Defence & veteransAgency
Defence Signals Branch
DSB
1949 – 1964
Previously Defence Signals Bureau (1947–1949). Renamed Defence Signals Division in 1964.
Signals intelligence and communications security branch of the Department of Defence, based in Melbourne.
Names over time
- Defence Signals Bureau1947–1949
- Defence Signals Branch1949–1964
- Defence Signals Division1964–1978
- Defence Signals Directorate1978–2013
- Australian Signals Directorate2013–present
How it came into existence
Renamed from the Defence Signals Bureau in 1949, continuing as a branch of the Department of Defence.
How it ended
Renamed the Defence Signals Division in 1964.
Main functions
- Signals intelligence collection and analysis
- Cryptanalysis
- Communications security
Where it sits
Last in the portfolio of Department of Defence.
Lineage
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Sources
Some dates or links for this organisation are not fully confirmed. Corrections are welcome.