Kjell Lindgren of the U.S., a member of the International Space Station (ISS) crew, gestures to his family from a bus before departure for a final pre-launch preparation at the Baikonur cosmodrome, Kazakhstan, July 22, 2015. (Photo by Shamil Zhumatov/Reuters)

Kjell Lindgren of the U.S., Oleg Kononenko of Russia and Kimiya Yui of Japan, a member of the International Space Station (ISS) crew, waves near a bus before departure for a final pre-launch preparation at the Baikonur cosmodrome, Kazakhstan, July 22, 2015. (Photo by Shamil Zhumatov/Reuters)

Kimiya Yui of Japan, a member of the International Space Station (ISS) crew, interacts with his family from a bus before departure for a final pre-launch preparation at the Baikonur cosmodrome, Kazakhstan, July 22, 2015. (Photo by Shamil Zhumatov/Reuters)

The International Space Station (ISS) crew member Kimiya Yui of Japan waves after donning his space suit at the Baikonur cosmodrome, Kazakhstan, July 22, 2015. (Photo by Shamil Zhumatov/Reuters)

The International Space Station (ISS) crew member Oleg Kononenko of Russia waves after donning his space suit at the Baikonur cosmodrome, Kazakhstan, July 22, 2015. (Photo by Shamil Zhumatov/Reuters)

The International Space Station (ISS) crew member Kjell Lindgren of the U.S. gestures after donning his space suit at the Baikonur cosmodrome, Kazakhstan, July 22, 2015. (Photo by Shamil Zhumatov/Reuters)

The International Space Station (ISS) crew member Kjell Lindgren of the U.S. waves during his space suit check at the Baikonur cosmodrome, Kazakhstan, July 22, 2015. (Photo by Shamil Zhumatov/Reuters)

The International Space Station (ISS) crew member Kimiya Yui of Japan points to his national flag after donning his space suit at the Baikonur cosmodrome, Kazakhstan, July 22, 2015. (Photo by Shamil Zhumatov/Reuters)

Kimiya Yui of Japan, a member of the International Space Station crew, is assisted during a space suit check at the Baikonur cosmodrome, Kazakhstan, July 22, 2015. (Photo by Shamil Zhumatov/Reuters)

The International Space Station (ISS) crew members (L to R) Kjell Lindgren of the U.S., Oleg Kononenko of Russia and Kimiya Yui of Japan wave after donning space suits at the Baikonur cosmodrome, Kazakhstan, July 22, 2015. (Photo by Shamil Zhumatov/Reuters)

The International Space Station (ISS) crew members (L to R) Kjell Lindgren of the U.S., Oleg Kononenko of Russia and Kimiya Yui of Japan walk after donning space suits at the Baikonur cosmodrome, Kazakhstan, July 23, 2015. (Photo by Shamil Zhumatov/Reuters)

The International Space Station (ISS) crew members (L to R) Kjell Lindgren of the U.S., Oleg Kononenko of Russia and Kimiya Yui of Japan walk after donning space suits at the Baikonur cosmodrome, Kazakhstan, July 23, 2015. (Photo by Shamil Zhumatov/Reuters)

The International Space Station (ISS) crew members (L to R) Kjell Lindgren of the U.S., Oleg Kononenko of Russia and Kimiya Yui of Japan wave after donning space suits at the Baikonur cosmodrome, Kazakhstan, July 23, 2015. (Photo by Shamil Zhumatov/Reuters)

The International Space Station (ISS) crew member Kjell Lindgren of the U.S. gestures to his family from a bus before departure to the launch pad at the Baikonur cosmodrome, Kazakhstan, July 23, 2015. (Photo by Shamil Zhumatov/Reuters)

The International Space Station (ISS) crew members Kjell Lindgren of the U.S. (C), Oleg Kononenko of Russia (bottom) and Kimiya Yui of Japan wave as they board the Soyuz TMA-17M spacecraft at the Baikonur cosmodrome, Kazakhstan, July 23, 2015. (Photo by Yuri Kochetkov/Reuters)

The International Space Station (ISS) crew member Kjell Lindgren of the U.S. (C) walks to board the Soyuz TMA-17M spacecraft at the Baikonur cosmodrome, Kazakhstan, July 23, 2015. (Photo by Yuri Kochetkov/Reuters)

The International Space Station (ISS) crew members Kjell Lindgren of the U.S. (bottom) and Kimiya Yui of Japan (top) board the Soyuz TMA-17M spacecraft at the Baikonur cosmodrome, Kazakhstan, July 23, 2015. (Photo by Yuri Kochetkov/Reuters)

The Soyuz TMA-17M spacecraft carrying the International Space Station (ISS) crew blasts off from the launch pad at the Baikonur cosmodrome, Kazakhstan, July 23, 2015. (Photo by Shamil Zhumatov/Reuters)

The Soyuz TMA-17M spacecraft carrying the International Space Station (ISS) crew blasts off from the launch pad at the Baikonur cosmodrome, Kazakhstan, July 23, 2015. (Photo by Shamil Zhumatov/Reuters)

The Soyuz TMA-17M spacecraft carrying the International Space Station (ISS) crew blasts off from the launch pad at the Baikonur cosmodrome, Kazakhstan, July 23, 2015. (Photo by Shamil Zhumatov/Reuters)

The Soyuz TMA-17M spacecraft carrying the International Space Station (ISS) crew blasts off from the launch pad at the Baikonur cosmodrome, Kazakhstan, July 23, 2015. (Photo by Shamil Zhumatov/Reuters)

The Soyuz-FG booster rocket with the space capsule Soyuz TMA-14M launched to the International Space Station from the Russian leased Baikonur cosmodrome, Kazakhstan, in Kazakhstan, early Thursday, July 23, 2015. The Russian rocket carries Russian cosmonaut Oleg Kononenko, U.S. astronaut Kjell Lindgen and Japan astronaut Kimiya Yui. (Photo by Pavel Golovkin/AP Photo)

The Soyuz TMA-17M spacecraft carrying the International Space Station (ISS) crew of Kjell Lindgren of the U.S., Oleg Kononenko of Russia and Kimiya Yui of Japan leaves a trail across the sky on this long exposure picture, as it blasts off at the Baikonur cosmodrome, Kazakhstan, July 23, 2015. (Photo by Shamil Zhumatov/Reuters)