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