Capability Acquisition and Sustainment Group
| Organisation overview | |
|---|---|
| Formed | 2015 |
| Preceding Organisation |
|
| Dissolved | 2025 |
| Jurisdiction | Australian Government |
| Headquarters | Canberra, Australia |
| Employees | 7000+ |
| Annual budget | A$17 billion(2020–21) |
| Minister responsible | |
| Organisation executives |
|
| Parent department | Department of Defence |
| Website | Defence - CASG |
The Capability Acquisition and Sustainment Group (CASG) was an organisation within the Australian Department of Defence, responsible for acquisition, supply chain management, and sustainment of military equipment and materiel including aircraft, ships, vehicles, electronic systems, weapons, ordnance, uniforms and rations for the Australian Defence Force. CASG employed more than 7000 military, civilian and contracted staff in more than 70 locations around Australia and internationally.
CASG was established in June 2015 after the Defence Materiel Organisation was disbanded after recommendations from the First Principles Review.
As of 30 June 2021, Defence through the Capability Acquisition and Sustainment Group (CASG) was managing 161 major projects and 13 minor acquisition projects, at various phases in the Capability Life Cycle, worth a total of $121.6 billion, with an annual acquisition budget was A$9.3 billion. CASG was also managing 109 sustainment products with a total annual budget of A$7.7 billion; for a total annual budget of A$17.0 billion.
On 1 December 2025, Defence minister Richard Marles announced the merger of CASG, Guided Weapons and Explosives Ordnance Group (GWEO), and Naval Shipbuilding and Sustainment Group (NSSG) into the Defence Delivery Group (DDG) from 1 July 2026.