skvortsov, front center, and Expedition 23 Flight Engineer Mikhail Kornienko pose with backup crewmembers NASA Flight Engineer Scott Kelly of the U.S., back left, Flight Engineer Alexander Samokutyayev of Russia, back center, and Flight Engineer Andrei Borisenko of Russia, prior to the crews’ launch onboard a Soyuz rocket to the International Space Station on Friday, April 2, 2010, in Baikonur, Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

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 28 NASA Flight Engineer Mike Fossum, left, Soyuz Commander Sergei Volkov and Japan Aerospace Exploration Agency (JAXA) Flight Engineer Satoshi Furukawa, right, are seen during a press conference at the Cosmonaut Hotel in Baikonur, Kazakhstan, Monday, June 6, 2011. The mission is set to launch on Tuesday, June 8, from the Baikonur Cosmodrome. Photo Credit: (NASA/Carla Cioffi)

Expedition 28 Japan Aerospace Exploration Agency (JAXA) Flight Engineer Satoshi Furukawa stands during the State Commission meeting to approve the Soyuz launch of Expedition 28 to the International Space Station, Monday, June 6, 2011, at the Cosmonaut Hotel in Baikonur, Kazakhstan. The mission is set to launch on Tuesday, June 8 from the Baikonur Cosmodrome. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-09M is seen moments before it lands southeast of the town of Zhezkazgan, Kazakstan with the crew of Expedition 37, Monday, Nov. 11, 2013. Expedition 37 Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), Flight Engineer Karen Nyberg of NASA and Flight Engineer Luca Parmitano of the European Space Agency are returning to Earth after five and a half months on the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 32 crew members JAXA Flight Engineer Akihiko Hoshide, left, Soyuz Commander Yuri Malenchenko and NASA Flight Engineer Sunita Williams, third from left, prepare to receive the traditional blessing by an Orthodox priest at the Cosmonaut Hotel on Sunday, July 15, 2012 in Baikonur, Kazakhstan. The Soyuz spacecraft with Hoshide, Malenchenko and Williams aboard launched that morning at 8:40 a.m. Kazakhstan time. Photo Credit (NASA/Carla Cioffi)

Wayne Hale, NASA strategic program planning manager speaks during a two-day NASA Tweetup event held at NASA's Kennedy Space Center in Cape Canaveral, Fla, Sunday, Nov. 15, 2009. NASA Twitter followers in attendance will have the opportunity to take a tour of NASA's Kennedy Space Center, view the STS-129 space shuttle launch and speak with shuttle technicians, engineers, astronauts and managers. Photo Credit: (NASA/Carla Cioffi)

Expedition 26 European Space Agency astronaut Paolo Nespoli has his Russian Sokol suit pressure checked, while his crew mates NASA Flight Engineer Catherine Colemen and Soyuz Commander Dmitry Kondtratyev, far right, look on at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Wednesday, Dec. 15, 2010. Nespoli, Kondratryev and Coleman launched in their Soyuz TMA-20 rocket from the Baikonur Cosmodrome in Kazakhstan the following morning at 1:09 a.m. local time. (Photo Credit: NASA/Carla Cioffi)

Gary Lagerloef, left, Aquarius Principal Investigator, Earth & Space Research, Seattle, speaks at a press conference on NASA's Aquarius/SAC-D mission to study the salinity of Earth's oceans from space on Tuesday, May 17, 2011 at NASA Headquarters in Washington. The mission is a collaboration between NASA and Argentina's space agency Comision Nacional de Actividades Especiales (CONAE), with participation from Brazil, Canada, France and Italy. The Aquarius/SAC-D observatory will launch June 9, 2011 from Vandenberg Air Force Base in California. Photo Credit: (NASA/Carla Cioffi)

Expedition 28 Soyuz Commander Sergei Volkov of Russia speaks during a press conference, Monday, June 6, 2011, at the Cosmonaut Hotel in Baikonur, Kazakhstan. The mission is set to launch on Tuesday, June 7, from the Baikonur Cosmodrome. Photo Credit: (NASA/Carla Cioffi)

Expedition 26 NASA Flight Engineer Catherine Coleman has her Russian Sokol suit pressure checked prior to her launch at the Baikonur Cosmodrome Wednesday, Dec. 15, 2010 in Kazakhstan. Coleman and fellow Expedition 26 crew members Soyuz Commander Dmitry Kondratryev and ESA Flight Engineer Paolo Nespoli launched in their Soyuz TMA-20 rocket from the Baikonur Cosmodrome in Kazakhstan the following morning at 1:09 a.m. local time. (Photo Credit: (NASA/Carla Cioffi)

The Soyuz rocket is erected into position after being rolled out to the launch pad by train on Monday, December 17, 2012, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for December 19 and will send Expedition 34/35 Flight Engineer Tom Marshburn of NASA, Soyuz Commander Roman Romanenko and Expedition 35 Commander Chris Hadfield of the Canadian Space Agency (CSA) on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi). Photo Credit: (NASA/Carla Cioffi)

