
The Soyuz TMA-18 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010 carrying Expedition 23 Soyuz Commander Alexander Skvortsov of Russia, Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson of the U.S. to the International Space Station. (Photo Credit: NASA/Bill Ingalls)

The Soyuz TMA-18 spacecraft is seen at sunrise prior to its launch at 10:04am, Friday, April 2, 2010 in Baikonur, Kazakhstan. The Soyuz spacecraft will carry Expedition 23 Soyuz Commander Alexander Skvortsov of Russia, Flight Engineer Mikhail Kornienko of Russia, and NASA Flight Engineer Tracy Caldwell Dyson to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-18 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010 carrying Expedition 23 Soyuz Commander Alexander Skvortsov of Russia, Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson of the U.S. to the International Space Station. (Photo Credit: NASA/Carla Cioffi)

The Soyuz TMA-18 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010 carrying Expedition 23 Soyuz Commander Alexander Skvortsov of Russia, Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson of the U.S. to the International Space Station. (Photo Credit: NASA/Bill Ingalls)

The Soyuz TMA-18 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010 carrying Expedition 23 Soyuz Commander Alexander Skvortsov of Russia, Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson of the U.S. to the International Space Station. (Photo Credit: NASA/Bill Ingalls/Carla Cioffi)

The Soyuz TMA-18 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010 carrying Expedition 23 Soyuz Commander Alexander Skvortsov of Russia, Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson of the U.S. to the International Space Station. (Photo Credit: NASA/Bill Ingalls/Carla Cioffi)

The Soyuz TMA-18 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010 carrying Expedition 23 Soyuz Commander Alexander Skvortsov of Russia, Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson of the U.S. to the International Space Station. (Photo Credit: NASA/Bill Ingalls/Carla Cioffi)

The Soyuz TMA-18 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010 carrying Expedition 23 Soyuz Commander Alexander Skvortsov of Russia, Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson of the U.S. to the International Space Station. (Photo Credit: NASA/Carla Cioffi)

Photographers capture the Soyuz TMA-18 rocket as it launches from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010 carrying Expedition 23 Soyuz Commander Alexander Skvortsov of Russia, Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson of the U.S. to the International Space Station. (Photo Credit: NASA/Bill Ingalls)

Expedition 23 Flight Engineer Mikhail Kornienko of Russia, top, NASA Flight Engineer Tracy Caldwell Dyson of the U.S. and Soyuz Commander Alexander Skvortsov of Russia, bottom, wave farewell from the bottom of the Soyuz rocket at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko, Caldwell Dyson and Skvortsov launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010 at 10:04 a.m. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Flight Engineer Mikhail Kornienko of Russia, top, NASA Flight Engineer Tracy Caldwell Dyson of the U.S. and Soyuz Commander Alexander Skvortsov of Russia, bottom, wave farewell from the bottom of the Soyuz rocket at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko, Caldwell Dyson and Skvortsov launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010 at 10:04 a.m. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson, left, Expedition 23 Soyuz Commander Alexander Skvortsov and Expedition 23 Flight Engineer Mikhail Kornienko, third from left, walk out to salute Head of the Russian Federal Space Agency Anatoly Perminov, third from right, prior to their launch onboard the Soyuz TMA-18 to the International Space Station (ISS), Friday, April 2, 2010 in Baikonur, Kazakhstan. Photo Credit: (NASA/Victor Zelentsov)

Expedition 23 Flight Engineer Tracy Caldwell Dyson, left, Expedition 23 Soyuz Commander Alexander Skvortsov and Expedition 23 Flight Engineer Mikhail Kornienko, right, talk with family and colleagues from behind glass prior to their launch onboard a Soyuz rocket to the International Space Station (ISS), Friday, April 2, 2010 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 23 Flight Engineer Russian cosmonaut Mikhail Kornienko, right, receives the traditional blessing from a Russian Orthodox priest at the Cosmonaut Hotel on the morning of the launch of Expedition 23 on a Soyuz rocket to the International Space Station, Friday, April 2, 2010 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

