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.
Since 1947, ASD has collected intelligence about foreign adversaries while keeping our own national secrets safe. Explore ASD's history and trace its origins back to the Second World War, when Australian Navy, Army and Air Force personnel were brought together to intercept and decode radio signals.
