hɪz sˈɜːvɪŋ ɪnðə jˈuː.ˈɛs. nˈeɪvi dˈʊɹɹɪŋ wˈɜːld wˈɔːɹ ɹˌoʊmən tˈuː mˌaɪt ˈɔːlsoʊ hæv hæd sˈʌmθɪŋ tə dˈuː wɪð hɪz lˈiːvɪŋ ɹˈeɪsɪŋ.
His serving in the U.S. Navy during World War II might also have had something to do with his leaving racing.