ɪnˈɪʃəli fˈɔːɹmd tə pɹəvˈaɪd ðə tɹˈeɪnɪŋ ˌʌndɚ ðə ɹˈɛdi ɹɪzˈɜːv skˈiːm, haʊˈɛvɚ, ðɪs wʌz ɐmˈɛndᵻd tə ðə ɡɹˈaʊnd dᵻfˈɛns, pɹətˈɛkʃən ænd sᵻkjˈʊɹɹᵻɾi ʌv ɹˈɑːf ˌɪnstəlˈeɪʃənz, ˈæsɛts, fəsˈɪlᵻɾiz ænd pˌɜːsənˈɛl ˌɔn θˈɜːɾi dʒˈuːn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti tˈuː.
Initially formed to provide the training under the Ready Reserve Scheme, however, this was amended to the ground defence, protection and security of RAAF installations, assets, facilities and personnel on 30 June 1992.