 Kọ itẹsiwaju fun paragirafi yii - Ni ọdun 2013 Yui ni a yàn gẹgẹbi Olutọju Irin-ajo afẹyinti fun astronaut Itali Samantha Cristoforetti fun ISS Expedition 4243. Cristoforetti se ifilọlẹ lori ọkọ Soyuz TMA-15M lẹgbẹẹ awọn ẹlẹgbẹ Expedition 4243 awọn ọmọ ẹgbẹ Anton Shkaplerov ati Terry Virts 23 Kọkànlá Oṣù 2014, lẹhin eyi ti Yui bẹrẹ ikẹkọ bi olutọju ọkọ ofurufu ọkọ ofurufu fun ISS Expedition 4445 : lẹgbẹẹ awakọ òfuurufú Roscosmos Oleg Kononenko àti awakọ òfuurufú NASA Kjell Lindgren. 