U.S. astronaut Leroy Chiao gives a thumbs up in Arkalyk airport in northern Kazakhstan April 25, 2005. A Russian Soyuz space capsule touched down safely at night on Monday bringing the crew comprising of [U.S. astronaut Leroy Chiao, Russian cosmonaut Salizhan Sharipov and Italian astronaut Roberto Vittori] back to Earth from the International Space Station.

A medical tent housing the the International Space Station (ISS) crew is seen in Arkalyk airport in northern Kazakhstan April 25, 2005. [A Russian Soyuz space capsule touched down safely at night on Monday bringing the crew comprising of U.S. astronaut Leroy Chiao, Russian cosmonaut Salizhan Sharipov and Italian astronaut Roberto Vittori back to Earth from the ISS.]

U.S. astronaut Leroy Chiao (R), Russian cosmonaut Salizhan Sharipov (C) and Italian astronaut Roberto Vittori rest in Arkalyk airport in northern Kazakhstan April 25, 2005. A Soyuz space capsule touched down safely at night on Monday bringing the crew back to Earth from the International Space Station.

Italian astronaut Roberto Vittori adjusts the Kazakh national hat presented to him after his arrival to Kustanay airport in northern Kazakhstan. Italian astronaut Roberto Vittori adjusts the Kazakh national hat presented to him after his arrival to Kustanay airport in northern Kazakhstan April 25, 2005. A Russian Soyuz capsule bumped down on the Kazakh steppe early on Monday, bringing astronauts Russian Salizhan Sharipov, American Leroy Chiao and Italian Vittori safely back to Earth from the International Space Station. REUTERS/Shamil Zhumatov

Russian astronaut born in southern Kyrgyzstan Salizhan Sharipov rests in Arkalyk airport in northern Kazakhstan. Russian astronaut born in southern Kyrgyzstan Salizhan Sharipov, wearing the Kyrgyz national hat, rests in Arkalyk airport in northern Kazakhstan April 25, 2005. A Russian Soyuz capsule bumped down on the Kazakh steppe early on Monday, bringing astronauts Russian Sharipov, American Leroy Chiao and Italian Roberto Vittori safely back to Earth from the International Space Station. REUTERS/Shamil Zhumatov

A medical tent housing the the International Space Station (ISS) crew is seen in Arkalyk airport in northern Kazakhstan April 25, 2005. A Russian Soyuz space capsule touched down safely at night on Monday bringing the crew comprising of U.S. astronaut Leroy Chiao, Russian cosmonaut Salizhan Sharipov and Italian astronaut Roberto Vittori back to Earth from the ISS. REUTERS/Shamil Zhumatov SZH/JK/DH

Ground personnel help Italian astronaut Roberto Vittori to dress-off his space suit in Arkalyk airport in northern Kazakhstan. Ground personnel help Italian astronaut Roberto Vittori to dress-off his space suit inside a medical tent set in Arkalyk airport in northern Kazakhstan April 25, 2005. A Russian Soyuz capsule bumped down on the Kazakh steppe early on Monday, bringing astronauts Russian Salizhan Sharipov, American Leroy Chiao and Italian Vittori safely back to Earth from the International Space Station. REUTERS/Sergei Remezov

Ground personnel help Italian astronaut Roberto Vittori after space capsule's landing near Arkalyk in northen Kazakhstan. Ground personnel help Italian astronaut Roberto Vittori in Arkalyk airport in northern Kazakhstan April 25, 2005. A Soyuz space capsule touched down safely on Monday bringing the crew of U.S. astronaut Leroy Chiao, Russian cosmonaut Salizhan Sharipov and Italian astronaut Vittori back to Earth from the International Space Station. REUTERS/Shamil Zhumatov

U.S. astronaut Leroy Chiao gives a thumbs up in Arkalyk airport in northern Kazakhstan April 25, 2005. A Russian Soyuz space capsule touched down safely at night on Monday bringing the crew comprising of U.S. astronaut Leroy Chiao, Russian cosmonaut Salizhan Sharipov and Italian astronaut Roberto Vittori back to Earth from the International Space Station. REUTERS/Shamil Zhumatov SZH/DH

U.S. astronaut Leroy Chiao speaks on a satellite phone in Arkalyk airport in northern Kazakhstan April 25, 2005. A Soyuz space capsule touched down safely on Monday bringing the crew of U.S. astronaut Chiao, Russian cosmonaut Salizhan Sharipov and Italian astronaut Roberto Vittori back to Earth from the International Space Station. REUTERS/Shamil Zhumatov SZH/SA

