The initial design of the insignia was developed by Jim Lovell, who reportedly sketched it while riding in the back seat of a T-38 flight from California to Houston shortly after learning of Apollo8's re-designation as a lunar-orbital mission.
ðɪ ɪnˈɪʃəl dɪzˈaɪn ʌvðɪ ɪnsˈɪɡniə wʌz dɪvˈɛləpt baɪ dʒˈɪm lˈʌvɛl, hˌuː ɹᵻpˈoːɹɾᵻdli skˈɛtʃt ɪt wˌaɪl ɹˈaɪdɪŋ ɪnðə bˈæk sˈiːt əvə tˈiː θˈɜːɾi ˈeɪt flˈaɪt fɹʌm kˌælɪfˈoːɹniə tə hjˈuːstən ʃˈɔːɹtli ˈæftɚ lˈɜːnɪŋ ʌv ɐpˈɑːloʊ ˈeɪt ɹˌiːdˌɛzɪɡnˈeɪʃən æz ɐ lˈuːnɚɹˈɔːɹbɪɾəl mˈɪʃən.