Expedition 30 Commander Daniel Burbank is seen in a gift of traditional Kazakhstan dress during a welcome ceremony at the Kostanay Airport in Kazakhstan on Friday, April 27, 2012. NASA Astronaut Burbank, and Russian Cosmonauts Anton Shkaplerov and Anatoly Ivanishin returned from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

Expedition 30 Flight Engineer Anatoly Ivanishin is seen in a gift of traditional Kazakhstan dress during a welcome ceremony at the Kostanay Airport in Kazakhstan on Friday, April 27, 2012. NASA Astronaut Burbank, and Russian Cosmonauts Anton Shkaplerov and Anatoly Ivanishin returned from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

Seated from left, Expedition 30 Commander Daniel Burbank, Flight Engineers Anton Shkaplerov, and Anatoly Ivanishin are seen during a welcome ceremony and press conference at the Kostanay Airport in Kazakhstan on Friday, April 27, 2012. NASA Astronaut Burbank, and Russian Cosmonauts Anton Shkaplerov and Anatoly Ivanishin returned from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

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

Expedition 30 Flight Engineer Anton Shkaplerov is seen in a gift of traditional Kazakhstan dress during a welcome ceremony at the Kostanay Airport in Kazakhstan on Friday, April 27, 2012. NASA Astronaut Burbank, and Russian Cosmonauts Anton Shkaplerov and Anatoly Ivanishin returned from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)

Seated from left, Expedition 25 Commander Doug Wheelock and Flight Engineers Fyodor Yurchikhin and Shannon Walker talk during during a press conference after being greeting back to Earth by girls in traditional Kazakhstan at the Kostanay, Kazakhstan airport on Friday, Nov. 26, 2010. Russian Cosmonaut Yurchikhin and NASA Astronauts Wheelock and Walker, landed in their Soyuz TMA-19 spacecraft outside the town of Arkalyk, Kazakhstan after nearly six months onboard the International Space Station where they served as members of the Expedition 24 and 25 crews. Photo Credit: (NASA/Bill Ingalls)