Expedition 39 Flight Engineer Rick Mastracchio of NASA is carried in a chair to a medical tent just minutes after he and Expedition 39 Commander Koichi Wakata of the Japan Aerospace Exploration Agency (JAXA), center, and Soyuz Commander Mikhail Tyurin of Roscosmos landed in their Soyuz TMA-11M spacecraft near the town of Zhezkazgan, Kazakhstan on Wednesday, May 14, 2014. Wakata, Tyurin and Mastracchio returned to Earth after more than six months onboard the International Space Station where they served as members of the Expedition 38 and 39 crews. Photo Credit: (NASA/Bill Ingalls)