The support crew maintained the flight plan, checklists, and mission ground rules, and ensured that the prime and backup crews were apprised of any changes.
ðə səpˈoːɹt kɹˈuː meɪntˈeɪnd ðə flˈaɪt plˈæn, tʃˈɛklɪsts, ænd mˈɪʃən ɡɹˈaʊnd ɹˈuːlz, ænd ɛnʃˈʊɹd ðætðə pɹˈaɪm ænd bˈækʌp kɹˈuːz wɜːɹ ɐpɹˈaɪzd ʌv ˌɛni tʃˈeɪndʒᵻz.