nˈʌmbɚ wˈʌn ˈɛɹfiːld ˌɑːpɚɹˈeɪʃənz səpˈoːɹt skwˈɑːdɹən wʌz ɚɹˈɪdʒɪnəli fˈɔːɹmd ˌɔn fˈoːɹtiːn mˈeɪ nˈaɪntiːnhˈʌndɹɪd sˈɪksti sˈɪks æz bˈeɪs səpˈoːɹt flˈaɪt bˈæsʌpflt, ænd ðə mˈeɪn bˈɑːdi dᵻpˈɑːɹɾᵻd sˈɪdni ˌɔn twˈɛlv dʒˈuːn nˈaɪntiːnhˈʌndɹɪd sˈɪksti sˈɪks, vˈaɪə sˈɪvəl ˈɛɹ, tə vˌiːətnˈɑːm ænd vˈʌŋ tˈaʊ wˌɛɹ ɪɾ ˈɑːpɚɹˌeɪɾᵻd ɪn dᵻɹˈɛkt səpˈoːɹt tə nˈʌmbɚ θˈɜːɾi fˈaɪv skwˈɑːdɹən.
Number 1 Airfield Operations Support Squadron was originally formed on 14 May 1966 as Base Support Flight (BASUPFLT), and the main body departed Sydney on 12 June 1966, via civil air, to Vietnam and Vung Tau where it operated in direct support to Number 35 Squadron.