The Defence Estate and Infrastructure Group (abbreviated as E&IG) is the infrastructure and service delivery organisation of the Australian Department of Defence responsible for environmental stewardship, land management and facilities maintenance of the Australian Defence Force. The Group is led by the Deputy Secretary for Estate and Infrastructure. History The agency's name was changed from Defence Support and Reform Group (DSRG) to Defence Estate and Infrastructure Group on 1 July 2015. Role and responsibilities The Defence Estate and Infrastructure Group which oversees a budget in excess of $3 billion, with an asset base with a gross replacement value in excess of $62 billion and around 2,100 civilian and 550 military staff. The Defence Estate and Infrastructure Group also maintains environmental stewardship of over 3 million hectares of land with more than 300 managed properties and maintains and operates more than 25,000 buildings. Organisational structure Infrastructure Division Capital Facilities and Infrastructure Branch Environment and Engineering Branch Estate Planning Branch Property Management Branch Service Delivery Division Regional Services Branch Estate Service Delivery Branch Service Delivery Program Management and Governance Branch See also Department of Infrastructure, Regional Development and Cities References External links Official Defence Estate and Infrastructure Group website Defence estate management agencies Australian Defence Force Leadership of the Australian Defence Force Defence agencies of Australia