The Soyuz TMA-10M spacecraft departs after undocking from the ISS during Expedition 39. Image was released by astronaut on Twitter.

ISS037-E-002643 (25 Sept. 2013) --- The Soyuz TMA-10M spacecraft approaches the International Space Station, carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy. The Soyuz docked to the Poisk Mini-Research Module 2 (MRM2) at 10:45 p.m. (EDT) on Sept. 25, 2013.

ISS037-E-002670 (25 Sept. 2013) --- The Soyuz TMA-10M spacecraft approaches the International Space Station, carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy. The Soyuz docked to the Poisk Mini-Research Module 2 (MRM2) at 10:45 p.m. (EDT) on Sept. 25, 2013.

ISS037-E-002663 (25 Sept. 2013) --- The Soyuz TMA-10M spacecraft approaches the International Space Station, carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy. The Soyuz docked to the Poisk Mini-Research Module 2 (MRM2) at 10:45 p.m. (EDT) on Sept. 25, 2013.

ISS037-E-002667 (25 Sept. 2013) --- The Soyuz TMA-10M spacecraft approaches the International Space Station, carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy. The Soyuz docked to the Poisk Mini-Research Module 2 (MRM2) at 10:45 p.m. (EDT) on Sept. 25, 2013.

ISS037-E-002668 (25 Sept. 2013) --- The Soyuz TMA-10M spacecraft approaches the International Space Station, carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy. The Soyuz docked to the Poisk Mini-Research Module 2 (MRM2) at 10:45 p.m. (EDT) on Sept. 25, 2013.

ISS037-E-002664 (25 Sept. 2013) --- The Soyuz TMA-10M spacecraft approaches the International Space Station, carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy. The Soyuz docked to the Poisk Mini-Research Module 2 (MRM2) at 10:45 p.m. (EDT) on Sept. 25, 2013.

ISS037-E-002640 (25 Sept. 2013) --- The Soyuz TMA-10M spacecraft approaches the International Space Station, carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy. The Soyuz docked to the Poisk Mini-Research Module 2 (MRM2) at 10:45 p.m. (EDT) on Sept. 25, 2013.

ISS037-E-002661 (25 Sept. 2013) --- The Soyuz TMA-10M spacecraft approaches the International Space Station, carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy. The Soyuz docked to the Poisk Mini-Research Module 2 (MRM2) at 10:45 p.m. (EDT) on Sept. 25, 2013.

ISS037-E-002645 (25 Sept. 2013) --- The Soyuz TMA-10M spacecraft approaches the International Space Station, carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy. The Soyuz docked to the Poisk Mini-Research Module 2 (MRM2) at 10:45 p.m. (EDT) on Sept. 25, 2013.

ISS037-E-002665 (25 Sept. 2013) --- The Soyuz TMA-10M spacecraft approaches the International Space Station, carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy. The Soyuz docked to the Poisk Mini-Research Module 2 (MRM2) at 10:45 p.m. (EDT) on Sept. 25, 2013.

ISS037-E-002641 (25 Sept. 2013) --- The Soyuz TMA-10M spacecraft approaches the International Space Station, carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy. The Soyuz docked to the Poisk Mini-Research Module 2 (MRM2) at 10:45 p.m. (EDT) on Sept. 25, 2013.

ISS037-E-002669 (25 Sept. 2013) --- The Soyuz TMA-10M spacecraft approaches the International Space Station, carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy. The Soyuz docked to the Poisk Mini-Research Module 2 (MRM2) at 10:45 p.m. (EDT) on Sept. 25, 2013.

ISS039-E-000067 (11 March 2014) --- As photographed by one of the Expedition 39 crew members aboard the International Space Station, the Soyuz TMA-10M spacecraft heads toward Earth with the Expedition 38 crew aboard. Onboard the Soyuz were NASA astronaut Mike Hopkins and cosmonauts Oleg Kotov and Sergey Ryazanskiy. The trio had served 166 days in Earth orbit as members of the Expedition 37 and 38 crews.

ISS039-E-000143 (11 March 2014) --- As photographed by one of the Expedition 39 crew members aboard the International Space Station, the Soyuz TMA-10M spacecraft heads toward Earth with the Expedition 38 crew aboard. Onboard the Soyuz were NASA astronaut Mike Hopkins and cosmonauts Oleg Kotov and Sergey Ryazanskiy. The trio had served 166 days in Earth orbit as members of the Expedition 37 and 38 crews.

