
ISS033-E-005112 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

ISS033-E-005138 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

ISS033-E-005131 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

ISS033-E-005166 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

ISS033-E-005123 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

ISS033-E-005180 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

ISS033-E-005115 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

ISS033-E-005187 (16 Sept. 2012) --- The Soyuz TMA-04M spacecraft departs from the International Space Station and heads toward a landing in a remote area outside of the town of Arkalyk, Kazakhstan, on Sept. 17, 2012 (Kazakhstan time). Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin are returning from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews.

View from the balcony of the Russian Mission Control Center in Korolev, Russia a little more than an hour before the planned docking of the Soyuz TMA-04M to the International Space Station on Thursday, May 17, 2012. Onboard the soyuz spacecraft are Expedition 31 Soyuz Commander Gennady Padalka, Flight Engineer Sergei Revin, and NASA Flight Engineer Joe Acaba. The crew of three launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15 from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

Russian flight controllers at the Russian Mission Control Center in Korolev, Russia monitor the Soyuz TMA-04M as it docks to the International Space Station on Thursday, May 17, 2012. Onboard the soyuz spacecraft are Expedition 31 Soyuz Commander Gennady Padalka, Flight Engineer Sergei Revin, and NASA Flight Engineer Joe Acaba. The crew of three launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15 from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

View from the balcony of the Russian Mission Control Center in Korolev, Russia a little more than an hour before the planned docking of the Soyuz TMA-04M to the International Space Station on Thursday, May 17, 2012. Onboard the soyuz spacecraft are Expedition 31 Soyuz Commander Gennady Padalka, Flight Engineer Sergei Revin, and NASA Flight Engineer Joe Acaba. The crew of three launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15 from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

View from the balcony of the Russian Mission Control Center shows the Expedition 31 crew portrait along with a timeline of Soyuz TMA-04M docking events on Thursday, May 17, 2012, in Korolev, Russia. The Soyuz docked to the International Space Station at 8:36 a.m. Moscow time with Expedition 31 Soyuz Commander Gennady Padalka, Flight Engineer Sergei Revin, and NASA Flight Engineer Joe Acaba two days after they launched from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

A television screen as seen from the balcony of the Russian Mission Control Center in Korolev, Russia shows the Soyuz TMA-04M as it docks to the International Space Station on Thursday, May 17, 2012. Onboard the soyuz spacecraft are Expedition 31 Soyuz Commander Gennady Padalka, Flight Engineer Sergei Revin, and NASA Flight Engineer Joe Acaba. The crew of three launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15 from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

The family of Expedition 31 Flight Engineer Joe Acaba applauds as they watch the docking of the Soyuz TMA-04M spacecraft on the TV screen at the Russian Mission Control Center in Korolev, Russia, Thursday, May 17, 2012. The Soyuz docked to the International Space Station with Acaba and fellow crew members, Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin two days after they launched from the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

The family of Expedition 31 Flight Engineer Joe Acaba sings happy birthday to him from the Russian Mission Control Center in Korolev, Russia, Thursday, May 17, 2012. Acaba, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin, docked their Soyuz TMA-04M spacecraft to the space station at 8:36 a.m. Moscow time, two days after they launched from the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 31 Flight Engineer Joe Acaba is seen on the TV screen at the Russian Mission Control Center in Korolev, Russia a few hours after the Soyuz TMA-04M docked to the International Space Station with Acaba and fellow crew members, Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin on Thursday, May 17, 2012. The crew of three launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15 from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

