After laying flowers at the Kremlin Wall in Moscow March 11, 2011 as part of their ceremonial activities, the Expedition 27 prime crew members posed for photographers in front of the Tsar Cannon at the Kremlin. From left to right are NASA astronaut Ron Garan, flight engineer; Russian cosmonaut Alexander Samokutyaev, Soyuz commander; and Russian cosmonaut Andrey Borisenko, flight engineer. The three will launch March 30 (Kazakhstan time) in their Soyuz TMA-21 spacecraft to the International Space Station. Photo credit: NASA/Mark Polansky

Expedition 27 backup crew members Anton Shklaperov, Anatoly Ivanishin and Daniel Burbank of NASA (far right), participate in a news conference held March 11, 2011 at the Gagarin Cosmonaut Training Center in Star City, Russia. The prime crew of Ron Garan, Andrey Borisenko and Alexander Samokutyaev will launch in the Soyuz TMA-21 spacecraft from the Baikonur Cosmodrome in Kazakhstan March 30 (Kazakhstan time) for a 5 ½ month stay on the International Space Station. Photo credit: NASA/Stephanie Stoll

JSC2011-E-025836 (11 March 2011) --- NASA astronaut Ron Garan, Expedition 27 flight engineer, participates in a news conference held March 11, 2011 at the Gagarin Cosmonaut Training Center in Star City, Russia. Garan, Andrey Borisenko and Alexander Samokutyaev (out of frame) will launch in the Soyuz TMA-21 spacecraft from the Baikonur Cosmodrome in Kazakhstan March 30 (Kazakhstan time) for a 5 ? month stay on the International Space Station. Photo credit: NASA/Stephanie Stoll

At the Kremlin Wall in Moscow March 11, 2011, Russian cosmonaut Andrey Borisenko lays flowers in honor of fallen icons as part of the ceremonial activities leading to the scheduled launch of Expedition 27 to the International Space Station, scheduled for March 30 (Kazakhstan time) in the Soyuz TMA-21 spacecraft. Photo credit: NASA/Mark Polansky

Expedition 27 prime crew members Ron Garan of NASA, and Russian cosmonauts Andrey Borisenko and Alexander Samokutyaev (far left), along with Expedition 27 backup crew members Anton Shklaperov, Anatoly Ivanishin and Daniel Burbank of NASA (far right), participate in a news conference held March 11, 2011 at the Gagarin Cosmonaut Training Center in Star City, Russia. Garan, Borisenko and Samokutyaev will launch in the Soyuz TMA-21 spacecraft from the Baikonur Cosmodrome in Kazakhstan March 30 (Kazakhstan time) for a 5 ½ month stay on the International Space Station. Photo credit: NASA/Stephanie Stoll

At the Kremlin Wall in Moscow March 11, 2011 (from the left to right) Expedition 27 backup crewmembers Daniel Burbank of NASA, and Russian cosmonauts Anton Shklaperov and Anatoly Ivanishin posed for photographers. The three had just lain flowers in honor of fallen Russian icons as part of the ceremonial activities leading to the launch March 30 (Kazakhstan time) of the Expedition 27 prime crew in their Soyuz TMA-21 spacecraft to the International Space Station. Photo credit: NASA/Mark Polansky

At the Kremlin Wall in Moscow March 11, 2011, NASA astronaut Ron Garan lays flowers in honor of fallen icons as part of the ceremonial activities leading to the scheduled launch of Expedition 27 to the International Space Station, scheduled for March 30 (Kazakhstan time) in the Soyuz TMA-21 spacecraft. Photo credit: NASA/Mark Polansky

Expedition 27 prime crew members Ron Garan of NASA, and Russian cosmonauts Andrey Borisenko and Alexander Samokutyaev (far left), along with Expedition 27 backup crew members Anton Shklaperov, Anatoly Ivanishin and Daniel Burbank of NASA (far right), participate in a photo opportunity after a news conference held March 11, 2011 at the Gagarin Cosmonaut Training Center in Star City, Russia. Garan, Borisenko and Samokutyaev will launch in the Soyuz TMA-21 spacecraft from the Baikonur Cosmodrome in Kazakhstan March 30 (Kazakhstan time) for a 5 ½ month stay on the International Space Station. Photo credit: NASA/Stephanie Stoll