ISS039-E-000061 (11 March 2014) --- As photographed by one of the Expedition 39 crew members aboard the International Space Station, the Soyuz TMA-10M spacecraft heads toward Earth with the Expedition 38 crew aboard. Onboard the Soyuz were NASA astronaut Mike Hopkins and cosmonauts Oleg Kotov and Sergey Ryazanskiy. The trio had served 166 days in Earth orbit as members of the Expedition 37 and 38 crews.

ISS037-E-002684 (25 Sept. 2013) --- Russian cosmonaut Fyodor Yurchikhin, Expedition 37 commander, prepares to open the hatch between the Soyuz TMA-10M spacecraft and the International Space Station's Poisk Mini-Research Module 2 (MRM2) shortly after the Soyuz docked with the station, bringing Russian cosmonauts Oleg Kotov and Sergey Ryazanskiy, and NASA astronaut Michael Hopkins.

ISS039-E-000169 (11 March 2014) --- As photographed by one of the Expedition 39 crew members aboard the International Space Station, the Soyuz TMA-10M spacecraft heads toward Earth with the Expedition 38 crew aboard. Onboard the Soyuz were NASA astronaut Mike Hopkins and cosmonauts Oleg Kotov and Sergey Ryazanskiy. The trio had served 166 days in Earth orbit as members of the Expedition 37 and 38 crews.

The Soyuz TMA-10M rocket launches from the Baikonur Cosmodrome in Kazakhstan on Thursday, Sept. 26, 2013 carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergei Ryazansky to the International Space Station. Their Soyuz rocket launched at 2:58 a.m. local time. Photo Credit: (NASA/Carla Cioffi)

The Soyuz rocket and Soyuz TMA-10M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome, on Sunday, Sept. 22, 2013 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for September 26 and will send Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergei Ryazansky on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket and Soyuz TMA-10M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome, on Sunday, Sept. 22, 2013 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for September 26 and will send Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergei Ryazansky on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz rocket and Soyuz TMA-10M spacecraft are assembled at Building 112 on the Baikonur Cosmodrome, on Sunday, Sept. 22, 2013 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for September 26 and will send Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergei Ryazansky on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

Large gantry mechanisms on either side of the Soyuz TMA-10M spacecraft are raised into position to secure the rocket at the launch pad on Monday, Sept. 23, 2013 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for September 26 and will send Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergei Ryazansky on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-10M rocket launches from the Baikonur Cosmodrome in Kazakhstan on Thursday, Sept. 26, 2013 carrying Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergey Ryazanskiy to the International Space Station. Their Soyuz rocket launched at 2:58 a.m. local time. Photo Credit: (NASA/Carla Cioffi)

Large gantry mechanisms on either side of the Soyuz TMA-10M spacecraft are raised into position to secure the rocket at the launch pad on Monday, Sept. 23, 2013 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for September 26 and will send Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergei Ryazansky on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Large gantry mechanisms on either side of the Soyuz TMA-10M spacecraft are raised into position to secure the rocket at the launch pad on Monday, Sept. 23, 2013 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for September 26 and will send Expedition 37 Soyuz Commander Oleg Kotov, NASA Flight Engineer Michael Hopkins and Russian Flight Engineer Sergei Ryazansky on a five and a half-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

JSC2013-E-090733 (November 2013) --- Computer-generated artist?s rendering of the International Space Station as of Nov. 1, 2013. Soyuz 35 (TMA-09M) undocks from the Rassvet Mini-Research Module 1 (MRM1) and relocates to the Zvezda Service Module?s aft port. Soyuz 36 (TMA-10M) is docked to Poisk Mini-Research Module 2 (MRM2). Progress 52 resupply vehicle is linked to the Pirs Docking Compartment. Photo credit: NASA

ISS037-E-002744 (25 Sept. 2013) --- The new six-member Expedition 37 crew gathers in the Zvezda Service Module of the International Space Station for a welcoming ceremony shortly after the TMA-10M spacecraft docked with the station, bringing NASA astronaut Michael Hopkins (left, front row), Russian cosmonauts Oleg Kotov (center, front row) and Sergey Ryazanskiy (right, front row), all flight engineers. Pictured from the left (back row) are NASA astronaut Karen Nyberg, flight engineer; Russian cosmonaut Fyodor Yurchikhin, commander; and European Space Agency astronaut Luca Parmitano, flight engineer.

