fˈɔːɹmd ˌɔn wˈʌn ɑːktˈoʊbɚ nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi tˈuː, æz sᵻkjˈʊɹɹᵻɾi ɡˈɑːɹd jˈuːnɪt ɹˈɑːf ˌɛsdʒˌiːjˈuː æt lˈɪvɪŋstˌoʊn ˈɛɹfiːld, nˈɔːɹðɚn tˈɛɹɪtˌoːɹi, ɔːstɹˈeɪliə.
Formed on 1 October 1942, as Security Guard Unit RAAF (SGU) at Livingstone Airfield, Northern Territory, Australia.