ISS024-E-007122 (30 June 2010) --- The Soyuz TMA-19 spacecraft (foreground), docked to the Rassvet Mini-Research Module 1 (MRM1), and Progress 37 resupply vehicle, docked to the Pirs Docking Compartment, are featured in this image photographed by an Expedition 24 crew member on the International Space Station. A blue and white part of Earth and the blackness of space provide the backdrop for the scene.

ISS024-E-006860 (28 June 2010) --- Russian cosmonaut Fyodor Yurchikhin, Expedition 24 flight engineer, attired in his Russian Sokol launch and entry suit, occupies his seat in the Soyuz TMA-19 spacecraft docked to the International Space Station. Yurchikhin, along with NASA astronauts Doug Wheelock and Shannon Walker (both out of frame) were about to relocate the Soyuz from the Zvezda Service Module’s aft port to the Rassvet Mini-Research Module 1 (MRM1).

ISS024-E-006862 (28 June 2010) --- NASA astronaut Shannon Walker, Expedition 24 flight engineer, attired in her Russian Sokol launch and entry suit, occupies her seat in the Soyuz TMA-19 spacecraft docked to the International Space Station. Walker, along with Russian cosmonaut Fyodor Yurchikhin and NASA astronaut Doug Wheelock (both out of frame) were about to relocate the Soyuz from the Zvezda Service Module’s aft port to the Rassvet Mini-Research Module 1 (MRM1).

ISS024-E-006870 (28 June 2010) --- Russian cosmonaut Fyodor Yurchikhin and NASA astronaut Shannon Walker, both Expedition 24 flight engineers, attired in their Russian Sokol launch and entry suits, occupy their seats in the Soyuz TMA-19 spacecraft docked to the International Space Station. Yurchikhin and Walker, along with NASA astronaut Doug Wheelock (out of frame) were about to relocate the Soyuz from the Zvezda Service Module’s aft port to the Rassvet Mini-Research Module 1 (MRM1).

ISS024-E-006823 (28 June 2010) --- Russian cosmonaut Fyodor Yurchikhin, Expedition 24 flight engineer, works in Soyuz TMA-19 spacecraft while docked to the Zvezda Service Module’s aft port of the International Space Station. Later Yurchikhin, along with NASA astronauts Doug Wheelock and Shannon Walker donned their Russian Sokol launch and entry suits and relocated the Soyuz from the Zvezda aft end to the Rassvet Mini-Research Module 1 (MRM1).

ISS024-E-006874 (28 June 2010) --- NASA astronaut Doug Wheelock, Expedition 24 flight engineer, attired in his Russian Sokol launch and entry suit, occupies his seat in the Soyuz TMA-19 spacecraft docked to the International Space Station. Wheelock, along with Russian cosmonaut Fyodor Yurchikhin and NASA astronaut Shannon Walker (both out of frame) were about to relocate the Soyuz from the Zvezda Service Module’s aft port to the Rassvet Mini-Research Module 1 (MRM1).

ISS024-E-006819 (28 June 2010) --- NASA astronaut Shannon Walker, Expedition 24 flight engineer, is pictured in the orbital module of the Soyuz TMA-19 spacecraft while docked to the Zvezda Service Module’s aft port of the International Space Station. Later Walker, along with NASA astronaut Doug Wheelock and Russian cosmonaut Fyodor Yurchikhin donned their Russian Sokol launch and entry suits and relocated the Soyuz from the Zvezda aft end to the Rassvet Mini-Research Module 1 (MRM1).

ISS024-E-006880 (28 June 2010) --- NASA astronaut Doug Wheelock, Expedition 24 flight engineer, attired in his Russian Sokol launch and entry suit, occupies his seat in the Soyuz TMA-19 spacecraft docked to the International Space Station. Wheelock, along with Russian cosmonaut Fyodor Yurchikhin and NASA astronaut Shannon Walker (both out of frame) were about to relocate the Soyuz from the Zvezda Service Module’s aft port to the Rassvet Mini-Research Module 1 (MRM1).

