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The Cray X-MP supercomputer installed in 1986 was purchased to support, improve and modernise DSD’s cryptologic and signals analysis research and processing capabilities.

In 1966, Prime Minister Harold Holt announced an increase in Australia’s contribution to the defence of South Vietnam.

The conflict between Indonesia and Malaysia took place mainly on the island of Borneo.

On 23 July 1946, the Australian Government approved in principle the establishment of the Signals Intelligence Centre in Melbourne as part of the British Commonwealth Signals Intelligence Organisation.

HMAS Coonawarra wireless transmitting station initially begun operating on 18 September 1939 and provided essential communications service in support of Allied operations in the South West Pacific regions.

In this second and final release of ASD records on Vietnam operations, 547 Signal Troop continues its outstanding Sigint coverage of Phuoc Tuy province. It outlines some of the new technologies being developed and trialled to collect Sigint at the time, including the Airborne Radio Direction Finding (ARDF) capability.

No 3 Telecommunication Unit (3TU) was a RAAF unit which, in its 45 years of operation, received little publicity or acknowledgement. The unit performed specialist communications tasks in strategic and tactical support to the ADF both in Australia and overseas.

INFUSE was the Australian Signals Directorate's (ASD's) first electronic computer and operated at our Albert Park Barracks headquarters from 1958 to 1966. Designed and built in the United Kingdom, it was an evolution of the WW2-era COLOSSUS, which was arguably the world’s first computer.