From Wikipedia: Defence Materiel Organisation:
The Defence Materiel Organisation ('DMO') is the Australian Government agency responsible for the acquisition, through-life support and disposal of equipment for the Australian Defence Force. The DMO is part of the Australian Department of Defence, and manages the acquisition and support of a diverse range of materiel (equipment), including aircraft, ships, vehicles, electronic systems, uniforms and rations.
Wikipedia quotes
DMO was formed in 2000 when the then Defence Acquisition Organisation merged with Support Command Australia, bringing together the Department of Defence's capital acquisition and logistics organisations into a single entity.