Fleet Radio Unit, Melbourne

[2] The separate Central Bureau in Melbourne (later Brisbane) was attached and reported to General Douglas MacArthur's Allied South West Pacific Area command headquarters.

The second was Commander Eric Nave's small Royal Australian Navy-supported cryptography unit, which had moved to the Monterey Apartments from Victoria Barracks in February 1942.

[3] These included Thomas Room, Dale Trendall, Athanasius Treweek, Eric Barnes, Jack Davies and Ronald Bond.

[4] The third group was a trio of British Foreign Office linguists (Henry Archer, Arthur Cooper and Hubert Graves), and Royal Navy support staff, evacuated from Singapore, particularly from the Far East Combined Bureau (FECB) there.

Fabian was "a highly professional officer with an air of authority and a hint of Central European sophistication",[4] although he was born in Butte, Montana in 1908.