Without assurances that these problems had been rectified, NASA administrators could not justify risking a crewed mission until additional uncrewed test flights proved the Saturn V was ready.
wɪðˌaʊt əʃˈʊɹɹənsᵻz ðæt ðiːz pɹˈɑːbləmz hɐdbɪn ɹˈɛktᵻfˌaɪd, nˈæsɐ ɐdmˈɪnɪstɹˌeɪɾɚz kʊd nˌɑːt dʒˈʌstᵻfˌaɪ ɹˈɪskɪŋ ɐ kɹˈuːd mˈɪʃən ʌntˈɪl ɐdˈɪʃənəl ʌŋkɹˈuːd tˈɛst flˈaɪts pɹˈuːvd ðə sˈæɾɜːn vˈiː wʌz ɹˈɛdi.