Expedition 39 Flight Engineer Steve Swanson of NASA, left, receives the traditional blessing from a Russian Orthodox priest at the Cosmonaut Hotel prior to his launch on the Soyuz rocket to the International Space Station, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. Swanson, Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, and Flight Engineer Oleg Artemyev of Roscosmos will spend six months living and working aboard the ISS. Photo Credit: (NASA/Joel Kowsky)

Expedition 39 Flight Engineer Oleg Artemyev of the Russian Federal Space Agency, Roscosmos, is helped into his Russian Sokol suit as he and fellow cremates, Soyuz Commander Alexander Skvortsov of Roscosmos, and Flight Engineer Steve Swanson of NASA prepare for their Soyuz launch to the International Space Station, on Tuesday, March, 25, 2014, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Skvortsov, Swanson, and Artemyev on a six-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 39 Flight Engineer Oleg Artemyev of the Russian Federal Space Agency, Roscosmos, has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-12M spacecraft on Tuesday, March 25, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Artemyev, Expedition 39 Soyuz Commander Alexander Skvortsov of Roscosmos and Flight Engineer Steve Swanson of NASA is scheduled to launch at 3:17 a.m. Kazakhstan time on Wednesday, March 26. Photo Credit: (NASA/Joel Kowsky)

Expedition 39 Flight Engineer Steve Swanson of NASA has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-12M spacecraft on Tuesday, March 25, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Swanson, Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, and Flight Engineer Oleg Artemyev of Roscosmos is scheduled to launch at 3:17 a.m. Kazakhstan time on Wednesday, March 26. (NASA/GCTC/Irina Peshkova)

Expedition 39 Flight Engineer Steve Swanson of NASA, left, and Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, right, speak with family members while Flight Engineer Oleg Artemyev of Roscosmos, has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-12M spacecraft on Tuesday, March 25, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Artemyev, Expedition 39 Soyuz Commander Alexander Skvortsov of Roscosmos and Flight Engineer Steve Swanson of NASA is scheduled to launch at 3:17 a.m. Kazakhstan time on Wednesday, March 26.

Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, is helped into his Russian Sokol suit as he and fellow cremates, Flight Engineer Steve Swanson of NASA and Flight Engineer Oleg Artemyev of Roscosmos prepare for their Soyuz launch to the International Space Station, on Tuesday, March, 25, 2014, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Skvortsov, Swanson, and Artemyev on a six-month mission aboard the International Space Station. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 39 Flight Engineer Steve Swanson of NASA, center, speaks with his family during Russian Sokol suit pressure checks in preparation for launch onboard the Soyuz TMA-12M spacecraft on Tuesday, March 25, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Swanson, Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, and Flight Engineer Oleg Artemyev of Roscosmos is scheduled to launch at 3:17 a.m. Kazakhstan time on Wednesday, March 26. (NASA/Joel Kowsky)

Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-12M spacecraft on Tuesday, March 25, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Skvortsov, Expedition 39 Flight Engineer Steve Swanson of NASA and Flight Engineer Oleg Artemyev of Roscosmos is scheduled to launch at 3:17 a.m. Kazakhstan Time on Wednesday, March 26. Photo Credit: (NASA/GCTC/Irina Peshkova)

An Orthodox priest blesses members of the media on the Soyouz launch pad at the Baikonur Cosmodrome launch pad on Monday, March 24, 2014 in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Flight Engineer Steve Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station.Photo Credit: (NASA/Joel Kowsky)

Expedition 39 Flight Engineer Steve Swanson of NASA, left, Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, center, and, Flight Engineer Oleg Artemyev of Roscosmos, right, are seen as they report to the General Director of the Russian Federal Space Agency, Roscosmos, Oleg Ostapenko, far right, outside of Building 254 following their suit up for launch, Wednesday, March 26, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Swanson, Skvortsov, and Artemyev onboard launched at 3:17 a.m. later that morning Kazakhstan time. Photo Credit: (NASA/Victor Zelentsov)

Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-12M spacecraft on Tuesday, March 25, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Skvortsov, Expedition 39 Flight Engineer Steve Swanson of NASA and Flight Engineer Oleg Artemyev of Roscosmos is scheduled to launch at 3:17 a.m. Kazakhstan Time on Wednesday, March 26. Photo Credit: (NASA/Bill Ingalls)

