ðə tʃˈiːf ʌvðə dᵻfˈɛns fˈoːɹs sˌiːdˌiːˈɛf ɪz ðə hˈaɪɪstɹˈæŋkɪŋ ænd mˈoʊst sˈiːnjɚ mˈɪlətˌɛɹi ˈɑːfɪsɚɹ ɪnðɪ ɔːstɹˈeɪliən dᵻfˈɛns fˈoːɹs ˌeɪdˌiːˈɛf ænd ɪz ðə pɹˈɪnsɪpəl mˈɪlətˌɛɹi ɐdvˈaɪzɚ tə ðə nˈæʃənəl sᵻkjˈʊɹɹᵻɾi kəmˈɪɾi ænd ðə mˈɪnɪstɚ fɔːɹ dᵻfˈɛns.
The Chief of the Defence Force (CDF) is the highest-ranking and most senior military officer in the Australian Defence Force (ADF) and is the principal military advisor to the National Security Committee and the Minister for Defence.