hiː wʌz nˈeɪmd kˈɜːnəl ʌvðɪ ˈeɪtθ jˈuː.ˈɛs. kˈævəlɹi ˌɔn dʒuːlˈaɪ twˈɛnti ˈeɪt, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti sˈɪks, ɐ pəzˈɪʃən hɪz kˈʌzən dˈeɪvɪd mək mˈɜːtɹi ɡɹˈɛɡ hæd dɪzˈaɪɚd.
He was named colonel of the 8th U.S. Cavalry on July 28, 1866, a position his cousin David McMurtrie Gregg had desired.