one who flies in a vehicle to the International Space Station in a mission coordinated by NASA and Roscosmos is a spaceflight participant
wˈʌn hˌuː flˈaɪz ɪn ɐ vˈiəkəl tə ðɪ ˌɪntɚnˈæʃənəl spˈeɪs stˈeɪʃən ɪn ɐ mˈɪʃən koʊˈɔːɹdɪnˌeɪɾᵻd baɪ nˈæsɐ ænd ɹəskˈɑːzmoʊz ɪz ɐ spˈeɪsflaɪt pɑːɹtˈɪsɪpənt