They made the decision to change the flight plan so the commander was the first to egress from the spacecraft.
ðeɪ mˌeɪd ðə dᵻsˈɪʒən tə tʃˈeɪndʒ ðə flˈaɪt plˈæn sˌoʊ ðə kəmˈændɚ wʌzðə fˈɜːst tʊ ɪɡɹˈɛs fɹʌmðə spˈeɪskɹæft.