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 23 Flight Engineer Mikhail Kornienko of the Russia has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko and fellow Expedition 23 crewmembers Soyuz Commander Alexander Skvortsov and NASA Flight Engineer Tracy Caldwell Dyson of the U.S. launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. has her Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell Dyson and fellow Expedition 23 crew members Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko of Russia launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Flight Engineer Mikhail Kornienko of the Russia has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko and fellow Expedition 23 crewmembers Soyuz Commander Alexander Skvortsov and NASA Flight Engineer Tracy Caldwell Dyson of the U.S. launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. has her Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell Dyson and fellow Expedition 23 crew members Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko of Russia launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Russian cosmonaut Expedition 23 Flight Engineer Mikhail Kornienko smiles as he awaits to have his Sokol suit pressure checked prior to launch, Friday, April 2, 2010, in Baikonur, Kazakhstan. Kornienko and fellow Expedition 23 crew members Soyuz Commander Alexander Skvortsov and NASA Flight Engineer Tracy Caldwell Dyson launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Bill Ingalls)

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. has her Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell Dyson and fellow Expedition 23 crew members Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko of Russia launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Flight Engineer Mikhail Kornienko of the Russia has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko and fellow Expedition 23 crewmembers Soyuz Commander Alexander Skvortsov and NASA Flight Engineer Tracy Caldwell Dyson of the U.S. launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Soyuz Commander Alexander Skvortsov has his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Skvortsov and fellow Expedition 23 crewmembers Flight Engineer Mikhail Kornienko of the Russia and NASA Flight Engineer Tracy Caldwell Dyson of the U.S. launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson, left, talks with Soyuz Commander Alexander Skvortsov of Russia, while Flight Engineer Mikhail Kornienko of Russia has his Russian Sokol suit prepared for launch at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. The Expedition 23 crew members launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. (Photo Credit: NASA/Bill Ingalls)

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. prepares to have her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell Dyson and fellow Expedition 23 crewmembers Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko of Russia launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Flight Engineer Mikhail Kornienko of Russia prepares to have his Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko and fellow Expedition 23 crewmembers Soyuz Commander Alexander Skvortsov and NASA Flight Engineer Tracy Caldwell Dyson launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Flight Engineer Mikhail Kornienko of Russia has his Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko and fellow Expedition 23 crewmembers Soyuz Commander Alexander Skvortsov and NASA Flight Engineer Tracy Caldwell Dyson launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Bill Ingalls)

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. prepares to have her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell Dyson and fellow Expedition 23 crewmembers Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko of Russia launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Soyuz Commander Alexander Skvortsov has his Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Skvortsov and fellow Expedition 23 crew members Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Soyuz Commander Alexander Skvortsov has his Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Skvortsov and fellow Expedition 23 crew members Flight Engineer Mikhail Kornienko of Russia and NASA Flight Engineer Tracy Caldwell Dyson launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. prepares to have her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell Dyson and fellow Expedition 23 crewmembers Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko of Russia launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. prepares to have her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell Dyson and fellow Expedition 23 crewmembers Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko of Russia launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Flight Engineer Mikhail Kornienko of Russia has his Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Kornienko and fellow Expedition 23 crewmembers Soyuz Commander Alexander Skvortsov and NASA Flight Engineer Tracy Caldwell Dyson launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. prepares to have her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell Dyson and fellow Expedition 23 crewmembers Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko of Russia launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Flight Engineer Tracy Caldwell Dyson performs the traditional door signing Friday, April 2, 2010 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Caldwell Dyson was launched onboard the Soyuz rocket later that day with Expedition 23 Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko on a mission to the International Space Station (ISS). Photo Credit: (NASA/Carla Cioffi)

