dˈʊɹɹɪŋ ðə sˈɪvəl wˈɔːɹ, mˈeɪɚ sˈɜːvd ɪnðə kənfˈɛdɚɹət ˈɑːɹmi ɔnðə stˈæf ʌv bɹˌɪɡɐdˈɪɹ dʒˈɛnɚɹəl dʒˈɑːn stˈuːɚt wˈɪljəmz ʌv kɛntˈʌki ænd ɐtˈeɪnd ðə ɹˈæŋk ʌv ɐsˈɪstənt ˈædʒuːtənt dʒˈɛnɚɹəl.
During the Civil War, Meyer served in the Confederate Army on the staff of Brigadier General John Stuart Williams of Kentucky and attained the rank of assistant adjutant general.