The Soyuz TMA-19 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010 carrying Expedition 24 NASA Flight Engineers Shannon Walker and Douglas Wheelock, and Soyuz Commander Fyodor Yurchikhin of Russia to the International Space Station. Their Soyuz TMA-19 rocket launched at 3:35 a.m Kazakhstan time. (Photo Credit: NASA/Carla Cioffi)

ISS025-E-017120 (19 Nov. 2010) --- Inside the descent module of the Soyuz TMA-19, three Expedition 25 crew members rehearse for their scheduled return to Earth Nov. 25 at 11:46 p.m. EST (Nov. 26 at 10:46 a.m. Kazakhstan time) aboard the Soyuz. From the left are NASA astronaut Doug Wheelock, commander; Russian cosmonaut Fyodor Yurchikhin and NASA astronaut Shannon Walker, both flight engineers.

ISS024-E-006726 (28 June 2010) --- The Soyuz TMA-19 spacecraft relocates from the Zvezda Service Module's aft port to the Rassvet Mini-Research Module 1 (MRM1) of the International Space Station. Russian cosmonaut Fyodor Yurchikhin; along with NASA astronauts Doug Wheelock and Shannon Walker, all Expedition 24 flight engineers, undocked their Soyuz spacecraft from Zvezda’s aft end at 3:13 pm. (EDT) on June 28, 2010, and docked it to its new location on the recently installed Rassvet module 25 minutes later.

ISS024-E-006850 (28 June 2010) --- NASA astronaut Shannon Walker, Expedition 24 flight engineer, attired in her Russian Sokol launch and entry suit, gives a “thumbs up” signal while occupying her seat in the Soyuz TMA-19 spacecraft docked to the International Space Station. Walker, along with Russian cosmonaut Fyodor Yurchikhin and NASA astronaut Doug Wheelock (both out of frame) were about to relocate the Soyuz from the Zvezda Service Module’s aft port to the Rassvet Mini-Research Module 1 (MRM1).

ISS024-E-006720 (28 June 2010) --- The Soyuz TMA-19 spacecraft relocates from the Zvezda Service Module's aft port to the Rassvet Mini-Research Module 1 (MRM1) of the International Space Station. Russian cosmonaut Fyodor Yurchikhin; along with NASA astronauts Doug Wheelock and Shannon Walker, all Expedition 24 flight engineers, undocked their Soyuz spacecraft from Zvezda’s aft end at 3:13 pm. (EDT) on June 28, 2010, and docked it to its new location on the recently installed Rassvet module 25 minutes later.

The Soyuz TMA-14 launches from the Baikonur Cosmodrome in Kazakhstan on Thursday, March 26, 2009 carrying Expedition 19 Commander Gennady I. Padalka, Flight Engineer Michael R. Barratt and Spaceflight Participant Charles Simonyi to the International Space Station. (Photo Credit: NASA/Bill Ingalls)

The Soyuz TMA-14 launches from the Baikonur Cosmodrome in Kazakhstan on Thursday, March 26, 2009 carrying Expedition 19 Commander Gennady I. Padalka, Flight Engineer Michael R. Barratt and Spaceflight Participant Charles Simonyi to the International Space Station. (Photo Credit: NASA/Bill Ingalls)

The Soyuz TMA-14 launches from the Baikonur Cosmodrome in Kazakhstan on Thursday, March 26, 2009 carrying Expedition 19 Commander Gennady I. Padalka, Flight Engineer Michael R. Barratt and Spaceflight Participant Charles Simonyi to the International Space Station. (Photo Credit: NASA/Bill Ingalls)

The Soyuz TMA-14 launches from the Baikonur Cosmodrome in Kazakhstan on Thursday, March 26, 2009 carrying Expedition 19 Commander Gennady I. Padalka, Flight Engineer Michael R. Barratt and Spaceflight Participant Charles Simonyi to the International Space Station. (Photo Credit: NASA/Bill Ingalls)

ISS024-E-007733 (9 July 2010) --- The Soyuz TMA-19 spacecraft, docked to the Rassvet Mini-Research Module 1 (MRM1), is featured in this image photographed by an Expedition 24 crew member on the International Space Station. A blue and white part of Earth and the blackness of space provide the backdrop for the scene.