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson of the U.S. prepares to have her Russian Sokol suit pressure checked at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell Dyson and fellow Expedition 23 crewmembers Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko of Russia launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Flight Engineer Tracy Caldwell Dyson waves farewell to well wishers as she departs the Cosmonaut Hotel on the morning of the Soyuz launch to the International Space Station on Friday, April 2, 2010 in Baikonur, Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 Flight Engineer Tracy Caldwell Dyson, left, and Soyuz Commander Alexander Skvortsov wave farewell to well wishers as they depart the Cosmonaut Hotel on the morning of their Soyuz launch to the International Space Station on Friday, April 2, 2010 in Baikonur, Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson, left, Soyuz Commander Alexander Skvortsov or Russia, and Flight Engineer Mikhail Kornienko of the Russia, right, have their Russian Sokol suits prepared for launch by a technicians at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Friday, April 2, 2010. Caldwell Dyson, Skvortsov and Kornienko and launched in their Soyuz TMA-18 rocket from the Baikonur Cosmodrome in Kazakhstan on Friday, April 2, 2010. Photo Credit: (NASA/Carla Cioffi)

Expedition 23 crew members NASA Flight Engineer Tracy Caldwell Dyson, left, Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko, right, leave the Cosmonaut Hotel on the morning of their launch on a Soyuz rocket to the International Space Station, Friday, April 2, 2010, in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 23 Flight Engineer Tracy Caldwell Dyson talks with family and colleagues from behind glass prior to her launch onboard a Soyuz rocket with Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko of Russia to the International Space Station (ISS), Friday April 2, 2010 in Baikonur, Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

The sun rises behind the Soyuz launch pad shortly before 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/Bill Ingalls)

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)

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 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 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 TMA-18 spacecraft is raised into position shortly after it was 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 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 TMA-18 spacecraft is raised into position shortly after it was 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/Bill Ingalls)

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 TMA-18 spacecraft is raised into position shortly after it was 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 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 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)

Pad technicians secure the Soyuz TMA-18 spacecraft shortly after it was 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/Bill Ingalls)

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 23 Flight Engineer Mikhail Kornienko says a few words during the State Commission meeting to approve the Soyuz launch of Kornienko, Expedition 23 Soyuz Commander Alexander Skvortsov and Expedition 23 Flight Engineer Tracy Caldwell Dyson on Thursday, April 1, 2010 in Baikonur, Kazakhstan. The crew is kept in a separate room with a glass window in order to help maintain their health. Photo Credit: (NASA/Bill Ingalls)

Expedition 23 Flight Engineer Tracy Caldwell Dyson says a few words during the State Commission meeting to approve the Soyuz launch of Caldwell Dyson, Expedition 23 Soyuz Commander Alexander Skvortsov and Expedition 23 Flight Engineer Mikhail Kornienko on Thursday, April 1, 2010 in Baikonur, Kazakhstan. The crew is kept in a separate room with a glass window in order to help maintain their health. Photo Credit: (NASA/Bill Ingalls)

ISS010-E-14586 (23 January 2005) --- Chinese Launch Complex at Jiuquan is featured in this image photographed by an Expedition 10 crewmember on the International Space Station.

ISS033-E-015399 (23 Oct. 2012) --- This view of Earth’s horizon, shows smoke trails from the launch of the Soyuz TMA-06M spacecraft, was photographed by an Expedition 33 crew member on the International Space Station. The Soyuz, with Expedition 33 crew members Soyuz Commander Oleg Novitskiy, Flight Engineer Kevin Ford of NASA, and Flight Engineer Evgeny Tarelkin of Roscosmos onboard, launched at 4:51 p.m. Kazakhstan time (5:51 a.m. CDT) on Oct. 23, 2012, from Baikonur, Kazakhstan.

ISS033-E-015394 (23 Oct. 2012) --- This view of Earth’s horizon, shows smoke trails from the launch of the Soyuz TMA-06M spacecraft, was photographed by an Expedition 33 crew member on the International Space Station. The Soyuz, with Expedition 33 crew members Soyuz Commander Oleg Novitskiy, Flight Engineer Kevin Ford of NASA, and Flight Engineer Evgeny Tarelkin of Roscosmos onboard, launched at 4:51 p.m. Kazakhstan time (5:51 a.m. CDT) on Oct. 23, 2012, from Baikonur, Kazakhstan.

