On 15 September 1944, Brisbane was a major U.S. Naval base. In a secret CinC, SWPA letter AG-461 dated 30 June 1944, it was reported that Brisbane provided an Operating Base for:-
* Task Forces
* Submarines and Escort Craft
* Convoy assembly port
It provided Logistic support as:-
* Commander Services Force, Seventh Fleet, Subordinate Command, Australia
* Commander Task Group 71.9
* Merchant Marine Hearing Unit
* Submarine Repair Unit, U.S. Naval Base
* 7th Amphibious Force Progress Section, Ship Repair Unit, Naval Supply Depot and Receiving Ship |