ISS026-E-005079 (25 Nov. 2010) --- The Soyuz TMA-19 spacecraft departs the International Space Station on Nov. 25, 2010. Onboard are three members of Expedition 25 – NASA astronaut Doug Wheelock, commander; along with NASA astronaut Shannon Walker and Russian cosmonaut Fyodor Yurchikhin, both flight engineers. Yurchikhin, the Soyuz commander, was at the controls of the spacecraft as it undocked at 8:23 p.m. (EST) from the station's Rassvet module. The blackness of space and Earth’s horizon provide the backdrop for the scene.

ISS024-E-006760 (28 June 2010) --- The Soyuz TMA-19 spacecraft docks to the Rassvet Mini-Research Module 1 (MRM1) of the International Space Station. Russian cosmonaut Fyodor Yurchikhin; along with NASA astronauts Doug Wheelock and Shannon Walker, all Expedition 24 flight engineers, undocked their Soyuz spacecraft from Zvezda Service Module's aft port at 3:13 pm. (EDT) on June 28, 2010, and docked it to its new location on the recently installed Rassvet module 25 minutes later.

ISS026-E-005986 (25 Nov. 2010) --- The Soyuz TMA-19 spacecraft departs the International Space Station on Nov. 25, 2010. Onboard are three members of Expedition 25 – NASA astronaut Doug Wheelock, commander; along with NASA astronaut Shannon Walker and Russian cosmonaut Fyodor Yurchikhin, both flight engineers. Yurchikhin, the Soyuz commander, was at the controls of the spacecraft as it undocked at 8:23 p.m. (EST) from the station's Rassvet module. The blackness of space and Earth’s horizon provide the backdrop for the scene.

ISS026-E-006040 (25 Nov. 2010) --- The Soyuz TMA-19 spacecraft departs the International Space Station on Nov. 25, 2010. Onboard are three members of Expedition 25 – NASA astronaut Doug Wheelock, commander; along with NASA astronaut Shannon Walker and Russian cosmonaut Fyodor Yurchikhin, both flight engineers. Yurchikhin, the Soyuz commander, was at the controls of the spacecraft as it undocked at 8:23 p.m. (EST) from the station's Rassvet module. The blackness of space and Earth’s horizon provide the backdrop for the scene.

ISS026-E-005989 (25 Nov. 2010) --- The Soyuz TMA-19 spacecraft departs the International Space Station on Nov. 25, 2010. Onboard are three members of Expedition 25 – NASA astronaut Doug Wheelock, commander; along with NASA astronaut Shannon Walker and Russian cosmonaut Fyodor Yurchikhin, both flight engineers. Yurchikhin, the Soyuz commander, was at the controls of the spacecraft as it undocked at 8:23 p.m. (EST) from the station's Rassvet module. The blackness of space and Earth’s horizon provide the backdrop for the scene.

ISS026-E-006049 (25 Nov. 2010) --- The Soyuz TMA-19 spacecraft departs the International Space Station on Nov. 25, 2010. Onboard are three members of Expedition 25 – NASA astronaut Doug Wheelock, commander; along with NASA astronaut Shannon Walker and Russian cosmonaut Fyodor Yurchikhin, both flight engineers. Yurchikhin, the Soyuz commander, was at the controls of the spacecraft as it undocked at 8:23 p.m. (EST) from the station's Rassvet module.