An Orthodox priest blesses members of the media on the Soyouz launch pad at the Baikonur Cosmodrome launch pad on Monday, March 24, 2014 in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Flight Engineer Steve Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station.Photo Credit: (NASA/Joel Kowsky)

Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, speaks with his family during Russian Sokol suit pressure checks in preparation for launch onboard the Soyuz TMA-12M spacecraft on Tuesday, March 25, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Skvortsov, Expedition 39 Flight Engineer Oleg Artemyev of Roscosmos and Flight Engineer Steve Swanson of NASA is scheduled to launch at 3:17 a.m. Kazakhstan time on Wednesday, March 26. (NASA/Bill Ingalls)

An Orthodox priest blesses the Soyuz rocket at the Baikonur Cosmodrome launch pad on Monday, March 24, 2014 in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Flight Engineer Steve Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station.Photo Credit: (NASA/Joel Kowsky)

Expedition 39 Flight Engineer Steve Swanson of NASA speaks with his family during Russian Sokol suit pressure checks in preparation for launch onboard the Soyuz TMA-12M spacecraft on Tuesday, March 25, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Swanson, Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, and Flight Engineer Oleg Artemyev of Roscosmos is scheduled to launch at 3:17 a.m. Kazakhstan time on Wednesday, March 26. (NASA/Bill Ingalls)

Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, center, receives the traditional blessing from a Russian Orthodox priest at the Cosmonaut Hotel prior to his launch on the Soyuz rocket to the International Space Station, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. Skvortsov, Flight Engineer Steve Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos will spend six months living and working aboard the ISS. Photo Credit: (NASA/Bill Ingalls)

An Orthodox priest blesses members of the media on the Soyouz launch pad at the Baikonur Cosmodrome launch pad on Monday, March 24, 2014 in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Flight Engineer Steve Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station.Photo Credit: (NASA/Joel Kowsky)

An Orthodox priest blesses the Soyuz rocket at the Baikonur Cosmodrome launch pad on Monday, March 24, 2014 in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Flight Engineer Steve Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station.Photo Credit: (NASA/Joel Kowsky)

An Orthodox priest blesses members of the media on the Soyouz launch pad at the Baikonur Cosmodrome launch pad on Monday, March 24, 2014 in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Flight Engineer Steve Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station.Photo Credit: (NASA/Joel Kowsky)

A Russian Orthodox priest stands ready to preform the traditional blessing of the crew at the Cosmonaut Hotel prior to the launch of Soyuz TMA-12M to the International Space Station, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steve Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos will spend six months living and working aboard the ISS. Photo Credit: (NASA/Bill Ingalls)

Expedition 39 Flight Engineer Steve Swanson of NASA, left, Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, center, and, Flight Engineer Oleg Artemyev of Roscosmos, right, are seen as they depart the Cosmonaut Hotel, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. The trio launched on a six month mission to the International Space Station onboard the Soyuz TMA-12M spacecraft at 3:17 a.m. Kazakhstan time on Wednesday, March 26. Photo Credit: (NASA/Victor Zelentsov)

Flight Engineer Oleg Artemyev of the Russian Federal Space Agency, Roscosmos, right, receives the traditional blessing from a Russian Orthodox priest at the Cosmonaut Hotel prior to his launch on the Soyuz rocket to the International Space Station, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. Artemyev, Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, and Flight Engineer Steve Swanson of NASA will spend six months living and working aboard the ISS. Photo Credit: (NASA/Bill Ingalls)

An Orthodox priest blesses members of the media on the Soyouz launch pad at the Baikonur Cosmodrome launch pad on Monday, March 24, 2014 in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Flight Engineer Steve Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station.Photo Credit: (NASA/Joel Kowsky)

Expedition 39 Flight Engineer Oleg Artemyev of the Russian Federal Space Agency, Roscosmos, speaks with his family during Russian Sokol suit pressure checks in preparation for launch onboard the Soyuz TMA-12M spacecraft on Tuesday, March 25, 2014 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Artemyev, Expedition 39 Soyuz Commander Alexander Skvortsov of Roscosmos and Flight Engineer Steve Swanson of NASA is scheduled to launch at 3:17 a.m. Kazakhstan time on Wednesday, March 26. (NASA/Bill Ingalls)

Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, bottom, Flight Engineer Steve Swanson of NASA, middle, and Flight Engineer Oleg Artemyev of Roscosmos, wave farewell prior to boarding the Soyuz TMA-12M rocket for launch, Wednesday, March 26, 2014 at the Baikonur Cosmodrome in Kazakhstan. Skvortsov, Swanson, and Artemyev will spend the next six months aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, performs the traditional door signing at the Cosmonaut hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mates, Flight Engineer Steve Swanson of NASA and Flight Engineer Oleg Artemyev of Roscosmos, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. Skvortsov, Swanson, and Artemyev will launch in their Soyuz TMA-12M spacecraft to the International Space Station to begin a six-month mission. Photo Credit (NASA/Joel Kowsky)

Expedition 39 Flight Engineer Steve Swanson of NASA, left, Soyuz Commander Alexander Skvortsov the Russian Federal Space Agency, Roscosmos, center, and Flight Engineer Oleg Artemyev of Roscosmos, right, are seen as they depart the Cosmonaut Hotel, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. The trio is set to launch on a six month mission to the International Space Station onboard the Soyuz TMA-12M spacecraft at 3:17 a.m. Kazakhstan time on Wednesday, March 26. Photo Credit: (NASA/Joel Kowsky)

Expedition 39 Flight Engineer Steve Swanson of NASA, performs the traditional door signing at the Cosmonaut hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mates, Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, and Flight Engineer Oleg Artemyev of Roscosmos, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. Swanson, Skvortsov and, and Artemyev will launch in their Soyuz TMA-12M spacecraft to the International Space Station to begin a six-month mission. Photo Credit (NASA/Joel Kowsky)

Expedition 39 Flight Engineer Oleg Artemyev, left, of the Russian Federal Space Agency, Roscosmos, performs the traditional door signing at the Cosmonaut hotel as Soyuz Commander Alexander Skvortsov of Roscosmos, looks on, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. Artemyev, Skvortsov, and fellow crew member Flight Engineer Steve Swanson of NASA will launch in their Soyuz TMA-12M spacecraft to the International Space Station to begin a six-month mission. Photo Credit (NASA/Joel Kowsky)

Expedition 39 Flight Engineer Oleg Artemyev of the Russian Federal Space Agency, Roscosmos, performs the traditional door signing at the Cosmonaut hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mates, Soyuz Commander Alexander Skvortsov of Roscosmos, and Flight Engineer Steve Swanson of NASA, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. Artemyev, Skvortsov, and Swanson will launch in their Soyuz TMA-12M spacecraft to the International Space Station to begin a six-month mission. Photo Credit (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Workers prepare the Soyuz TMA-12M spacecraft to be raised into a vertical position after it was rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is prepared to be rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is seen after being erected on the launch pad on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is raised into position on the launch pad on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The gantry arms close around the Soyuz TMA-12M spacecraft to secure the rocket at the launch pad on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The doors to Building 112 are opened to reveal the Soyuz TMA-12M spacecraft as it is prepared to be rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is seen after being erected on the launch pad on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The sun rises behind the Soyuz launch pad shortly before the Soyuz TMA-12M spacecraft is rolled out by train to the launch pad at the Baikonur Cosmodrome, Kazakhstan, Sunday, March, 23, 2014. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station.Photo Credit (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The doors to Building 112 are opened to reveal the Soyuz TMA-12M spacecraft as it is prepared to be rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is seen after being erected on the launch pad on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is seen before being raised at the launch pad on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The gantry arms begin to close around the Soyuz TMA-12M spacecraft to secure the rocket at the launch pad on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-12M spacecraft is rolled out to the launch pad by train on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket and Soyuz TMA-12M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome on Saturday, March 22, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six month mission to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket and Soyuz TMA-12M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome on Saturday, March 22, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six month mission to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket and Soyuz TMA-12M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome on Saturday, March 22, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six month mission to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket and Soyuz TMA-12M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome on Saturday, March 22, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six month mission to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket and Soyuz TMA-12M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome on Saturday, March 22, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six month mission to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket and Soyuz TMA-12M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome on Saturday, March 22, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six month mission to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket and Soyuz TMA-12M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome on Saturday, March 22, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six month mission to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket and Soyuz TMA-12M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome on Saturday, March 22, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six month mission to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket and Soyuz TMA-12M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome on Saturday, March 22, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz is scheduled for March 26 and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six month mission to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)