The International Space Station crew member Alexander Gerst of Germany gives a thumbs up as he boards the Soyuz TMA-13M spacecraft at the Baikonur cosmodrome May 28, 2014. REUTERS/Dmitry Lovetsky/Pool... more 
The International Space Station crew member Alexander Gerst of Germany gives a thumbs up as he boards the Soyuz TMA-13M spacecraft at the Baikonur cosmodrome May 28, 2014. REUTERS/Dmitry Lovetsky/Pool (KAZAKHSTAN - Tags: SCIENCE TECHNOLOGY) less 
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Reuters | Photo By POOL / REUTERS
Wed, May 28, 2014 2:44 PM EDT