ˈeɪtiːn sɛptˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi sˈɛvən, haʊˈɛvɚ, ɪz kənsˈɪdɚd ðə kɛntˈʌki ˈɛɹ nˈæʃənəl ɡˈɑːɹdz əfˈɪʃəl bˈɜːθ kəŋkˈɜːɹənt wɪððɪ ɪstˈæblɪʃmənt ʌvðə juːnˈaɪɾᵻd stˈeɪts ˈɛɹ fˈoːɹs æz ɐ sˈɛpɹət bɹˈæntʃ ʌvðə juːnˈaɪɾᵻd stˈeɪts mˈɪlətˌɛɹi ˌʌndɚ ðə nˈæʃənəl sᵻkjˈʊɹɹᵻɾi ˈækt ʌv nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi sˈɛvən.
18 September 1947, however, is considered the Kentucky Air National Guard's official birth concurrent with the establishment of the United States Air Force as a separate branch of the United States military under the National Security Act of 1947.