ISS026-E-006017 (25 Nov. 2010) --- The Soyuz TMA-19 spacecraft departs the International Space Station on Nov. 25, 2010. Onboard are three members of Expedition 25 – NASA astronaut Doug Wheelock, commander; along with NASA astronaut Shannon Walker and Russian cosmonaut Fyodor Yurchikhin, both flight engineers. Yurchikhin, the Soyuz commander, was at the controls of the spacecraft as it undocked at 8:23 p.m. (EST) from the station's Rassvet module. The blackness of space and Earth’s horizon provide the backdrop for the scene.

ISS024-E-006764 (28 June 2010) --- The Soyuz TMA-19 spacecraft docks to the Rassvet Mini-Research Module 1 (MRM1) of the International Space Station. Russian cosmonaut Fyodor Yurchikhin; along with NASA astronauts Doug Wheelock and Shannon Walker, all Expedition 24 flight engineers, undocked their Soyuz spacecraft from Zvezda Service Module's aft port at 3:13 pm. (EDT) on June 28, 2010, and docked it to its new location on the recently installed Rassvet module 25 minutes later.

ISS026-E-006008 (25 Nov. 2010) --- The Soyuz TMA-19 spacecraft departs the International Space Station on Nov. 25, 2010. Onboard are three members of Expedition 25 – NASA astronaut Doug Wheelock, commander; along with NASA astronaut Shannon Walker and Russian cosmonaut Fyodor Yurchikhin, both flight engineers. Yurchikhin, the Soyuz commander, was at the controls of the spacecraft as it undocked at 8:23 p.m. (EST) from the station's Rassvet module. The blackness of space and Earth’s horizon provide the backdrop for the scene.

ISS026-E-005993 (25 Nov. 2010) --- The Soyuz TMA-19 spacecraft departs the International Space Station on Nov. 25, 2010. Onboard are three members of Expedition 25 – NASA astronaut Doug Wheelock, commander; along with NASA astronaut Shannon Walker and Russian cosmonaut Fyodor Yurchikhin, both flight engineers. Yurchikhin, the Soyuz commander, was at the controls of the spacecraft as it undocked at 8:23 p.m. (EST) from the station's Rassvet module. The blackness of space and Earth’s horizon provide the backdrop for the scene.

ISS024-E-006762 (28 June 2010) --- The Soyuz TMA-19 spacecraft docks to the Rassvet Mini-Research Module 1 (MRM1) of the International Space Station. Russian cosmonaut Fyodor Yurchikhin; along with NASA astronauts Doug Wheelock and Shannon Walker, all Expedition 24 flight engineers, undocked their Soyuz spacecraft from Zvezda Service Module's aft port at 3:13 pm. (EDT) on June 28, 2010, and docked it to its new location on the recently installed Rassvet module 25 minutes later.

ISS026-E-006030 (25 Nov. 2010) --- The Soyuz TMA-19 spacecraft departs the International Space Station on Nov. 25, 2010. Onboard are three members of Expedition 25 – NASA astronaut Doug Wheelock, commander; along with NASA astronaut Shannon Walker and Russian cosmonaut Fyodor Yurchikhin, both flight engineers. Yurchikhin, the Soyuz commander, was at the controls of the spacecraft as it undocked at 8:23 p.m. (EST) from the station's Rassvet module. The blackness of space and Earth’s horizon provide the backdrop for the scene.

The Soyuz TMA-14 launches from the Baikonur Cosmodrome in Kazakhstan on Thursday, March 26, 2009 carrying Expedition 19 Commander Gennady I. Padalka, Flight Engineer Michael R. Barratt and Spaceflight Participant Charles Simonyi to the International Space Station. (Photo Credit: NASA/Bill Ingalls)

The Soyuz TMA-19 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010 carrying Expedition 24 NASA Flight Engineers Shannon Walker and Douglas Wheelock, and Soyuz Commander Fyodor Yurchikhin of Russia to the International Space Station. Their Soyuz TMA-19 rocket launched at 3:35 a.m Kazakhstan time. (Photo Credit: NASA/Carla Cioffi)