ISS037-E-002682 (25 Sept. 2013) --- Russian cosmonaut Fyodor Yurchikhin, Expedition 37 commander, wearing a communication headset, is pictured in the Poisk Mini-Research Module 2 (MRM2) of the International Space Station.

ISS037-E-002747 (25 Sept. 2013) --- The new six-member Expedition 37 crew gathers in the Zvezda Service Module of the International Space Station for a welcoming ceremony shortly after the TMA-10M spacecraft docked with the station, bringing NASA astronaut Michael Hopkins (left, front row), Russian cosmonauts Oleg Kotov (center, front row) and Sergey Ryazanskiy (right, front row), all flight engineers. Pictured from the left (back row) are NASA astronaut Karen Nyberg, flight engineer; Russian cosmonaut Fyodor Yurchikhin, commander; and European Space Agency astronaut Luca Parmitano, flight engineer.

ISS037-E-002699 (25 Sept. 2013) --- Russian cosmonaut Oleg Kotov, Expedition 37 flight engineer, prepares to enter the International Space Station's Poisk Mini-Research Module 2 (MRM2) shortly after the TMA-10M spacecraft docked with the station, bringing Kotov, Russian cosmonaut Sergey Ryazanskiy and NASA astronaut Michael Hopkins to the station.

In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Soyuz TMA-10M spacecraft is installed in the third stage of a Soyuz rocket Sept. 19. The Soyuz spacecraft will move to its launch pad Sept. 23 for final preparations for launch Sept. 26, Kazakh time, to carry Expedition 37/38 Flight Engineer Michael Hopkins of NASA, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy into orbit for the start of a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Soyuz TMA-10M spacecraft is lowered into place for its encapsulation in the third stage of a Soyuz rocket Sept. 19. The Soyuz spacecraft will move to its launch pad Sept. 23 for final preparations for launch Sept. 26, Kazakh time, to carry Expedition 37/38 Flight Engineer Michael Hopkins of NASA, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy into orbit for the start of a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Soyuz TMA-10M spacecraft is prepared for encapsulation into the third stage of a Soyuz booster rocket Sept. 19. The Soyuz spacecraft will move to its launch pad Sept. 23 for final preparations for launch Sept. 26, Kazakh time, to carry Expedition 37/38 Flight Engineer Michael Hopkins of NASA, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy into orbit for the start of a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, the Soyuz TMA-10M spacecraft is readied for its encapsulation in the third stage of a Soyuz rocket Sept. 19. The Soyuz spacecraft will move to its launch pad Sept. 23 for final preparations for launch Sept. 26, Kazakh time, to carry Expedition 37/38 Flight Engineer Michael Hopkins of NASA, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy into orbit for the start of a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

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

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

In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA (left), Soyuz Commander Oleg Kotov (center) and Flight Engineer Sergey Ryazanskiy (right) clasp hands in front of the first stage engines of the Soyuz booster rocket Sept. 20 as they completed a final “fit check” inspection of their Soyuz TMA-10M spacecraft. Hopkins, Kotov and Ryazanskiy are preparing for launch Sept. 26, Kazakh time, to begin a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

At the Baikonur Cosmodrome in Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA (left), Soyuz Commander Oleg Kotov (center) and Flight Engineer Sergey Ryazanskiy (right) walk past the Soyuz booster rocket Sept. 14 during a “fit check” dress rehearsal training exercise. The three crewmembers are preparing for launch Sept. 26, Kazakh time, from Baikonur on their Soyuz TMA-10M spacecraft to begin a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

Expedition 37/38 Soyuz Commander Oleg Kotov, right, and NASA Flight Engineer Michael Hopkins pose for a photo before having their Russian Sokol suits pressure checked ahead of their launch onboard a Soyuz TMA-10M spacecraft to the International Space Station, on Wednesday, Sept. 25, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send the Expedition 37/38 crewmates on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

At the Baikonur Cosmodrome in Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA runs through his procedures inside the Soyuz TMA-10M spacecraft Sept. 14 as part of a “fit check” dress rehearsal training exercise. Hopkins, Soyuz Commander Oleg Kotov and Flight Sergey Ryazanskiy are preparing for launch Sept. 26, Kazakh time, from Baikonur on their Soyuz vehicle to begin a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