ISS033-E-015386 (23 Oct. 2012) --- This view of Earth’s horizon, shows smoke trails from the launch of the Soyuz TMA-06M spacecraft, was photographed by an Expedition 33 crew member on the International Space Station. The Soyuz, with Expedition 33 crew members Soyuz Commander Oleg Novitskiy, Flight Engineer Kevin Ford of NASA, and Flight Engineer Evgeny Tarelkin of Roscosmos onboard, launched at 4:51 p.m. Kazakhstan time (5:51 a.m. CDT) on Oct. 23, 2012, from Baikonur, Kazakhstan.

3918: At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 44 crewmembers Kjell Lindgren of NASA (left), Oleg Kononenko of the Russian Federal Space Agency (center) and Kimiya Yui of the Japan Aerospace Exploration Agency (right) rehearse rendezvous and docking techniques on a laptop computer as their trainers look on July 15. Yui, Kononenko and Lindgren will launch July 23, Kazakh time on the Soyuz TMA-17M spacecraft from the Baikonur Cosmodrome for a five-month mission on the International Space Station.

Expedition 23 Soyuz Commander Alexander Skvortsov says a few words during the State Commission meeting to approve the Soyuz launch of Skvortsov, Expedition 23 Flight Engineer Tracy Caldwell Dyson and Flight Engineer Mikhail Kornienko on Thursday, April 1, 2010 in Baikonur, Kazakhstan. The crew is kept in a separate room with a glass window in order to help maintain their health. Photo Credit: (NASA/Bill Ingalls)

Expedition 23 crew members, from left, NASA’s Tracy Caldwell Dyson, Russian Alexander Skvortsov and Russian Mikhail Kornienko pose for photographers during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan, Thursday, April 1, 2010. The launch of the Soyuz spacecraft with Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson, Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko is scheduled for Friday, April 2, 2010 at 10:04 a.m. Kazakhstan time. Photo Credit: (NASA/Bill Ingalls)

Expedition 23 crew members, from left, NASA’s Tracy Caldwell Dyson, Russian Alexander Skvortsov and Russian Mikhail Kornienko are seen during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan, Thursday, April 1, 2010. The launch of the Soyuz spacecraft with Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson, Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko is scheduled for Friday, April 2, 2010 at 10:04 a.m. Kazakhstan time. Photo Credit: (NASA/Bill Ingalls)

Expedition 23 Flight Engineer Mikhail Kornienko answers a reporters' question during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan on Thursday, April 1, 2010. The launch of the Soyuz spacecraft with Expedition 23 NASA Flight Engineer Mikhail Kornienko, Soyuz Commander Alexander Skvortsov and Flight Engineer Tracy Caldwell Dyson is scheduled for Friday, April 2, 2010 at 10:04 a.m. Kazakhstan time. Photo Credit: (NASA/Bill Ingalls)

Expedition 23 Soyuz Commander Alexander Skvortsov, center, holds up a poster of the Expedition 23 crew while Flight Engineer Tracy Caldwell Dyson and Flight Engineer Mikhail Kornienko, right, smile during the State Commission meeting held at the Cosmonaut Hotel, Thursday, April 1, 2010 in Baikonur, Kazakhstan. The State Commission meeting approves the Soyuz launch of Caldwell Dyson, Skvortsov and Kornienko to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA's Tracy Caldwell Dyson, left, looks on as Expedition 23 Soyuz Commander Alexander Skvortsov answers a reporters' question during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan on Thursday, April 1, 2010. The launch of the Soyuz spacecraft with Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson, Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko is scheduled for Friday, April 2, 2010 at 10:04 a.m. Kazakhstan time. Photo Credit: (NASA/Bill Ingalls)

Expedition 23 Flight Engineer Tracy Caldwell Dyson answers a reporters' question during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan on Thursday, April 1, 2010. The launch of the Soyuz spacecraft with Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson, Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko is scheduled for Friday, April 2, 2010 at 10:04 a.m. Kazakhstan time. Photo Credit: (NASA/Bill Ingalls)