Expedition 30 Commander Dan Burbank is helped out of a Russian All-Terrain vehicle shortly after he and Expedition 30 Flight Engineers Anton Shkaplerov and Anatoly Ivanishin landed in a remote area outside of the town of Arkalyk, Kazakhstan, on Friday, April 27, 2012. NASA Astronaut Burbank, Russian Cosmonauts Shkaplerov and Ivanishin are returning from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-05M spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Thursday, July 12, 2012. The launch of the Soyuz spacecraft with Expedition 32 Soyuz Commander Yuri Malenchenko, NASA Flight Engineer Sunita Williams and JAXA (Japan Aerospace Exploration Agency) Flight Engineer Akihiko Hoshide is scheduled for the morning of Sunday, July 15, local time. Photo Credit (NASA/Carla Cioffi)

Lori Garver, left, Deputy Administrator of NASA, speaks at the Annual Collier Dinner on Thursday, May 13, 2010 in Arlington, VA. NASA and the International Space Station team is the winner of the 2009 Robert J. Collier Trophy. The Collier Trophy is awarded annually for the greatest achievement in aeronautics or astronautics in America. Photo Credit: (NASA/Carla Cioffi)

NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) observatory launches aboard the Minotaur V rocket from the Mid-Atlantic Regional Spaceport (MARS) at NASA's Wallops Flight Facility, Friday, Sept. 6, 2013 in Virginia. LADEE is a robotic mission that will orbit the moon where it will provide unprecedented information about the environment around the moon and give scientists a better understanding of other planetary bodies in our solar system and beyond. Photo Credit: (NASA/Carla Cioffi)

Expedition 30 Soyuz Commander Oleg Kononenko, bottom, NASA Flight Engineer Don Pettit of the U.S., and ESA (European Space Agency) Flight Engineer Andre Kuipers, top, wave farewell from the base of the Soyuz rocket at the Baikonur Cosmodrome in Kazakhstan, Wednesday, Dec. 21, 2011. Kononenko, Pettit and Kuipers launched in their Soyuz TMA-03M rocket from the Baikonur Cosmodrome at 7:16 p.m. local time. (Photo Credit: NASA/Carla Cioffi)

Expedition 34/35 crew members, Flight Engineer Chris Hadfield of the Canadian Space Agency (CSA), left, Soyuz Commander Roman Romanenko, and Flight Engineer Tom Marshburn of NASA, right, depart the Cosmonaut Hotel to head to another building across the Baikonur Cosmodrome where they will suit-up for their soyuz launch, on Wednesday, Dec. 19, 2012, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Hadfield, Romanenko and Marshburn on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

A Russian all terrain vehicle (ATV) takes Expedition 35 NASA Flight Engineer Tom Marshburn to a helicopter from the Soyuz TMA-07M spacecraft shortly after the capsule landed with Marshburn and Expedition 35 Commander Chris Hadfield of the Canadian Space Agency (CSA) and Russian Flight Engineer Roman Romanenko in a remote area near the town of Zhezkazgan, Kazakhstan, Tuesday, May 14, 2013. Marshburn, Hadfield and Romanenko are returning from five months onboard the International Space Station where they served as members of the Expedition 34 and 35 crews. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-20 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Thursday, December 16, 2010 carrying Expedition 26 Soyuz Commander Dmitry Kondratyev of Russia, NASA Flight Engineer Catherine Coleman and European Space Agency astronaut Paolo Nespoli to the International Space Station. (Photo Credit: NASA/Carla Cioffi)

A photograph from the 1960's showing Stan Lebar, former Westinghouse Electric program manager, holding two cameras used during the Apollo missions is seen on a large video monitor above panelists, including Stan Lebar, at NASA's briefing where restored Apollo 11 moonwalk footage was revealed for the first time at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Carla Cioffi)

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)

The Soyuz TMA-18 spacecraft is rolled out by train to the launch pad at the Baikonur Cosmodrome, Kazakhstan, Wednesday, March, 31, 2010. The launch of the Soyuz spacecraft with Expedition 23 Soyuz Commander Alexander Skvortsov of Russia, Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson is scheduled for Friday, April 2, 2010 at 10:04 a.m. Kazakhstan time. Photo Credit: (NASA/Carla Cioffi)

The Soyuz rocket is seen on its launch pad shortly after being lifted into its upright position on Monday, Sept. 23, 2013, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for September 26 and will send Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergei Ryazansky on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 27 Russian Flight Engineer Andrey Borisenko has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, April 5, 2011. Borisenko, Soyuz Commander Alexander Samokutyaev and NASA Flight Engineer Ron Garan launched in their Soyuz TMA-21 rocket from the Baikonur Cosmodrome in Kazakhstan at 4:18 a.m. local time. (Photo Credit: NASA/Carla Cioffi)

View from the balcony of the Russian Mission Control Center in Korolev, Russia as the Soyuz TMA-18 docks to the International Space Station 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)

Catherine Coleman, Expedition 26 Flight Engineer, speaks at the State Commission meeting held at the Cosmonaut Hotel in Baikonur, Kazakhstan on Tuesday, Dec. 14, 2010. Photo Credit: (NASA/Carla Cioffi)

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