 Flying as a guest of the Russian government through a commercial agreement with South Korea, Yi's role aboard Soyuz and the ISS is referred to as a spaceflight participant "()" in Russian Federal Space Agency and NASA documents and press briefings.During her mission, Yi So-yeon carried out eighteen science experiments for KARI and conducted interviews and discussions with media.In particular, she took with her 1,000 fruit flies in a special air-conditioned container box (Konkuk University experiment).