Expedition 27 prime crew members Ron Garan of NASA, and Russian cosmonauts Andrey Borisenko and Alexander Samokutyaev (far left), along with Expedition 27 backup crew members Anton Shklaperov, Anatoly Ivanishin and Daniel Burbank of NASA (far right), participate in a news conference held March 11, 2011 at the Gagarin Cosmonaut Training Center in Star City, Russia. Garan, Borisenko and Samokutyaev will launch in the Soyuz TMA-21 spacecraft from the Baikonur Cosmodrome in Kazakhstan March 30 (Kazakhstan time) for a 5 ½ month stay on the International Space Station. Photo credit: NASA/Stephanie Stoll

At the Kremlin Wall in Moscow March 11, 2011, Russian cosmonaut Alexander Samokutyaev lays flowers in honor of fallen icons as part of the ceremonial activities leading to the scheduled launch of Expedition 27 to the International Space Station, scheduled for March 30 (Kazakhstan time) in the Soyuz TMA-21 spacecraft. Photo credit: NASA/Mark Polansky

At the Kremlin Wall in Moscow March 11, 2011 (from the left to right) NASA astronaut Ron Garan, Expedition 27 flight engineer; Russian cosmonaut Alexander Samokutyaev, Soyuz commander; and Russian cosmonaut Andrey Borisenko, flight engineer, posed for photographers. The three had just lain flowers in honor of fallen Russian icons as part of the ceremonial activities leading to their launch March 30 (Kazakhstan time) in their Soyuz TMA-21 spacecraft to the International Space Station. Photo credit: NASA/Mark Polansky

Expedition 27 prime crew members Ron Garan of NASA, and Russian cosmonauts Andrey Borisenko and Alexander Samokutyaev participate in a news conference held March 11, 2011 at the Gagarin Cosmonaut Training Center in Star City, Russia. Garan, Borisenko and Samokutyaev will launch in the Soyuz TMA-21 spacecraft from the Baikonur Cosmodrome in Kazakhstan March 30 (Kazakhstan time) for a 5 ½ month stay on the International Space Station. Photo credit: NASA/Stephanie Stoll

Against a backdrop of St. Basil’s Cathedral in Moscow March 11, 2011, (from left to right) Russian cosmonauts Alexander Samokutyaev, Andrey Borisenko and NASA astronaut Ron Garan prepare to lay flowers in a ceremonial tribute to Russian icons as part of activities leading to their launch March 30 (Kazakhstan time) in the Soyuz TMA-21 spacecraft from the Baikonur Cosmodrome to spend 5 ½ months on the International Space Station. Photo credit: NASA/Mark Polansky

Expedition 27 Russian cosmonauts Andrey Borisenko and Alexander Samokutyaev participate in a news conference held March 11, 2011 at the Gagarin Cosmonaut Training Center in Star City, Russia. Garan, Borisenko and Samokutyaev will launch in the Soyuz TMA-21 spacecraft from the Baikonur Cosmodrome in Kazakhstan March 30 (Kazakhstan time) for a 5 ½ month stay on the International Space Station. Photo credit: NASA/Stephanie Stoll

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

Expedition 27 NASA Flight Engineer Ron Garan, left, Expedition 27 Soyuz Commander Alexander Samokutyaev and Expedition 27 Flight Engineer Andrey Borisenko, third from left, depart the Cosmonaut Hotel on the evening before their Soyuz launch to the International Space Station Monday, April 4, 2011 in Baikonur, Kazakhstan. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. Photo Credit: (NASA/Victor Zelentsov)