NASA Director of Human Space Flight Program in Russia Joel Montalbano talks on the phone to the crew of Expedition 31, who are onboard the International Space Station, from the Russian Mission Control Center, Thursday, May 17, 2012 in Korolev, Russia. Expedition 31 Soyuz Commander Gennady Padalka, Flight Engineer Sergei Revin, and NASA Flight Engineer Joe Acaba docked their soyuz TMA-04M spacecraft to the space station at 8:36 a.m. Moscow time two days after they launched from the Baikonur Cosmodrome in Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-04M rocket launches from the Baikonur Cosmodrome in Kazakhstan on Tuesday, May 15, 2012 carrying Expedition 31 Soyuz Commander Gennady Padalka, NASA Flight Engineer Joseph Acaba and Flight Engineer Sergei Revin to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-04M rocket launches from the Baikonur Cosmodrome in Kazakhstan on Tuesday, May 15, 2012 carrying Expedition 31 Soyuz Commander Gennady Padalka, NASA Flight Engineer Joseph Acaba and Flight Engineer Sergei Revin to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-04M rocket launches from the Baikonur Cosmodrome in Kazakhstan on Tuesday, May 15, 2012 carrying Expedition 31 Soyuz Commander Gennady Padalka, NASA Flight Engineer Joseph Acaba and Flight Engineer Sergei Revin to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-04M rocket launches from the Baikonur Cosmodrome in Kazakhstan on Tuesday, May 15, 2012 carrying Expedition 31 Soyuz Commander Gennady Padalka, NASA Flight Engineer Joseph Acaba and Flight Engineer Sergei Revin to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-04M rocket launches from the Baikonur Cosmodrome in Kazakhstan on Tuesday, May 15, 2012 carrying Expedition 31 Soyuz Commander Gennady Padalka, NASA Flight Engineer Joseph Acaba and Flight Engineer Sergei Revin to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-04M rocket launches from the Baikonur Cosmodrome in Kazakhstan on Tuesday, May 15, 2012 carrying Expedition 31 Soyuz Commander Gennady Padalka, NASA Flight Engineer Joseph Acaba and Flight Engineer Sergei Revin to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-04M rocket launches from the Baikonur Cosmodrome in Kazakhstan on Tuesday, May 15, 2012 carrying Expedition 31 Soyuz Commander Gennady Padalka, NASA Flight Engineer Joseph Acaba and Flight Engineer Sergei Revin to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

View from the balcony of the Russian Mission Control Center shows live television of the Expedition 31 crew members gathered together on the International Space Station a few hours after the Soyuz TMA-04M spacecraft docked on Thursday, May 17, 2012, in Korolev, Russia. Pictured are Expedition 31 crew members NASA Flight Engineer Don Pettit, back left, Oleg Kononenko of Russia, ESA (European Space Agency) astronaut and Flight Engineer Andre Kuipers, back right, Flight Engineer Sergei Revin, front left, Soyuz Commander Gennady Padalka, and Flight Engineer Joe Acaba, bottom right. Padalka, Revin and Acaba's arrival to the International Space Station comes two days after they launched from the Baikonur Cosmodrome in Kazakhstan. Photo Credit (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is rolled out by train to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

Members of the media photograph the Soyuz TMA-04M rocket launch from the Baikonur Cosmodrome in Kazakhstan on Tuesday, May 15, 2012. Heading to the International Space Station onboard the soyuz are Expedition 31 Soyuz Commander Gennady Padalka, NASA Flight Engineer Joseph Acaba and Flight Engineer Sergei Revin. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is seen moments before being raised at launch pad one of the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is rolled out by train o the launch pad at the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is rolled out by train to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is rolled out by train to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

Russian security team members stop to take a photo as the Soyuz TMA-04M spacecraft is rolled out by train to launch pad one at the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is rolled out by train to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is rolled out by train on its way to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

The Soyuz TMA-04M rocket boosters are seen being jettisoned during the launch from the Baikonur Cosmodrome in Kazakhstan on Tuesday, May 15, 2012. Expedition 31 Soyuz Commander Gennady Padalka, NASA Flight Engineer Joseph Acaba and Flight Engineer Sergei Revin were launched to the International Space Station at 9:01am Kazakhstan time. Photo Credit: (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is seen as it lands with Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin in a remote area near the town of Arkalyk, Kazakhstan, on Monday, September 17, 2012. Padalka, Acaba and Revin returned from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-04M spacecraft is seen as it lands with Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin in a remote area near the town of Arkalyk, Kazakhstan, on Monday, September 17, 2012. Padalka, Acaba and Revin returned from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-04M spacecraft is seen following its landing with Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin in a remote area near the town of Arkalyk, Kazakhstan, on Monday, September 17, 2012. Padalka, Acaba and Revin returned from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-04M spacecraft is seen as it lands with Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin in a remote area near the town of Arkalyk, Kazakhstan, on Monday, September 17, 2012. Padalka, Acaba and Revin returned from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews. Photo Credit: (NASA/Carla Cioffi)