Ground personnel carry U.S. astronaut Leroy Chiao after his landing near Arkalyk in northen Kazakhstan. Ground personnel carry U.S. astronaut Leroy Chiao (C) in Arkalyk airport in northern Kazakhstan April 25, 2005. A Russian Soyuz space capsule touched down safely at night on Monday bringing the crew comprising of U.S. astronaut Leroy Chiao, Russian cosmonaut Salizhan Sharipov and Italian astronaut Roberto Vittori back to Earth from the International Space Station REUTERS/Shamil Zhumatov

Ground personnel carry Italian astronaut Roberto Vittori after landing near Arkalyk in northen Kazakhstan. Ground personnel carry Italian astronaut Roberto Vittori in Arkalyk airport in northern Kazakhstan April 25, 2005. A Soyuz space capsule touched down safely at night on Monday bringing the crew of U.S. astronaut Leroy Chiao, Russian cosmonaut Salizhan Sharipov and Italian astronaut Roberto Vittori back to Earth from the International Space Station. REUTERS/Sergei Remezov

U.S. astronaut Leroy Chiao (R), Russian cosmonaut Salizhan Sharipov (C) and Italian astronaut Roberto Vittori rest in Arkalyk airport in northern Kazakhstan April 25, 2005. A Soyuz space capsule touched down safely at night on Monday bringing the crew back to Earth from the International Space Station. REUTERS/Shamil Zhumatov SZH/DH

Astronauts Sharipov, Padalka, Chiao, Shargin and Fincke are seen in the screen at the space control centre in Korolyov satellite town outside Moscow. Astronauts (from L to R) Salizhan Sharipov, Gennady Padalka, Leroy Chiao, and Mikhael Fincke greet each other on board the International Space Station as they are seen in the screen at the space control centre in Korolyov satellite town outside Moscow, October 16, 2004. Sharipov and Chiao will take over from Fincke and Padalka for the next six months, while Shargin of Russia will return to earth with the outgoing crew after a 10-day mission. REUTERS/Alexander Natruskin

Grin, head of Russia's State Commission speaks on the phone as deputy head of the U.S. space agency NASA Gregory looks on at the space control centre in town of Korolyov outside Moscow. Valery Grin, head of Russia's State Commission speaks on the phone as deputy head of the U.S. space agency NASA Fred Gregory (R) looks on at the space control centre in the Korolyov satellite town outside Moscow during the Soyuz rocket docking with the International Space Station, October 16, 2004. Salizhan Sharipov and Leroy Chiao will take over from Mickael Fincke and Gennady Padalka for the next six months, while Yuri Shargin of Russia will return to earth with the outgoing crew after a 10-day mission. REUTERS/Alexander Natruskin

American astronaut Leroy Chiao floating through the hatch from the Soyuz space craft and into the International Space Station. A frame grab shows American astronaut Leroy Chiao (C) floating through the hatch from the Soyuz space craft and into the International Space Station (ISS) to be welcomed by Russian cosmonaut Gennady Padalka (L) and American astronaut Mikhael Fincke (R) October 16, 2004. A Russian spacecraft delivered three astronauts to the International Space Station on Saturday, smoothly overcoming docking system problems which had delayed its launch. The Soyuz blasted off from Russia's Baikonur cosmodrome in Kazakhstan on Thursday after two postponements while technicians fixed a mechanical glitch that affected the craft's ability to attach itself to the orbital platform.

A frame grab shows astronauts (from L to R) Russians Salizhan Sharipov, Gennady Padalka, American Leroy Chiao, Russian Yuri Shargin and American Mikhael Fincke, after the docking with the International Space Station (ISS) October 16, 2004. Sharipov and Chiao will take over from Fincke and Padalka for the next six months, while Shargin of Russia will return to earth with the outgoing crew after a 10-day mission. REUTERS/NASA BEST QUALITY AVAIABLE AS/AA

Russian Soyuz TMA-5 spacecraft blasts off from the Baikonur launching pad in Kazakhstan with the ISS-10 crew of [U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin] October 14, 2004.

The U.S. astronaut Leroy Chiao is helped by Russian specialists to get up after donning his space suit in Baikonur cosmodrome, October 14, 2004.

The ISS-10 crew of U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov (C) and Yuri Shargin (top) wave before getting into the spacecraft at Baikonur cosmodrome, October 14, 2004.

