On 23 September 1940 he is credited by one source for shooting down Hans-Joachim Marseille over the English Channel.
ˌɔn twˈɛnti θɹˈiː sɛptˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi hiː ɪz kɹˈɛdɪɾᵻd baɪ wˈʌn sˈoːɹs fɔːɹ ʃˈuːɾɪŋ dˌaʊn hˈænzdʒˈoʊəkˌɪm mɑːɹsˈeɪ ˌoʊvɚ ðɪ ˈɪŋɡlɪʃ tʃˈænəl.