ASD declassified
ASD’s declassification program releases archived holdings into the public domain to encourage a greater understanding of the nature of our activities.
The origins of the Australian Signals Directorate trace back to the Second World War, where Australian ingenuity helped shape the course of history. After the war, in 1947, Australia’s wartime signals intelligence capability transitioned into a peacetime signals intelligence organisation headquartered in Albert Park, Melbourne.
Explore the stories that continue to inspire our mission today.