Expedition 10 Commander and NASA Science Officer Leroy Chiao gives a hearty "thumbs up" October 14, 2004 during the ride from the suit up facility at the Baikonur Cosmodrome in Kazakhstan to the launch pad as he and his crewmates, Flight Engineer and Soyuz Commander Salizhan Sharipov and Russian Space Forces Cosmonaut Yuri Shargin prepared for their liftoff to the International Space Station. Their Soyuz TMA-5 vehicle blasted off at 9:06 a.m. Baikonur time (306 GMT) to begin the two-day trip to the Station. REUTERS/NASA/Bill Ingalls/HO GAC

U.S. astronaut Leroy Chiao (R) shows his new wrist watch, a gift from the Russian Space Agency, to Russian cosmonaut Salizhan Sharipov after donning their space suits in Baikonur cosmodrome, October 14, 2004. A Russian rocket carrying a U.S.-Russian crew on a two-day flight to the International Space Station blasted off from the Baikonur cosmodrome in Kazakhstan early on Thursday. REUTERS/Sergei Remezov SZH/CVI/WS

Soyuz TMA-5 spacecraft carrying crew of Chiao, Sharipov and Shargin blasts off from Baikonur cosmodrome. Russian Soyuz TMA-5 spacecraft blasts off from the Baikonur launching pad in Kazakhstan with the ISS-10 crew of U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin October 14, 2004. REUTERS/Shamil Zhumatov

Soyuz TMA-5 spacecraft carrying crew of Chiao, Sharipov and Shargin blasts off from Baikonur cosmodrome. Russian Soyuz TMA-5 spacecraft blasts off from the Baikonur launching pad in Kazakhstan with the ISS-10 crew of U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin October 14, 2004. REUTERS/Shamil Zhumatov

U.S. astronaut Leroy Chiao is helped by Russian specialists to get up after donning his space suit in Baikonur cosmodrome, October 14, 2004. REUTERS/Shamil Zhumatov SZH/FA

The US astronaut Leroy Chiao is assisted by Russian specialists after donning his space suit in Baikonur. The U.S. astronaut Leroy Chiao is helped by Russian specialists to get up after donning his space suit in Baikonur cosmodrome, October 14, 2004. REUTERS/Shamil Zhumatov

The ISS-10 crew of Chiao, Sharipov and Shargin wave before getting into the spacecraft at Baikonur cosmodrome. Members of the ISS-10 crew of U.S. astronaut Leroy Chiao and Russian cosmonauts Salizhan Sharipov (top) wave before getting into the spacecraft at Baikonur cosmodrome October 14, 2004. REUTERS/Shamil Zhumatov

The U.S. astronaut Leroy Chiao gives a thumbs-up after donning his space suit in Baikonur cosmodrome October 14, 2004. REUTERS/Shamil Zhumatov SZH/FA

The ISS-10 crew of Chiao, Sharipov and Shargin wave before getting into the spacecraft at Baikonur cosmodrome. The ISS-10 crew of U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov (C) and Yuri Shargin (top) waves before getting into the spacecraft at Baikonur cosmodrome October 14, 2004. REUTERS/Sergei Remezov

The ISS-10 crew of Chiao, Sharipov and Shargin wave before getting into the spacecraft at Baikonur cosmodrome. The ISS-10 crew of U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov (C) and Yuri Shargin (top) wave before getting into the spacecraft at Baikonur cosmodrome, October 14, 2004. REUTERS/Shamil Zhumatov

The U.S. astronaut Leroy Chiao waves from a bus at Baikonur cosmodrome, October 14, 2004. REUTERS/Shamil Zhumatov SZH/AA

The U.S. astronaut Leroy Chiao leaves his signature on the door of his room at Baikonur cosmodrome, October 14, 2004. REUTERS/Shamil Zhumatov SZH/AA

U.S. astronaut Leroy Chiao gives thumbs up at a news conference at Baikonur cosmodrome, October 13, 2004. The ISS-10 crew comprising [U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin is due to blast off to the International Space Station from Baikonur cosmodrome on October 14.]