The Soyuz TMA-19 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010 carrying Expedition 24 NASA Flight Engineers Shannon Walker and Douglas Wheelock, and Soyuz Commander Fyodor Yurchikhin of Russia to the International Space Station. Their Soyuz TMA-19 rocket launched at 3:35 a.m Kazakhstan time. (Photo Credit: NASA/Carla Cioffi)

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)

Engineers wait on the Soyuz second stage for the arrival of the Soyuz TMA-14 spacecraft and third stage for final assembly 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)

The Soyuz escape tower is being moved into position so that 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)

The boosters of the Soyuz rocket are seen as the Soyuz TMA-14 spacecraft and boosters are assembled 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)

The boosters of the Soyuz rocket are seen as the Soyuz TMA-14 spacecraft and boosters are assembled 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)

The boosters of the Soyuz rocket are seen as the Soyuz TMA-14 spacecraft and boosters are assembled 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)

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)

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)

The Soyuz TMA-14 spacecraft, escape tower, first, second and third stages are seen after final assembly 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 escape tower prior to attaching it 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)

An engineer assists in maneuvering the Soyuz TMA-14 spacecraft and third stage for final 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)

Engineers assemble the Soyuz TMA-14 spacecraft, escape tower and all three 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)

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)

An engineer monitors the maneuvering the Soyuz TMA-14 spacecraft and third stage during final 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)

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)

Expedition 24 NASA Flight Engineer Shannon Walker, top, Expedition 24 NASA Flight Engineer Doug Wheelock, center, and Expedition 24 Soyuz Commander Fyodor Yurchikhin wave farewell from the bottom of the Soyuz rocket at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Wednesday, June 16, 2010. Walker, Wheelock and Yurchikhin launched in their Soyuz TMA-19 rocket from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010 at 3:35 a.m. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-19 spacecraft is seen at the Soyuz launch pad secured by its scaffolding at the Baikonur Cosmodrome in Kazakhstan, Sunday, June 13, 2010. The Soyuz is scheduled to launch the crew of Expedition 24 on Wednesday, June 16, 2010 at 3:35 a.m. Kazakhstan time. 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)

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)

The flags of the Russia, the United States and Kazakhstan are seen at the launch pad after the Soyuz TMA-19 spacecraft was 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 Russian Soyuz Commander Fyodor Yurchikin, and NASA Flight Engineers Shannon Walker and Doug Wheelock is scheduled for Wednesday, June 16, 2010 at 3:35 a.m. Kazakhstan time. 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)

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)

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)

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)

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)

Pad technicians secure the Soyuz TMA-19 spacecraft shortly after it was 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 Russian Soyuz Commander Fyodor Yurchikin, and NASA Flight Engineers Shannon Walker and Doug Wheelock is scheduled for Wednesday, June 16, 2010 at 3:35 a.m. Kazakhstan time. Photo Credit (NASA/Carla Cioffi)

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

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

ISS024-E-007731 (9 July 2010) --- The Soyuz TMA-19 spacecraft (partially out of frame in the foreground), docked to the Rassvet Mini-Research Module 1 (MRM1), and Progress 37 resupply vehicle, docked to the Pirs Docking Compartment, are featured in this image photographed by an Expedition 24 crew member on the International Space Station. A blue and white part of Earth and the blackness of space provide the backdrop for the scene.

The Soyuz TMA-19 spacecraft with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin is rolled by technicians in order to assist with getting the crew out of the capsule, near Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-19 spacecraft is seen as it descends with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

A Russian Search and Rescue helicopter lands near the Soyuz TMA-19 spacecraft shortly after touch down with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Two Russian Search and Rescue helicopters land near the Soyuz TMA-19 spacecraft shortly after touch down with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-19 spacecraft with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin touches down near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-19 spacecraft is seen as it descends with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-19 spacecraft is seen as it descends with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

A technician enters the Soyuz TMA-19 spacecraft with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin in order to assist with getting the crew out of the capsule, near Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Engineer Shannon Walker out of the Soyuz TMA-19 spacecraft shortly after the capsule landed with her, Expedition 25 Commander Doug Wheelock and Flight Engineer Fyodor Yurchikhin near Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-19 spacecraft is seen as it descends with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