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

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

Expedition 37/38 Soyuz Commander Oleg Kotov smiles as he awaits to have his Russian Sokol suit pressure checked ahead of his launch onboard a Soyuz TMA-10M spacecraft to the International Space Station, on Wednesday, Sept. 25, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send the Expedition 37/38 crewmates on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

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

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

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

Touring the Korolev Museum at the Baikonur Cosmodrome in Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA signs a wall mural depicting a Soyuz rocket Sept. 20 as he and his crewmates, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy completed a final “fit check” inspection of their Soyuz TMA-10M spacecraft. Hopkins, Kotov and Ryazanskiy are preparing for launch Sept. 26, Kazakh time, to begin a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

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

At the Gagarin Cosmonaut Training Center in Star City, Russia, Russian instructors monitor the performance of Expedition 37/38 Soyuz Commander Oleg Kotov, Flight Engineer Michael Hopkins of NASA and Flight Engineer Sergey Ryazanskiy Sept. 4 as they conducted a qualification exam in a Soyuz spacecraft simulator. The trio is in final training for launch on Sept. 26, Kazakh time, from the Baikonur Cosmodrome in Kazakhstan on the Soyuz TMA-10M spacecraft for a 5 ½ month mission on the International Space Station. NASA/Stephanie Stoll

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

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

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

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

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

At the Baikonur Cosmodrome in Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA is helped into his Russian Sokol launch and entry suit Sept. 14 for a “fit check” dress rehearsal training exercise. Hopkins, Soyuz Commander Oleg Kotov and Flight Sergey Ryazanskiy are preparing for launch Sept. 26, Kazakh time, from Baikonur on their Soyuz TMA-10M spacecraft to begin a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

At the Baikonur Cosmodrome in Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA flexes his arms during a pressure check of his Russian Sokol launch and entry suit Sept. 14 as part of a “fit check” dress rehearsal training exercise. Hopkins, Soyuz Commander Oleg Kotov and Flight Sergey Ryazanskiy are preparing for launch Sept. 26, Kazakh time, from Baikonur on their Soyuz TMA-10M spacecraft to begin a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

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

Under the watchful eye of backup crewmember Oleg Artemyev (rear), Expedition 37/38 Flight Engineer Michael Hopkins of NASA plays a game of billiards at the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan Sept. 18. Hopkins, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy are set to launch Sept. 26, Kazakh time, from the Baikonur Cosmodrome on their Soyuz TMA-10M spacecraft for a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA flashes a smile as he boards the Soyuz TMA-10M spacecraft Sept. 20. Hopkins and his crewmates, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy completed a final “fit check” dress rehearsal of procedures leading to their launch Sept. 26, Kazakh time, from Baikonur to begin a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

In the Integration Facility at the Baikonur Cosmodrome in Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA (left), Soyuz Commander Oleg Kotov (center) and Flight Engineer Sergey Ryazanskiy (right) pose for pictures in front of their Soyuz TMA-10M spacecraft Sept. 20 as they completed a final “fit check” dress rehearsal of procedures leading to their launch Sept. 26, Kazakh time, from Baikonur to begin a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

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

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

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

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

Expedition 37/38 prime Flight Engineer Michael Hopkins of NASA (right) exchanges information with his backup, Steve Swanson of NASA (left) after arriving with their crewmates in Baikonur, Kazakhstan on a flight from their training base outside of Moscow. Hopkins, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy will launch from the Baikonur Cosmodrome Sept. 26, Kazakh time, in the Soyuz TMA-10M spacecraft for a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

At his Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA conducts a series of chin up exercises Sept. 18. Hopkins, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy are set to launch Sept. 26, Kazakh time, from the Baikonur Cosmodrome on their Soyuz TMA-10M spacecraft for a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

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

Behind their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA (left) Soyuz Commander Oleg Kotov (center) and Flight Engineer Sergey Ryazanskiy (right) pose for pictures Sept. 18 as they enter the homestretch of their pre-flight training. Hopkins, Kotov and Ryazanskiy are set to launch Sept. 26, Kazakh time, from the Baikonur Cosmodrome on their Soyuz TMA-10M spacecraft for a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

