əpˌɑːn mˌoʊbɪləzˈeɪʃən ɪnðɪ ˈɜːli stˈeɪdʒᵻz ʌvðə wˈɔːɹ ɪn sɛptˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi nˈaɪn, wˈʌnhˈʌndɹɪd θˈɜːɾi θˈɜːd bɹɪɡˈeɪd ˌeɪtʃkjˈuː wɪð fˈoːɹθ bɐtˈæliən, ɹˈɔɪəl sˈʌsɪks ɹˈɛdʒɪmənt bɪkˌeɪm ˌeɪtʃkjˈuː wˈɛstɚn sˈʌbˈɛɹiə ɪnðə juːnˈaɪɾᵻd kˈɪŋdəm wˌaɪl ðɪ ˈʌðɚ jˈuːnɪts ʌvðə bɹɪɡˈeɪd wɜː tˌɛmpɚɹˈɛɹᵻli ˌʌndɚ ðə kəmˈænd ʌv ˈʌðɚ fɔːɹmˈeɪʃənz.
Upon mobilisation in the early stages of the war in September 1939, 133rd Brigade HQ with 4th Battalion, Royal Sussex Regiment became HQ Western Sub-Area in the United Kingdom while the other units of the brigade were temporarily under the command of other formations.