A Russian Search and Rescue hellicopter is seen in eth back ground as the Soyuz TMA-19 spacecraft descends with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-19 spacecraft with Expedition 25 Commander Doug Wheelock and Flight Engineers Shannon Walker and Fyodor Yurchikhin touches down near the town of Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

Russian Search and Rescue teams and medical personnel help Expedition 25 Commander Doug Wheelock out of the Soyuz TMA-19 spacecraft shortly after the capsule landed with him, Expedition 25 Flight Engineer Shannon Walker and Flight Engineer Fyodor Yurchikhin near Arkalyk, Kazakhstan on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, are returning from nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)

The Soyuz rocket is erected into position at the launch pad Tuesday, March 24, 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)

View of the departing Soyuz TMA-19M spacecraft and the nearly full Moon.

JSC2009-E-215175 (October 2009) --- Computer-generated artist?s rendering of the International Space Station as of Oct. 11, 2009. Soyuz 18 (TMA-14) undocks from the Pirs Docking Compartment, returning Russian cosmonaut Gennady Padalka, Expedition 19/20 commander; NASA astronaut Michael Barratt, Expedition 19/20 flight engineer; and spaceflight participant Guy Laliberte to Earth. Soyuz 20 (TMA-16) is docked to the Zvezda Service Module?s aft port and Soyuz 19 (TMA-15) remains linked to the Zarya nadir port. The Japanese H-II Transfer Vehicle (HTV) is berthed to the Harmony node?s nadir port.

Expedition 24 NASA Flight Engineer Shannon Walker, top, Expedition 24 NASA Flight Engineer Doug Wheelock, center, and Expedition 24 Soyuz Commander Fyodor Yurchikhin prepare to board their Soyuz TMA-19 spacecraft at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Wednesday, June 16, 2010. Walker, Wheelock and Yurchikhin launched in their Soyuz TMA-19 rocket from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010 at 3:35 a.m. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-19 rocket launches from the Baikonur Cosmodrome in Kazakhstan on Wednesday, June 16, 2010 carrying Expedition 24 NASA Flight Engineers Shannon Walker and Douglas Wheelock, and Soyuz Commander Fyodor Yurchikhin of Russia to the International Space Station. Their Soyuz TMA-19 rocket launched at 3:35 a.m Kazakhstan time. (Photo Credit: NASA/Carla Cioffi)

JSC2009-E-140106 (July 2009) --- Computer-generated artist?s rendering of the International Space Station as of July 2, 2009. Soyuz 18 (TMA-14) relocates to the Pirs Docking Compartment and Soyuz 19 (TMA-15) remains docked to the Zarya nadir port.

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

JSC2009-E-215174 (October 2009) --- Computer-generated artist?s rendering of the International Space Station as of Oct. 2, 2009. Soyuz 20 (TMA-16) docks to the Zvezda Service Module?s aft port, bringing NASA astronaut Jeffrey Williams, Expedition 21 flight engineer; Russian cosmonaut Maxim Suraev, Soyuz commander and flight engineer; and spaceflight participant Guy Laliberte. Soyuz 18 (TMA-14) is linked to the Pirs Docking Compartment and Soyuz 19 (TMA-15) remains docked to the Zarya nadir port. The Japanese H-II Transfer Vehicle (HTV) is berthed to the Harmony node?s nadir port.

