Defence Establishment Orchard Hills

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Defence Establishment Orchard Hills
Orchard Hills, Sydney, New South Wales in Australia
Defence Establishment Orchard Hills is located in Sydney
Defence Establishment Orchard Hills
Defence Establishment Orchard Hills
Location in Greater Sydney
Coordinates 33°48′44″S 150°41′31″E / 33.812264°S 150.6918705°E / -33.812264; 150.6918705Coordinates: 33°48′44″S 150°41′31″E / 33.812264°S 150.6918705°E / -33.812264; 150.6918705
Area 1,740 hectares (4,300 acres)
Site information
Owner Department of Defence
Operator  Royal Australian Air Force
Site history
In use 1940s – present
Garrison information
Occupants Defence Explosive Ordnance Training School

The Defence Establishment Orchard Hills (abbreviated as DEOH) is a tri-service munitions storage base of particular importance to the Royal Australian Air Force (RAAF). Located in Orchard Hills, in the western suburbs of Sydney, New South Wales, Australia, the main role of the establishment is for storage and distribution. The base is also home to the RAAF-run Defence Explosive Ordnance Training School, which provides training in handling explosives to all branches of the Australian Defence Force.[1]

As well as the storage of munitions, other activities carried out on the 1,740-hectare (4,300-acre) site include the use of weapon ranges, firing ranges, fire training areas, and fuel storage and distribution from above ground and underground storage tanks. The site also contains a sewerage treatment plant, and two landfills for waste disposal from both site operations and general non-putrescible refuse, including building rubble.[2]

Also located on site is the privately-owned Thales Ordnance Training Centre, an accredited Registered Training Organisation that provides qualifications specific to explosives, and covering the disciplines of storage, transport, manufacture and proofing of explosive ordnance.[3]

See also[edit]


  1. ^ "Defence Explosive Ordnance Training School". Units: Royal Australian Air Force. Department of Defence, Australian Government. Retrieved 21 May 2011. 
  2. ^ "Defence Establishment Orchard Hills, New South Wales" (PDF). Department of Defence. Australian Government. 1 October 2013. Retrieved 29 August 2017. 
  3. ^ "Armaments Services" (PDF). Thales Australia. 16 October 2012. Retrieved 29 August 2017.