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

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

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

At the Baikonur Cosmodrome in Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA (left), Soyuz Commander Oleg Kotov (center) and Flight Engineer Sergey Ryazanskiy (right) pose for pictures in front of their Soyuz TMA-10M spacecraft Sept. 14 during a “fit check” dress rehearsal training exercise. The three crewmembers are preparing for launch Sept. 26, Kazakh time, from Baikonur to begin a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

With assistance from crewmates Flight Engineer Sergey Ryazanskiy (left) and Soyuz Commander Oleg Kotov (right), Expedition 37/38 Flight Engineer Michael Hopkins of NASA (center) admires a tree planted in his name in traditional ceremonies behind the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan Sept. 18. Hopkins, Kotov and Ryazanskiy are set to launch Sept. 26, Kazakh time, from the Baikonur Cosmodrome on their Soyuz TMA-10M spacecraft for a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

Under the watchful eye of backup crewmember Oleg Artemyev (right), Expedition 37/38 Flight Engineer Michael Hopkins of NASA plays a game of badminton at the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan Sept. 18. Hopkins, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy are set to launch Sept. 26, Kazakh time, from the Baikonur Cosmodrome on their Soyuz TMA-10M spacecraft for a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

At his Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA engages in a round of weightlifting Sept. 18 as part of a media availability for reporters and photographers. Hopkins, Soyuz Commander Oleg Kotov and Flight Engineer Sergey Ryazanskiy are set to launch Sept. 26, Kazakh time, from the Baikonur Cosmodrome on their Soyuz TMA-10M spacecraft for a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

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

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

At the Baikonur Cosmodrome in Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA waves during a pressure check of his Russian Sokol launch and entry suit Sept. 14 as part of a “fit check” dress rehearsal training exercise. Hopkins, Soyuz Commander Oleg Kotov and Flight Sergey Ryazanskiy are preparing for launch Sept. 26, Kazakh time, from Baikonur on their Soyuz TMA-10M spacecraft to begin a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

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

ISS039-E-000027 (11 March 2014) --- In the Zvezda service module of the Earth-orbiting International Space Station, Expedition 39 Flight Engineer Mikhail Tyurin, a cosmonaut with Russia's Federal Space Agency, keeps track of the Soyuz TMA-10M spacecraft as it heads toward Earth with the Expedition 38 crew aboard. Onboard the Soyuz were NASA astronaut Mike Hopkins and cosmonauts Oleg Kotov and Sergey Ryazanskiy who had served 166 days in Earth orbit as members of the Expedition 37 and 38 crews.

Expedition 37/38 Flight Engineer Michael Hopkins of NASA (left), Soyuz Commander Oleg Kotov (center) and Flight Engineer Sergey Ryazanskiy (right) walk to ground transportation at an airport in Baikonur, Kazakhstan near the launch site at the Baikonur Cosmodrome Sept. 13 following a flight from their training base outside of Moscow. Hopkins, Kotov and Ryazanskiy will launch from Baikonur Sept. 26, Kazakh time, in the Soyuz TMA-10M spacecraft for a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA focuses on a piece of hardware Sept. 14 as part of a “fit check” dress rehearsal training exercise. Hopkins, Soyuz Commander Oleg Kotov and Flight Sergey Ryazanskiy are preparing for launch Sept. 26, Kazakh time, from Baikonur on their Soyuz TMA-10M spacecraft to begin a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 37/38 Flight Engineer Michael Hopkins of NASA hoists his Russian Sokol launch and entry suit into the air Sept. 14 as part of a “fit check” dress rehearsal training exercise. Hopkins, Soyuz Commander Oleg Kotov and Flight Sergey Ryazanskiy are preparing for launch Sept. 26, Kazakh time, from Baikonur on their Soyuz TMA-10M spacecraft to begin a five and a half month mission on the International Space Station. NASA/Victor Zelentsov

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

JSC2013-E-090731 (October 2013) --- Computer-generated artist?s rendering of the International Space Station as of Oct. 22, 2013. Orbital Sciences Cygnus cargo craft is unberthed from the Harmony node nadir port. Soyuz 36 (TMA-10M) is docked to Poisk Mini-Research Module 2 (MRM2). Progress 52 resupply vehicle is linked to the Pirs Docking Compartment. European Space Agency?s ?Albert Einstein? Automated Transfer Vehicle (ATV-4) cargo ship is docked to the Zvezda Service Module?s aft port. Soyuz 35 (TMA-09M) is attached to the Rassvet Mini-Research Module 1 (MRM1). Photo credit: NASA