On 1 October 1862, when the Western Flotilla was transferred to the Navy, he was commissioned Acting Master in the U.S. Navy.
ˌɔn wˈʌn ɑːktˈoʊbɚ wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti tˈuː, wˌɛn ðə wˈɛstɚn flətˈɪlə wʌz tɹænsfˈɜːd tə ðə nˈeɪvi, hiː wʌz kəmˈɪʃənd ˈæktɪŋ mˈæstɚɹ ɪnðə jˈuː.ˈɛs. nˈeɪvi.