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

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

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

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

The Soyuz TMA-21 spacecraft is lifted into position on the launch pad at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. The first stage of the Soyuz booster is emblazoned with the name “Gagarin” and the likeness of the first person to fly in space. Photo Credit (NASA/Carla Cioffi)

The Soyuz TMA-21 spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The launch of the Soyuz spacecraft with Expedition 27 Soyuz Commander Alexander Samokutyaev, NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko is scheduled for Tuesday, April 5, 2011. Photo Credit (NASA/Carla Cioffi)

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

Expedition 27 crew members NASA Flight Engineer Ron Garan, left, and Russian Flight Engineer Andrey Borisenko wave farewell to well wishers as they depart the Cosmonaut Hotel on the evening before their Soyuz launch to the International Space Station on Monday, April 4, 2011 in Baikonur, Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-21 spacecraft is seen on the launch pad at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The launch of the Soyuz spacecraft with Expedition 27 Soyuz Commander Alexander Samokutyaev, NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko is scheduled for Tuesday, April 5, 2011. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. The first stage of the Soyuz booster is emblazoned with the name “Gagarin” and the likeness of the first person to fly in space. Photo Credit (NASA/Carla Cioffi)

The Soyuz TMA-21 spacecraft is seen on the launch pad at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The launch of the Soyuz spacecraft with Expedition 27 Soyuz Commander Alexander Samokutyaev, NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko is scheduled for Tuesday, April 5, 2011. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. The first stage of the Soyuz booster is emblazoned with the name “Gagarin” and the likeness of the first person to fly in space. Photo Credit (NASA/Carla Cioffi)

Expedition 27 Russian Flight Engineer Andrey Borisenko, far right, Expedition 27 Soyuz Commander Alexander Samokutyaev and Expedition 27 NASA Flight Engineer Ron Garan, third from right, talk to Head of the Russian Federal Space Agency Anatoly Perminov, far left, prior to their launch on board the Soyuz TMA-21 spacecraft to the International Space Station, Tuesday, April 5, 2011 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. Photo Credit: (NASA/Victor Zelentsov)

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

Expedition 27 Russian Flight Engineer Andrey Borisenko awaits to have his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, April 5, 2011. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-21 spacecraft is seen shortly after arriving at the launch pad Saturday, April 2, 2011 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. The first stage of the Soyuz booster is emblazoned with the name “Gagarin” and the likeness of the first person to fly in space. Photo Credit (NASA/Carla Cioffi)

Expedition 27 NASA Flight Engineer Ron Garan, left, Expedition 27 Soyuz Commander Alexander Samokutyaev and Expedition 27 Flight Engineer Andrey Borisenko, third from left, walk out to salute Head of the Russian Federal Space Agency Anatoly Perminov at the Baikonur Cosmodrome prior to their launch onboard the Soyuz TMA-21 to the International Space Station (ISS), Tuesday, April 5, 2011 in Kazakhstan. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz TMA-21 spacecraft is seen on the launch pad at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The launch of the Soyuz spacecraft with Expedition 27 Soyuz Commander Alexander Samokutyaev, NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko is scheduled for Tuesday, April 5, 2011. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. The first stage of the Soyuz booster is emblazoned with the name “Gagarin” and the likeness of the first person to fly in space. Photo Credit (NASA/Carla Cioffi)

The Soyuz TMA-21 spacecraft is lifted into position on the launch pad at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. The first stage of the Soyuz booster is emblazoned with the name “Gagarin” and the likeness of the first person to fly in space. Photo Credit (NASA/Carla Cioffi)

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

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

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

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

Expedition 27 NASA Flight Engineer Ron Garan, left, Expedition 27 Soyuz Commander Alexander Samokutyaev and Expedition 27 Flight Engineer Andrey Borisenko, right, talk to officials prior to their launch on board the Soyuz TMA-21 spacecraft to the International Space Station, Tuesday, April 5, 2011 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. Photo Credit: (NASA/Victor Zelentsov)