Russian support personnel are seen as they access the crew of the Soyuz TMA-04M capsule shortly after it landed with Expedition 32 Commander Gennady Padalka of Russia and Flight Engineers Joe Acaba of NASA and Sergei Revin of Russia in a remote area near the town of Arkalyk, Kazakhstan, on Monday, Sept. 17, 2012. Padalka, Acaba and Revin returned from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-04M spacecraft is seen as it lands with Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin in a remote area near the town of Arkalyk, Kazakhstan, on Monday, September 17, 2012. Padalka, Acaba and Revin returned from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-04M spacecraft is seen as it lands with Expedition 32 Commander Gennady Padalka of Russia, NASA Flight Engineer Joe Acaba and Russian Flight Engineer Sergei Revin in a remote area near the town of Arkalyk, Kazakhstan, on Monday, September 17, 2012. Padalka, Acaba and Revin returned from five months onboard the International Space Station where they served as members of the Expedition 31 and 32 crews. Photo Credit: (NASA/Carla Cioffi)

The Soyuz TMA-04M spacecraft is seen in silhouette after being rolled out by train to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is seen after being rolled out by train to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is seen after being rolled out by train to the launch pad at the Baikonur Cosmodrome in Kazakhstan, Sunday, May 13, 2012. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

The Soyuz TMA-04M spacecraft is raised into position at launch pad ne, Sunday, May 13, 2012. at the Baikonur Cosmodrome in Kazakhstan. The launch of the Soyuz spacecraft with Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin of Russia, and prime NASA Flight Engineer Joe Acaba is scheduled for 9:01 a.m. local time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

ISS031-E-081649 (17 May 2012) --- Russian cosmonauts Gennady Padalka (background) and Sergei Revin, both Expedition 31 flight engineers, are pictured in the Harmony node of the International Space Station shortly after Padalka, Revin and NASA astronaut Joe Acaba (not pictured) docked with the space station in their Soyuz TMA-04M spacecraft.

At the Baikonur Cosmodrome in Kazakhstan, the Soyuz TMA-04M spacecraft is rotated to a horizontal position as technicians monitor the operation May 8, 2012 for the vehicle’s encapsulation into the Soyuz booster upper stage in advance of the launching of three new crewmembers to the International Space Station. The Soyuz will carry Soyuz Commander Gennady Padalka, NASA Flight Engineer Joe Acaba and Flight Engineer Sergei Revin to the orbital complex on May 15 for a four-month mission. The Soyuz will rollout to its launch pad in Baikonur on May 13. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, technicians monitor the encapsulation of the Soyuz TMA-04M spacecraft into its Soyuz booster upper stage May 8, 2012 in advance of the launching of three new crewmembers to the International Space Station. The Soyuz will carry Soyuz Commander Gennady Padalka, NASA Flight Engineer Joe Acaba and Flight Engineer Sergei Revin to the orbital complex on May 15 for a four-month mission. The Soyuz will rollout to its launch pad in Baikonur on May 13. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, the Soyuz TMA-04M spacecraft stands poised in its integration facility May 8, 2012 ready to be enshrouded in the upper stage of the rocket that will launch it and three new crewmembers to the International Space Station. The Soyuz will carry Soyuz Commander Gennady Padalka, NASA Flight Engineer Joe Acaba and Flight Engineer Sergei Revin to the orbital complex on May 15 for a four-month mission. The Soyuz will rollout to its launch pad in Baikonur on May 13. NASA/Victor Zelentsov

