ˌɔn dʒuːlˈaɪ sˈɛvəntˌiːn, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti sˈɪks, pɹˈɛzɪdənt ˈændɹuː dʒˈɑːnsən nˈɑːmᵻnˌeɪɾᵻd kˈɑːɹ fɔːɹ ɐpˈɔɪntmənt tə ðə bɹˈɛvɪt ɡɹˈeɪd ʌv mˈeɪdʒɚ dʒˈɛnɚɹəl, jˌuːˌɛsˈeɪ ɹˈɛɡjʊlɚɹ ˈɑːɹmi, tə ɹˈæŋk fɹʌm mˈɑːɹtʃ θˈɜːtiːn, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti fˈaɪv, ænd ðə jˈuː.ˈɛs. sˈɛnət kənfˈɜːmd ðɪ ɐpˈɔɪntmənt ˌɔn dʒuːlˈaɪ twˈɛnti θɹˈiː, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti sˈɪks.
On July 17, 1866, President Andrew Johnson nominated Carr for appointment to the brevet grade of major general, USA (regular army), to rank from March 13, 1865, and the U.S. Senate confirmed the appointment on July 23, 1866.