U.S. astronaut Leroy Chiao gives thumbs up at a news conference at Baikonur cosmodrome, October 13, 2004. The ISS-10 crew comprising U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin is due to blast off to the International Space Station from Baikonur cosmodrome on October 14. REUTERS/Shamil Zhumatov SZH/WS

ISS-10 crew of U.S. astronaut Leroy Chiao (R), Russian cosmonauts Salizhan Sharipov (C) and Yuri Shargin leave a news conference at Baikonur cosmodrome, October 13, 2004. The crew comprising Chiao, Sharipov and Shargin is due to blast off to the International Space Station from Baikonur cosmodrome on October 14. REUTERS/Shamil Zhumatov SZH/AS/WS

ISS-10 crew of U.S. astronaut Leroy Chiao (R), Russian cosmonauts Salizhan Sharipov (C) and Yuri Shargin attends a news conference at Baikonur cosmodrome, October 13, 2004. The crew comprising Chiao, Sharipov and Shargin is due to blast off to the International Space Station from Baikonur cosmodrome on October 14. REUTERS/Shamil Zhumatov SZH/AS/WS

Russian Soyuz TMA-5 spacecraft is transported to its launch pad early morning at Baikonur cosmodrome, October 12, 2004. [The ISS-10 crew comprising U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin is due to blast off from Baikonur cosmodrome on October 14.]

The Russian Soyuz TMA-5 spacecraft is transported to its launch pad early morning at Baikonur cosmodrome, October 12, 2004. The ISS-10 crew comprising U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Sergei Remezov REUTERS SZH/AS/WS

The Russian Soyuz TMA-5 spacecraft stands on its launch pad at Baikonur cosmodrome October 12, 2004. The ISS-10 crew comprising U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Shamil Zhumatov SZH/AS/WS

The Russian Soyuz TMA-5 spacecraft is silhouetted against the sunrise as it transported to its launch pad early morning at Baikonur cosmodrome, October 12, 2004. The ISS-10 crew comprising U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Shamil Zhumatov SZH/AS/WS

Russian Soyuz TMA-5 spacecraft is transported to its launch pad early morning at Baikonur cosmodrome, October 12, 2004. The ISS-10 crew comprising U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Shamil Zhumatov SZH/AS/WS

Russian Soyuz TMA-5 spacecraft stands on its launch pad at Baikonur cosmodrome, October 12, 2004. The ISS-10 crew comprising U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Shamil Zhumatov SZH/AS/WS

Russian Soyuz TMA-5 spacecraft is transported to its launch pad early morning at Baikonur cosmodrome, October 12, 2004. The ISS-10 crew comprising U.S. astronaut Leroy Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Shamil Zhumatov SZH/AS/WS

U.S. astronaut Leroy Chiao has his hair cut in Baikonur, October 11, 2004. The ISS-10 crew comprising U.S. astronaut Chiao, Russian cosmonauts Salizhan Sharipov and Yuri Shargin is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Shamil Zhumatov SZH/cvi/JV

U.S. astronaut Leroy Chiao leaves his autograph in the museum of Baikonur cosmodrome, October 9, 2004. Chiao and Russian cosmonauts Salizhan Sharipov and Yuri Shargin will form the ISS-10 crew which is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Sergei Remezov AS/AA

U.S. astronaut Chiao, Russian cosmonauts Sharipov and Shargin pose for a snapshot after they tested their space suits in Baikonur. U.S. astronaut Leroy Chiao (R), Russian cosmonauts Salizhan Sharipov (C) and Yuri Shargin pose for a snapshot after they tested their space suits in Baikonur, October 9, 2004. Chiao, Sharipov and Shargin will form the ISS-10 crew which is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Sergei Remezov REUTERS

U.S. astronaut Leroy Chiao undergoes last tests during last training sessions in Baikonur, October 8, 2004. Chiao and Russian cosmonauts Salizhan Sharipov and Yuri Shargin will form the ISS-10 crew which is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Sergei Remezov AS/ABP

U.S. astronaut Leroy Chiao (R), Russian cosmonauts Salizhan Sharipov (C) and Yuri Shargin pose for a photograph in front of the Soyuz landing unit in Baikonur, October 5, 2004. Chiao, Sharipov and Shargin will form the ISS-10 crew which is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Sergei Remezov AS/JV

U.S. astronaut Chiao is helped by Russian specialists to put on his space suit during last training sessions in Baikonur. U.S. astronaut Leroy Chiao is helped by Russian specialists to put on his space suit during last training sessions in Baikonur, October 5, 2004. Chiao and Russian cosmonauts Salizhan Sharipov and Yuri Shargin will form the ISS-10 crew which is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Sergei Remezov

U.S. astronaut Chiao is helped by Russian specialists to put on his space suit during last training sessions in Baikonur. U.S. astronaut Leroy Chiao is helped by Russian specialists to put on his space suit during last training sessions in Baikonur, October 5, 2004. Chiao and Russian cosmonauts Salizhan Sharipov and Yuri Shargin will form the ISS-10 crew which is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Sergei Remezov