Expedition 23 crew members, from left, NASA’s Tracy Caldwell Dyson, Russian Alexander Skvortsov and Russian Mikhail Kornienko pose for photographers during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan, Thursday, April 1, 2010. The launch of the Soyuz spacecraft with Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson, Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko is scheduled for Friday, April 2, 2010 at 10:04 a.m. Kazakhstan time. Photo Credit: (NASA/Bill Ingalls)

JSC2010-E-041315 (19 March 2010) ----At the Kremlin Wall in Red Square in Moscow March 19, 2010, Russian cosmonaut Mikhail Kornienko, Expedition 23 flight engineer, lays flowers in a traditional ceremony prior to his departure for the launch site at the Baikonur Cosmodrome in Kazakhstan for final preparations for launch on the Soyuz TMA-18 spacecraft to the International Space Station April 2. Russian cosmonaut Alexander Skvortsov, Soyuz commander, NASA astronaut Tracy Caldwell Dyson, Expedition 23 flight engineer, and Kornienko were certified for launch earlier in the day by the Russian State Commission. Credit: NASA/Stephanie Stoll

JSC2010-E-041314 (19 March 2010) --- At the Kremlin Wall in Red Square in Moscow March 19, 2010, NASA astronaut Tracy Caldwell Dyson, Expedition 23 flight engineer, lays flowers in a traditional ceremony prior to her departure for the launch site at the Baikonur Cosmodrome in Kazakhstan for final preparations for her launch on the Soyuz TMA-18 spacecraft to the International Space Station April 2. Caldwell Dyson, Russian cosmonauts Alexander Skvortsov, Soyuz commander, and Mikhail Kornienko, Expedition 23 flight engineer, were certified for launch earlier in the day by the Russian State Commission. Photo credit: NASA/Stephanie Stoll

ISS023-E-031289 (3 May 2010) --- Attired in his Russian Sokol launch and entry suit, NASA astronaut T.J. Creamer, Expedition 23 flight engineer, works in the Destiny laboratory of the International Space Station.

ISS023-E-031288 (3 May 2010) --- Attired in his Russian Sokol launch and entry suit, NASA astronaut T.J. Creamer, Expedition 23 flight engineer, works in the Destiny laboratory of the International Space Station.

ISS023-E-031749 (3 May 2010) --- NASA astronaut T.J. Creamer, Expedition 23 flight engineer, attired in his Russian Sokol launch and entry suit, is pictured in the Unity node of the International Space Station.

iss061e093907 (Dec. 23, 2019) --- Expedition 61 Commander Luca Parmitano of ESA (European Space Agency) inspects a new treadmill that was launched aboard the Northrop Grumman Cygnus resupply ship.

JSC2012-E-042061 (23 March 2012) --- Russian cosmonaut Gennady Padalka, Expedition 31 flight engineer and Expedition 32 commander, attired in a Russian Sokol launch and entry suit, takes a break from training in Star City, Russia to pose for a portrait. Photo credit: Gagarin Cosmonaut Training Center

3850: At the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 44 prime crewmember Kjell Lindgren of NASA (right) plants a tree in his name in a traditional pre-launch ceremony July 15. Assisting are crewmates Kimiya Yui of the Japan Aerospace Exploration Agency (left) and Oleg Kononenko of the Russian Federal Space Agency (Roscosmos, center), Yui, Kononenko and Lindgren will launch July 23, Kazakh time on the Soyuz TMA-17M spacecraft from the Baikonur Cosmodrome for a five-month mission on the International Space Station. Credit: Gagarin Cosmonaut Training Center

JSC2010-E-041316 (19 March 2010) --- At the Kremlin Wall in Red Square in Moscow March 19, 2010, Russian cosmonaut Mikhail Kornienko (left), Expedition 23 flight engineer; Russian cosmonaut Alexander Skvortsov (center), Soyuz commander, and NASA astronaut Tracy Caldwell Dyson, Expedition 23 flight engineer, brave the elements after laying flowers in a traditional ceremony prior to their departure for the launch site at the Baikonur Cosmodrome in Kazakhstan for final preparations for launch on the Soyuz TMA-18 spacecraft to the International Space Station April 2. Photo credit: NASA/Stephanie Stoll

The Soyuz TMA-18 spacecraft and its booster rocket are hauled to the launch pad through the barren Baikonur Cosmodrome in Kazakhstan March 31, 2010 for launch April 2 to transport Expedition 23 crewmates Alexander Skvortsov, Mikhail Kornienko and Tracy Caldwell Dyson to the International Space Station.