Expedition 31 Flight Engineer Sergei Revin of Russia adjust his watch shirtly after donning his Russian Sokol suit in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Revin, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Joe Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Flight Engineer Joe Acaba, left, Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin, right, don their Russian Sokol suits ahead of their launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Padalka, Revin, and Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Flight Engineer Joe Acaba waits to have his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Acaba, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Flight Engineer Sergei Revin of Russia dons his Russian Sokol suit in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Revin, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Joe Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Soyuz Commander Gennady Padalka smiles after having his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Padalka, Flight Engineer Sergei Revin, and Expedition 31 Flight Engineer Joe Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Soyuz Commander Gennady Padalka, left, Flight Engineer Sergei Revin, and Flight Engineer Joe Acaba, right, talk with family members after having their Russian Sokol suits pressure checked in preparation for their launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Padalka, Revin, and Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Flight Engineer Sergei Revin has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Revin, Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Joe Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Soyuz Commander Gennady Padalka lies in a chair to have his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Padalka, Flight Engineer Sergei Revin and Flight Engineer Joe Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Flight Engineer Joe Acaba has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Acaba, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Flight Engineer Sergei Revin sits down to have his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Revin, Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Joe Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Flight Engineer Sergei Revin of Russia dons his Russian Sokol suit in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Revin, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Joe Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Flight Engineer Joe Acaba dons his Russian Sokol suit in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Acaba, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Flight Engineer Joe Acaba has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Acaba, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Flight Engineer Joe Acaba dons his Russian Sokol suit in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Acaba, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Flight Engineer Sergei Revin sits down to have his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Revin, Expedition 31 Soyuz Commander Gennady Padalka and Flight Engineer Joe Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Soyuz Commander Gennady Padalka, left, and Flight Engineer Sergei Revin talk as technicians assist with donning the Russian Sokol suits ahead of their launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Padalka, Revin, and Flight Engineer Joe Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Flight Engineer Joe Acaba, left, Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin, right, don their Russian Sokol suits ahead of their launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Padalka, Revin, and Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Soyuz Commander Gennady Padalka has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Padalka, Flight Engineer Sergei Revin and Flight Engineer Joe Acaba onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Flight Engineer Joe Acaba has his Russian Sokol suit pressure checked in preparation for his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Acaba, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 31 Flight Engineer Joe Acaba waves to family and friends as he waits to have his Russian Sokol suit pressure checked prior to his launch onboard the Soyuz TMA-04M on Tuesday, May 15, 2012 at the Baikonur Cosmodrome in Kazakhstan. The Soyuz spacecraft with Acaba, Expedition 31 Soyuz Commander Gennady Padalka, and Flight Engineer Sergei Revin onboard, launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit: (NASA/GCTC/Andrey Shelepin)

At the Baikonur Cosmodrome in Kazakhstan, Expedition 31/32 Flight Engineer Joe Acaba of NASA boards the Soyuz TMA-04M spacecraft in its assembly building May 11, 2012, as he, Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin completed their final inspection of the vehicle prior to their launch May 15 to begin a four-months mission on the International Space Station. NASA/Victor Zelentsov

NASA flight engineer Joe Acaba is seen training in a mockup of the International Space Station Zvezda service module, Monday, April 23, 2012 at the Gagarin Cosmonaut Training Center in Star City, Russia. Acaba, Soyuz commander Gennady Padalk and flight engineer Sergei Revin are set to launch May 15 from the Baikonur Cosmodrome in their Soyuz TMA-04M spacecraft to the International Space Station. Photo Credit: (NASA/Carla Cioffi)

(26 April 2012) -- At the headquarters of the Russian Federal Space Agency, Expedition 31 Soyuz Commander Gennady Padalka (left), flight engineer Sergei Revin and NASA Flight Engineer Joe Acaba field questions from Roscosmos officials April 26, 2012 prior to their departure May 2 for their launch site in Baikonur, Kazakhstan. Padalka, Revin and Acaba are scheduled to launch to the International Space Station May 15 in their Soyuz TMA-04M spacecraft. Photo credit: NASA