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

The Soyuz launch pad is seen in the distance in the early morning hours at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The launch of the Soyuz spacecraft with Expedition 27 Soyuz Commander Alexander Samokutyaev, NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko is scheduled for Tuesday, April 5, 2011. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-21 spacecraft is seen shortly after arriving at the launch pad Saturday, April 2, 2011 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. The first stage of the Soyuz booster is emblazoned with the name “Gagarin” and the likeness of the first person to fly in space. Photo Credit (NASA/Carla Cioffi)

Expedition 27 Russian Flight Engineer Andrey Borisenko, far right, Expedition 27 Soyuz Commander Alexander Samokutyaev and Expedition 27 NASA Flight Engineer Ron Garan, third from right, talk to Mike Suffredini, Manager, International Space Station (ISS) Program, far left, prior to their launch on board the Soyuz TMA-21 spacecraft to the International Space Station, Tuesday, April 5, 2011 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz TMA-21 spacecraft is seen on the launch pad at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The launch of the Soyuz spacecraft with Expedition 27 Soyuz Commander Alexander Samokutyaev, NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko is scheduled for Tuesday, April 5, 2011. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. The first stage of the Soyuz booster is emblazoned with the name “Gagarin” and the likeness of the first person to fly in space. Photo Credit (NASA/Carla Cioffi)

The Soyuz TMA-21 spacecraft is seen shortly after arriving at the launch pad Saturday, April 2, 2011 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. The first stage of the Soyuz booster is emblazoned with the name “Gagarin” and the likeness of the first person to fly in space. Photo Credit (NASA/Carla Cioffi)

The Soyuz TMA-21 spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The launch of the Soyuz spacecraft with Expedition 27 Soyuz Commander Alexander Samokutyaev, NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko is scheduled for Tuesday, April 5, 2011. Photo Credit (NASA/Carla Cioffi)

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

Expedition 27 Ron Garan, left, receives the traditional blessing from a Russian Orthodox priest at the Cosmonaut Hotel on the evening before his Soyuz launch to the International Space Station on Monday, April 4, 2011 in Baikonur, Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-21 spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The launch of the Soyuz spacecraft with Expedition 27 Soyuz Commander Alexander Samokutyaev, NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko is scheduled for Tuesday, April 5, 2011. Photo Credit (NASA/Carla Cioffi)

The Soyuz TMA-21 spacecraft is seen shortly after arriving at the launch pad Saturday, April 2, 2011 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. The first stage of the Soyuz booster is emblazoned with the name “Gagarin” and the likeness of the first person to fly in space. Photo Credit (NASA/Carla Cioffi)

Expedition 27 NASA Flight Engineer Ron Garan awaits to have his Russian Sokol suit prepared for launch by a technician at the Baikonur Cosmodrome in Baikonur, Kazakhstan, Tuesday, April 5, 2011. Photo Credit: (NASA/Carla Cioffi)

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

The Soyuz TMA-21 spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The launch of the Soyuz spacecraft with Expedition 27 Soyuz Commander Alexander Samokutyaev, NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko is scheduled for Tuesday, April 5, 2011. Photo Credit (NASA/Carla Cioffi)

Expedition 27 NASA Flight Engineer Ron Garan, left, Expedition 27 Soyuz Commander Alexander Samokutyaev and Expedition 27 Flight Engineer Andrey Borisenko, third from left, walk out to salute Head of the Russian Federal Space Agency Anatoly Perminov, far right, at the Baikonur Cosmodrome prior to their launch onboard the Soyuz TMA-21 to the International Space Station (ISS), Tuesday, April 5, 2011 in Kazakhstan. Photo Credit: (NASA/Victor Zelentsov)

