The Australian Defence Force is constituted under the Defence Act 1903, and its mission is to defend Australia and its national interests in order to advance Australia's security and prosperity. In fulfilling this mission, Defence serves the Government of the day and is accountable to the Commonwealth Parliament which represents the Australian people, to efficiently and effectively carry out the Government's defence policy. Our purpose: To defend and protect Australia and advance its strategic interest. Underpinning Defence’s purpose are two outcomes statements through which we focus our portfolio resourcing and delivery for Government. Defend Australia and its national interests through the conduct of operations and provision of support for the Australian community and civilian authorities in accordance with Government direction. Protect and advance Australia’s strategic interests through the provision of strategic policy, the development, delivery and sustainment of military, intelligence and enabling capabilities, and the promotion of regional and global security and stability as directed by Government.