 FRUMEL was a US Navy organisation, reporting directly to CiCPAC (Admiral Nimitz) in Hawaii and the Chief of Naval Operations (Admiral King) in Washington, and hence to the central cryptographic organization.The separate Central Bureau in Melbourne (later Brisbane) was attached to (and reported to) MacArthur's Allied South West Pacific Area command headquarters.FRUMEL was established at the Monterey Apartments in Queens Road in early 1942, and was made up of three main groups.