The Soyuz TMA-18 spacecraft and its booster rocket are hauled to the launch pad through the barren Baikonur Cosmodrome in Kazakhstan March 31, 2010 for launch April 2 to transport Expedition 23 crewmates Alexander Skvortsov, Mikhail Kornienko and Tracy Caldwell Dyson to the International Space Station.

The Soyuz TMA-18 spacecraft and its booster rocket are hauled to the launch pad through the barren Baikonur Cosmodrome in Kazakhstan March 31, 2010 for launch April 2 to transport Expedition 23 crewmates Alexander Skvortsov, Mikhail Kornienko and Tracy Caldwell Dyson to the International Space Station.

JSC2009-E-049923 (February 2009) --- Attired in Russian Sokol launch and entry suits, NASA astronaut Jeffrey Williams (right), Expedition 21 flight engineer and Expedition 22 commander; cosmonaut Maxim Suraev (center), Expedition 21/22 flight engineer; and NASA astronaut T.J. Creamer, Expedition 22/23 flight engineer, take a break from training in Star City, Russia to pose for a portrait. Photo credit: Gagarin Cosmonaut Training Center

Expedition 23 crew members NASA’s Tracy Caldwell Dyson (second from left), Russian Alexander Skvortsov and Russian Mikhail Kornienko (right) pose for photographers during a press conference held at the Cosmonaut Hotel in Baikonur, Kazakhstan, Thursday, April 1, 2010. The launch of the Soyuz spacecraft with Expedition 23 NASA Flight Engineer Tracy Caldwell Dyson, Soyuz Commander Alexander Skvortsov and Flight Engineer Mikhail Kornienko is scheduled for Friday, April 2, 2010 at 10:04 a.m. Kazakhstan time. Photo Credit: (NASA/Bill Ingalls)

ISS037-E-002792 (23 Sept. 2013) --- Positioned in the Cupola of the International Space Station with a still camera in hand, Expedition 37 Flight Engineer Karen Nyberg eyeballs a potential photo target on Sept. 23, 2013. Nyberg, along with European Space Agency astronaut Luca Parmitano and Russian cosmonaut Fyodor Yurchikhin (both out of frame), will be welcoming three more crewmates in a couple of days following a scheduled Soyuz launch from Kazakhstan on Sept. 26, Kazakh time.

ISS038-E-042675 (5 Feb. 2014) --- An unpiloted ISS Progress resupply vehicle approaches the International Space Station, carrying 2.8 tons of food, fuel and supplies for the Expedition 38 crew members. The Progress 54 spacecraft launched from the Baikonur Cosmodrome in Kazakhstan at 11:23 a.m. (10:23 p.m. Baikonur time) and completed its four-orbit trek at 5:22 p.m. (EST) when it docked automatically to the station's Pirs docking compartment.

ISS038-E-042674 (5 Feb. 2014) --- An unpiloted ISS Progress resupply vehicle approaches the International Space Station, carrying 2.8 tons of food, fuel and supplies for the Expedition 38 crew members. The Progress 54 spacecraft launched from the Baikonur Cosmodrome in Kazakhstan at 11:23 a.m. (10:23 p.m. Baikonur time) and completed its four-orbit trek at 5:22 p.m. (EST) when it docked automatically to the station's Pirs docking compartment.