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

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

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

The Soyuz TMA-11 capsule lays on its side on the Kazakh steppe, Friday, April 19, 2008. Expedition 16 Commander Peggy Whitson, Flight Engineer and Soyuz Commander Yuri Malenchenko and South Korean spaceflight participant So-yeon Yi landed their Soyuz TMA-11 spacecraft in central Kazakhstan to complete 192 days in space for Whitson and Malenchenko and 11 days in orbit for Yi. Photo Credit: (NASA/Reuters/Pool)

The Soyuz TMA-07M rocket launches from the Baikonur Cosmodrome in Kazakhstan on Wednesday, Dec. 19, 2012 carrying Expedition 34 NASA Flight Engineers Tom Marshburn, Soyuz Commander Roman Romanenko and Flight Engineer Chris Hadfield of the Canadian Space Agency (CSA) to the International Space Station. Their Soyuz TMA-07M rocket launched at 6:12 p.m. local time. 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)

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)

Expedition 43 NASA Astronaut Scott Kelly smiles during an Soyuz TMA-16M Trajectory and Flight Plan briefing, Thursday, March 19, 2015 at Cosmonaut Hotel in Baikonur, Kazakhstan. Kelly, and Russian Cosmonauts Gennady Padalka and Mikhail Kornienko of the Russian Federal Space Agency (Roscosmos) are preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan March 28, Kazakh time. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016. Photo Credit: (NASA/Bill Ingalls)

Expedition 43 Russian Cosmonaut Gennady Padalka of the Russian Federal Space Agency (Roscosmos) talks with an instructor during an Soyuz TMA-16M Trajectory and Flight Plan briefing, Thursday, March 19, 2015 at Cosmonaut Hotel in Baikonur, Kazakhstan. Padalka, Russian Cosmonaut Mikhail Kornienko of Roscosmos and NASA Astronaut Scott Kelly are preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan March 28, Kazakh time. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016. Photo Credit: (NASA/Bill Ingalls)

Expedition 43 Russian Cosmonaut Gennady Padalka of the Russian Federal Space Agency (Roscosmos) talks with an instructor during an Soyuz TMA-16M Trajectory and Flight Plan briefing, Thursday, March 19, 2015 at Cosmonaut Hotel in Baikonur, Kazakhstan. Padalka, Russian Cosmonaut Mikhail Kornienko of Roscosmos and NASA Astronaut Scott Kelly are preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan March 28, Kazakh time. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016. Photo Credit: (NASA/Bill Ingalls)

Expedition 43 NASA Astronaut Scott Kelly, left, and Russian Cosmonaut Gennady Padalka of the Russian Federal Space Agency (Roscosmos) are seen during an Soyuz TMA-16M Trajectory and Flight Plan briefing, Thursday, March 19, 2015 at Cosmonaut Hotel in Baikonur, Kazakhstan. Kelly, Padalka, and Russian Cosmonaut Mikhail Kornienko of Roscosmos are preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan March 28, Kazakh time. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016. Photo Credit: (NASA/Bill Ingalls)

Expedition 43 NASA Astronaut Scott Kelly, left, Russian Cosmonauts Gennady Padalka, 2nd from left, and Mikhail Kornienko of the Russian Federal Space Agency (Roscosmos) attend a Soyuz TMA-16M Trajectory and Flight Plan briefing, Thursday, March 19, 2015 at Cosmonaut Hotel in Baikonur, Kazakhstan. Kelly, Padalka, and Kornienko of Roscosmos are preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan March 28, Kazakh time. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016. Photo Credit: (NASA/Bill Ingalls)

Expedition 43 NASA Astronaut Scott Kelly, left, talks with Russian Cosmonaut Gennady Padalka of the Russian Federal Space Agency (Roscosmos) during an Soyuz TMA-16M Trajectory and Flight Plan briefing, Thursday, March 19, 2015 at Cosmonaut Hotel in Baikonur, Kazakhstan. Kelly, and Russian Cosmonauts Gennady Padalka, and Mikhail Kornienko of Roscosmos are preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan March 28, Kazakh time. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016. Photo Credit: (NASA/Bill Ingalls)

A view of the Soyuz rocket engines after engineers at the Baikonur Cosmodrome mated the Soyuz TMA-4 capsule with its booster rocket in preparation for a launch on April 19 of the Expedition 9 crew and a European astronaut to the International Space Station, Friday, April 16, 2004 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)