U.S. astronaut Chiao is helped by Russian specialists to get up after donning his space suit during last training sessions in Baikonur. U.S. astronaut Leroy Chiao is helped by Russian specialists to get up after donning his space suit during last training sessions in Baikonur, October 5, 2004. Chiao and Russian cosmonauts Salizhan Sharipov and Yuri Shargin will form the ISS-10 crew which is due to blast off from Baikonur cosmodrome on October 14. REUTERS/Sergei Remezov

U.S. astronaut Leroy Chiao leaves the Soyuz-TMA spacecraft simulator after a training session at Star City outside Moscow, September 21, 2004. Russian cosmonauts Salizhan Sharipov, Yuri Shargin and Chiao are due to blast off from Baikonur cosmodrome on October 11 to the International Space Station. REUTERS/Sergei Remezov CVI/DL

Russian cosmonauts Sharipov and Shargin pose with U.S. astronaut Leroy Chiao after a training session at Star City outside Moscow. Russian cosmonauts Salizhan Sharipov (C) and Yuri Shargin (L) pose with U.S. astronaut Leroy Chiao after a training session at the Soyuz-TMA spacecraft simulator in Star City outside Moscow, September 21, 2004. The ISS-10 crew is due to blast off from Baikonur cosmodrome on October 11. REUTERS/Sergei Remezov

Russian cosmonaut Salizhan Sharipov (L) and U.S. astronaut Leroy Chiao perform a test training at the International Space Station (ISS) simulator in Star City outside Moscow, September 20, 2004. The ISS-10 crew is due to blast off from Baikonur cosmodrome on October 11. REUTERS/Sergei Remezov CVI/AA

Russian cosmonauts Salizhan Sharipov, Yuri Shargin and U.S. astronaut Leroy Chiao wave after a training session at the ISS simulator in Star City. Russian cosmonauts Salizhan Sharipov (L), Yuri Shargin (R) and U.S. astronaut Leroy Chiao wave after completing a test at the International Space Station (ISS) simulator in Star City outside Moscow, September 20, 2004. The ISS-10 crew is due to blast off from Baikonur cosmodrome on October 11. REUTERS/Sergei Remezov

Russian cosmonauts Sharipov Shargin and U.S. astronaut Chiao joke during test training at ISS simulator in Star City. Russian cosmonauts Salizhan Sharipov (C) and Yuri Shargin (R) joke as U.S. astronaut Leroy Chiao watches them during test training at the International Space Station (ISS) simulator in Star City outside Moscow, September 20, 2004. The ISS-10 crew is due to blast off from Baikonur cosmodrome on October 11. REUTERS/Sergei Remezov

Astronaut Leroy Chiao (R) of the U.S. trains at a simulator of Soyuz-TMA spacecraft in Star City outside Moscow, September 7, 2004. Chiao and Russian cosmonauts Salizhan Sharipov and Yuri Shargin are due to blast off to the International Space Station from Baikonur cosmodrome on October 9. REUTERS/Sergei Remezov CVI/JV

Astronaut Leroy Chiao of the U.S., Russian cosmonaut Salizhan Sharipov and Yuri Shargin train at a simulator of Soyuz-TMA spacecraft in Star City. Astronaut Leroy Chiao (R) of the U.S., Russian cosmonaut Salizhan Sharipov (C) and Yuri Shargin train at a simulator of Soyuz-TMA spacecraft in Star City outside Moscow, September 7, 2004. Chiao, Sharipov and Shargin are due to blast off to the International Space Station from Baikonur cosmodrome on October 9. REUTERS/Sergei Remezov

Astronaut Leroy Chiao of the U.S. trains with Uzbek cosmonaut Salizhan Sharipov in Star City outside Moscow. Astronaut Leroy Chiao (R) of the U.S. trains with Russian cosmonaut Salizhan Sharipov in Star City outside Moscow, September 2, 2004. Chiao, Sharipov and Russian cosmonaut Yuri Shargin are due to blast off to the International Space Station from Baikonur cosmodrome on October 9. REUTERS/Sergei Remezov

Expedition 10 Commander and NASA ISS science officer Leroy Chiao during a press conference at the Johnson Space Center in Houston, July 28, 2004 where he discussed his planned six-month mission aboard the International Space Station. Chiao and Soyuz Commander and flight engineer Salizhan Sharipov are scheduled to launch Oct. 9, 2004 on a Soyuz spacecraft to replace the Expedition 9 crew of Gennady Padalka and Mike Fincke aboard the orbiting outpost. REUTERS/Richard Carson RJC