At the Baikonur Cosmodrome in Kazakhstan, the next trio of crewmembers bound for the International Space Station pose in front of the hatchway to their Soyuz TMA-04M spacecraft May 11, 2012 as they completed their final “fit check” inspection of the vehicle in its assembly building prior to launch. Expedition 31/32 Flight Engineer Sergei Revin (left), Soyuz Commander Gennady Padalka (center) and NASA Flight Engineer Joe Acaba (right) will liftoff from Baikonur May 15 to begin a four-month mission on the orbital complex. NASA/Victor Zelentsov

Flight controllers and Flight Director Chris Edelen in the FCR-1 during NASA astronaut Joseph Acaba, flight engineer, and his two Russian crewmates, Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin, on board the Soyuz TMA-04M spacecraft docking to the space station's Rassvet module at 11:38 p.m. Photo Date: May 16, 2012. Location: Building 30 - FCR1. Photographer: Robert Markowitz

Flight controllers and Flight Director Chris Edelen in the FCR-1 during NASA astronaut Joseph Acaba, flight engineer, and his two Russian crewmates, Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin, on board the Soyuz TMA-04M spacecraft docking to the space station's Rassvet module at 11:38 p.m. Photo Date: May 16, 2012. Location: Building 30 - FCR1. Photographer: Robert Markowitz

(25 April 2012) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, outside Moscow, Expedition 31 Soyuz commander Gennady Padalka signs a traditional cosmonauts' log at the site's Yuri Gagarin museum. Padalka, along with NASA astronaut Joe Acaba, and cosmonaut Sergei Revin (not pictured) are preparing for the launch May 15 that will take them to the International Space Station on the Soyuz TMA-04M spacecraft from the Baikonur Cosmodrome in Kazakhstan. Photo credit: NASA/Stephanie Stoll

At the Baikonur Cosmodrome in Kazakhstan, Expedition 31/32 Flight Engineer Joe Acaba of NASA looks up at the control panel aboard his Soyuz TMA-04M spacecraft May 3, 2012 during a suited “fit check” dress rehearsal of launch day activities in advance of his launch May 15 along with Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin to the International Space Station. Acaba, Padalka and Revin will spend four months aboard the orbital outpost. NASA/Victor Zelentsov

Behind the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 31/32 Flight Engineer Joe Acaba of NASA waters a tree he planted in his name in a traditional ceremony May 10, 2012 as he took a break from training for his launch on the Soyuz TMA-04M spacecraft on May 15 from the Baikonur Cosmodrome with Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin to begin a four-month mission on the International Space Station. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, Expedition 31/32 Flight Engineer Joe Acaba of NASA flashes a smile as he climbs aboard his Soyuz TMA-04M spacecraft May 3, 2012 during a suited “fit check” dress rehearsal of launch day activities in advance of his launch May 15 along with Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin to the International Space Station. Acaba, Padalka and Revin will spend four months aboard the orbital outpost. NASA/Victor Zelentsov

(2 May, 2012) --- At the Gagarin Cosmonaut Training Center at Star City, Russia on May 2, 2012, Expedition 31 Soyuz Commander Gennady Padalka kisses his granddaughter goodbye as his one of his daughters, left, looks on. Padalka, along with flight engineers Joe Acaba of NASA and cosmonaut Sergei Revin, flew to their launch site at the Baikonur Cosmodrome in Kazakhstan for final preparations for their launch to the International Space Station on May 15 in their Soyuz TMA-04M spacecraft. NASA/Stephanie Stoll

Flight controllers and Flight Director Chris Edelen in the FCR-1 during NASA astronaut Joseph Acaba, flight engineer, and his two Russian crewmates, Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin, on board the Soyuz TMA-04M spacecraft docking to the space station's Rassvet module at 11:38 p.m. Photo Date: May 16, 2012. Location: Building 30 - FCR1. Photographer: Robert Markowitz

(2 May, 2012) --- At the Gagarin Cosmonaut Training Center at Star City, Russia on May 2, 2012, the prime crew members who will round out Expedition 31 on the International Space Station prepare for their farewell sendoff to the Baikonur Cosmodrome in Kazakhstan. From left to right are Flight Engineer Sergei Revin, Soyuz Commander Gennady Padalka, and NASA Flight Engineer Joe Acaba. The three are scheduled to launch to the space station on May 15 in their Soyuz TMA-04M spacecraft. NASA/Stephanie Stoll

