Apollo 11 astronaut Michael Collins said, "Eight's momentous historic significance was foremost"; while space historian Robert K. Poole saw Apollo8 as the most historically significant of all the Apollo missions.
ɐpˈɑːloʊ ɪlˈɛvən ˈæstɹənˌɔːt mˈaɪkəl kˈɑːlᵻnz sˈɛd, "ˈeɪts moʊmˈɛntəs hɪstˈɔːɹɪk sɪɡnˈɪfɪkəns wʌz fˈɔːɹmoʊst"; wˌaɪl spˈeɪs hɪstˈoːɹiən ɹˈɑːbɚt kˈeɪ. pˈuːl sˈɔː ɐpˈɑːloʊ ˈeɪt æz ðə mˈoʊst hɪstˈɔːɹɪkli sɪɡnˈɪfɪkənt ʌv ˈɔːl ðɪ ɐpˈɑːloʊ mˈɪʃənz.