ISS038-E-042668 (5 Feb. 2014) --- An unpiloted ISS Progress resupply vehicle approaches the International Space Station, carrying 2.8 tons of food, fuel and supplies for the Expedition 38 crew members. The Progress 54 spacecraft launched from the Baikonur Cosmodrome in Kazakhstan at 11:23 a.m. (10:23 p.m. Baikonur time) and completed its four-orbit trek at 5:22 p.m. (EST) when it docked automatically to the station's Pirs docking compartment.

JSC2012-E-042059 (23 Aug. 2011) --- Attired in Russian Sokol launch and entry suits, Russian cosmonaut Gennady Padalka (center), Expedition 31 flight engineer and Expedition 32 commander; along with NASA astronaut Joe Acaba (left) and Russian cosmonaut Sergei Revin, both Expedition 31/32 flight engineers, take a break from training in Star City, Russia to pose for a portrait. Photo credit: Gagarin Cosmonaut Training Center

The escape tower, Soyuz TMA-14 spacecraft and third stage are moved for assembly to the first and second stages Monday, March 23, 2009 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz is scheduled to launch the crew of Expedition 19 and a spaceflight participant on March 26, 2009. Photo Credit: (NASA/Bill Ingalls)

JSC2010-E-044365 (30 March 2010) --- In preparation for an April 2 liftoff for Expedition 23, the final assembly for Soyuz TMA-18 was performed March 30 by TsSKB-Progress personnel in the Launch Vehicle Assembly facility at Site 112 of Baikonur Cosmodrome. Photo credit: NASA/Victor Zelentsov

JSC2010-E-044357 (30 March 2010) --- In preparation for an April 2 liftoff for Expedition 23, the final assembly for Soyuz TMA-18 was performed March 30 by TsSKB-Progress personnel in the Launch Vehicle Assembly facility at Site 112 of Baikonur Cosmodrome. Photo credit: NASA/Victor Zelentsov

ISS023-E-031284 (3 May 2010) --- From the Harmony node, Japan Aerospace Exploration Agency (JAXA) astronaut Soichi Noguchi, Expedition 23 flight engineer, wearing his Russian Sokol launch and entry suit, is pictured in the Kibo laboratory of the International Space Station.

JSC2011-E-196330 (23 Aug. 2011) --- Russian cosmonaut Gennady Padalka, Expedition 29 backup flight engineer, attired in a Russian Sokol launch and entry suit, takes a break from training in Star City, Russia to pose for a portrait. Photo credit: Gagarin Cosmonaut Training Center

The escape tower is slowly moved into position so it may be attached to the Soyuz TMA-14 spacecraft and boosters Monday, March 23, 2009 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz is scheduled to launch the crew of Expedition 19 and a spaceflight participant on March 26, 2009. Photo Credit: (NASA/Bill Ingalls)

Russian engineers attach the escape tower to the Soyuz TMA-14 spacecraft and boosters Monday, March 23, 2009 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz is scheduled to launch the crew of Expedition 19 and a spaceflight participant on March 26, 2009. Photo Credit: (NASA/Bill Ingalls)

Russian engineers prepare the Soyuz TMA-14 spacecraft and boosters for mating Monday, March 23, 2009 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz is scheduled to launch the crew of Expedition 19 and a spaceflight participant on March 26, 2009. Photo Credit: (NASA/Bill Ingalls)

ISS023-E-031286 (3 May 2010) --- Japan Aerospace Exploration Agency (JAXA) astronaut Soichi Noguchi, Expedition 23 flight engineer, wearing his Russian Sokol launch and entry suit, is pictured floating freely in the Kibo laboratory of the International Space Station.

JSC2014-E-079949 (23 Aug. 2011) --- Russian cosmonaut Gennady Padalka, Expedition 41 backup crew member, attired in a Russian Sokol launch and entry suit, takes a break from training in Star City, Russia to pose for a portrait. Photo credit: Gagarin Cosmonaut Training Center

The Soyuz escape tower is being attached to the Soyuz TMA-14 spacecraft and boosters Monday, March 23, 2009 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz is scheduled to launch the crew of Expedition 19 and a spaceflight participant on March 26, 2009. Photo Credit: (NASA/Bill Ingalls)