Flight controllers and Flight Director Chris Edelen in the FCR-1 during NASA astronaut Joseph Acaba, flight engineer, and his two Russian crewmates, Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin, on board the Soyuz TMA-04M spacecraft docking to the space station's Rassvet module at 11:38 p.m. Photo Date: May 16, 2012. Location: Building 30 - FCR1. Photographer: Robert Markowitz

Flight controllers and Flight Director Chris Edelen in the FCR-1 during NASA astronaut Joseph Acaba, flight engineer, and his two Russian crewmates, Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin, on board the Soyuz TMA-04M spacecraft docking to the space station's Rassvet module at 11:38 p.m. Photo Date: May 16, 2012. Location: Building 30 - FCR1. Photographer: Robert Markowitz

NASA flight engineer Joe Acaba is seen training in a mockup of the International Space Station Zvezda service module, Monday, April 23, 2012 at the Gagarin Cosmonaut Training Center in Star City, Russia. Acaba, Soyuz commander Gennady Padalk and flight engineer Sergei Revin are set to launch May 15 from the Baikonur Cosmodrome in their Soyuz TMA-04M spacecraft to the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Flight controllers and Flight Director Chris Edelen in the FCR-1 during NASA astronaut Joseph Acaba, flight engineer, and his two Russian crewmates, Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin, on board the Soyuz TMA-04M spacecraft docking to the space station's Rassvet module at 11:38 p.m. Photo Date: May 16, 2012. Location: Building 30 - FCR1. Photographer: Robert Markowitz

At the Baikonur Cosmodrome in Kazakhstan, Expedition 31/32 Flight Engineer Joe Acaba of NASA conducts pressure and leak checks to his “Sokol” launch and entry suit May 3, 2012 during a suited dress rehearsal of launch day activities as part of the final training he, Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin are undergoing in advance of their launch May 15 on the Soyuz TMA-04M spacecraft to the International Space Station. NASA/Victor Zelentsov

Expedition 31/32 Soyuz Commander Gennady Padalka (center) and his crewmates are greeted by Russian space officials upon their arrival in Baikonur, Kazakhstan May 2, 2012 after flying from their training base in Star City, Russia for final preparations for their launch May 15, Baikonur time, to the International Space Station on their Soyuz TMA-04M spacecraft. Joining Padalka are NASA Flight Engineer Joe Acaba (left) and Flight Engineer Sergei Revin. NASA/Victor Zelentsov

At the Baikonur Cosmodrome in Kazakhstan, the Expedition 31/32 prime crewmembers pose for pictures outside their Soyuz TMA-04M spacecraft during their suited “fit check” dress rehearsal of launch day activities in advance of a May 15 launching to the International Space Station. Seated from left to right in their “Sokol” launch and entry suits are Russian Flight Engineer Sergei Revin, Soyuz Commander Gennady Padalka and NASA Flight Engineer Joe Acaba. NASA/Victor Zelentsov

Flight controllers and Flight Director Chris Edelen in the FCR-1 during NASA astronaut Joseph Acaba, flight engineer, and his two Russian crewmates, Soyuz Commander Gennady Padalka and Flight Engineer Sergei Revin, on board the Soyuz TMA-04M spacecraft docking to the space station's Rassvet module at 11:38 p.m. Photo Date: May 16, 2012. Location: Building 30 - FCR1. Photographer: Robert Markowitz

Behind the Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan, Expedition 31/32 Flight Engineer Joe Acaba of NASA (center) plants a tree in his name in a traditional ceremony May 10, 2012 as his crewmates looked on. Acaba will launch on the Soyuz TMA-04M spacecraft on May 15 from the Baikonur Cosmodrome with Soyuz Commander Gennady Padalka (left) and Flight Engineer Sergei Revin (right) for a four-month mission on the International Space Station. NASA/Victor Zelentsov