The Soyuz TMA-21 spacecraft is seen on the launch pad at the Baikonur Cosmodrome in Kazakhstan, Saturday, April 2, 2011. The launch of the Soyuz spacecraft with Expedition 27 Soyuz Commander Alexander Samokutyaev, NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko is scheduled for Tuesday, April 5, 2011. The Soyuz, which has been dubbed “Gagarin”, is launching one week shy of the 50th anniversary of the launch of Yuri Gagarin from the same launch pad in Baikonur on April 12, 1961 to become the first human to fly in space. The first stage of the Soyuz booster is emblazoned with the name “Gagarin” and the likeness of the first person to fly in space. Photo Credit (NASA/Carla Cioffi)

The Soyuz rocket is seen as the service structure is closed around it at the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen after the service structure was closed around it at the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen as it is raised into the vertical position at the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

In this image taken with a circular fisheye lens, the Soyuz rocket is seen as it is raised into a vertical position after being rolled out by train to the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen as it is raised into the vertical position at the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen as it is raised into the vertical position at the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen inside the integration building before it is rolled out by train to the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen as it is raised into the vertical position at the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen as the service structure is closed around it at the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is rolled out by train to the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is as it arrives at the launch pad at Site 31 after being rolled out by train, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is is seen at the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen as the service structure is closed around it at the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen as it is raised into the vertical position at the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen as it is raised into the vertical position at the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

In this image taken with a circular fisheye lens, the Soyuz rocket is seen as it is raised into a vertical position after being rolled out by train to the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

In this image taken with a circular fisheye lens, the Soyuz rocket is seen as it is raised into a vertical position after being rolled out by train to the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

Workers are seen in a gantry around the Soyuz rocket as the service structure is closed around it at the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

Workers prepare the Soyuz rocket to be raised into the vertical position after it was rolled out by train to the launch pad at Site 31, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

The Soyuz rocket is seen at the launch pad at Site 31 after being rolled out by train, Saturday, April 5, 2025, at the Baikonur Cosmodrome in Kazakhstan. Expedition 73 crewmembers: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

Expedition 27 Russian Flight Engineer Andrey Borisenko, sitting far left, smiles as NASA Flight Engineer Ron Garan flashes the peace sign to friends and family as they await to have their Russian Sokol suits prepared for launch on April 5, 2011 at the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

Expedition 27 NASA Flight Engineer Ron Garan, sitting right, smiles to friends and family while Soyuz Commander Alexander Samokutyaev checks his Russian Sokol Suit the morning of their launch on Tuesday, April 5, 2011 at the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

The crew of Expedition 27 Russian Flight Engineer Andrey Borisenko, sitting far left, Soyuz Commander Alexander Samokutyaev and NASA Flight Engineer Ron Garan, sitting far right, are seen after having their Russian Sokol suits prepared for launch on the morning of Tuesday, April 5, 2011 at the Baikonur Cosmodrome in Kazakhstan. Russian backup crew members Anatoly Ivanishin, far left, and Anton Shkaplerov are seen standing behind the prime crew. Photo Credit: (NASA/Carla Cioffi)

Expedition 27 Russian Flight Engineer Andrey Borisenko, left, and Soyuz Commander Alexander Samokutyaev have a word after having their Russian Sokol suits prepared for launch on the morning of Tuesday, April 5, 2011 at the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Carla Cioffi)

NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, right, speak to Roscosmos Director General Dmitry Bakanov before boarding the Soyuz MS-27 spacecraft for launch, Tuesday, April 8, 2025 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send the trio on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Dana Weigel, NASA International Space Station Program Manager, left, and Ken Bowersox, associate administrator for for NASA's Space Operations Mission Directorate, right, are seen as they walk NASA astronaut Jonny Kim to the base of the Soyuz rocket to board the Soyuz MS-27 spacecraft for launch, Tuesday, April 8, 2025 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send the trio of Kim, Ryzhikov, Zubritskiy on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Roscosmos cosmonaut Sergey Ryzhikov, bottom, NASA astronaut Jonny Kim, middle, and Roscosmos cosmonaut Alexey Zubritskiy, top, wave farewell prior to boarding the Soyuz MS-27 spacecraft for launch, Tuesday, April 8, 2025 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send the trio on a mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)