JSC2012-E-103017 (July 2012) --- Computer-generated artist?s rendering of the International Space Station as of July 17, 2012. Soyuz 31 (TMA-05M) docks to the Rassvet Mini-Research Module 1 (MRM1), bringing Expedition 32 crew members (Sunita Williams, Yuri Malenchenko, Aki Hoshide) to the space station. Progress 47 is linked to the Pirs Docking Compartment. European Space Agency?s Automated Transfer Vehicle-3 (ATV-3) ?Edoardo Amaldi? is attached to the Zvezda Service Module and Soyuz 30 (TMA-04M) is docked to the Poisk Mini-Research Module 2 (MRM2). Photo credit: NASA

JSC2012-E-064351 (May 2012) --- Computer-generated artist?s rendering of the International Space Station as of May 16, 2012. Soyuz 30 (TMA-04M) docks to the Poisk Mini-Research Module 2 (MRM2), bringing Expedition 31/32 crew members (Padalka, Revin, Acaba) to the space station. Progress 47 is docked to the Pirs Docking Compartment. European Space Agency?s Automated Transfer Vehicle-3 (ATV-3) ?Edoardo Amaldi? is attached to the Zvezda Service Module. Soyuz 29 (TMA-03M) is linked to the Rassvet Mini-Research Module 1 (MRM1). Photo credit: NASA

JSC2012-E-214800 (September 2012) --- Computer-generated artist?s rendering of the International Space Station as of Sept. 16, 2012. Soyuz 30 (TMA-04M) undocks from the Poisk Mini-Research Module 2 (MRM2), returning Expedition 32 crew members (Padalka, Acaba, Revin) to Earth. Progress 48 is docked to the Pirs Docking Compartment. Soyuz 31 (TMA-05M) is attached to the Rassvet Mini-Research Module 1 (MRM1). European Space Agency?s Automated Transfer Vehicle-3 (ATV-3) ?Edoardo Amaldi? is linked to the Zvezda Service Module. Photo credit: NASA

JSC2012-E-107190 (August 2012) --- Computer-generated artist?s rendering of the International Space Station as of August 2, 2012. Progress 48 docks to the Pirs Docking Compartment. Japan Aerospace Exploration Agency (JAXA) H-II Transfer Vehicle (HTV-3) is connected to the Harmony nadir port. Soyuz 31 (TMA-05M) is docked to the Rassvet Mini-Research Module 1 (MRM1). European Space Agency?s Automated Transfer Vehicle-3 (ATV-3) ?Edoardo Amaldi? is attached to the Zvezda Service Module and Soyuz 30 (TMA-04M) is linked to the Poisk Mini-Research Module 2 (MRM2). Photo credit: NASA

JSC2012-E-107189 (July 2012) --- Computer-generated artist?s rendering of the International Space Station as of July 30, 2012. Progress 47 completes final undocking from the Pirs Docking Compartment. Japan Aerospace Exploration Agency (JAXA) H-II Transfer Vehicle (HTV-3) is connected to the Harmony nadir port. Soyuz 31 (TMA-05M) is docked to the Rassvet Mini-Research Module 1 (MRM1). European Space Agency?s Automated Transfer Vehicle-3 (ATV-3) ?Edoardo Amaldi? is attached to the Zvezda Service Module and Soyuz 30 (TMA-04M) is linked to the Poisk Mini-Research Module 2 (MRM2). Photo credit: NASA

JSC2012-E-064353 (May 2012) --- Computer-generated artist?s rendering of the International Space Station as of May 31, 2012. The SpaceX Dragon commercial cargo craft is unberthed from the Harmony node for splashdown in the Pacific Ocean. Soyuz 30 (TMA-04M) is docked to the Poisk Mini-Research Module 2 (MRM2). Progress 47 is linked to the Pirs Docking Compartment. European Space Agency?s Automated Transfer Vehicle-3 (ATV-3) ?Edoardo Amaldi? is attached to the Zvezda Service Module. Soyuz 29 (TMA-03M) is docked to the Rassvet Mini-Research Module 1 (MRM1). Photo credit: NASA