Northern Australian ports were within reach of Japanese long-range bombers.

The existing port facilities at Adelaide were large enough to support the staging of future actions.

In 1944 use of the distant Port of Adelaide lessened as newer bases closer to the action were built.

Due to port limitations, the depots were set up inland, and rail lines and trucks were used to move supplies.

[6][7] Both the US Navy and US Army used some of the nearby Australian Airfields: a:.^ New Zealand-registered MV Hauraki was captured by Japanese armed merchant cruiser Aikoku Maru near Ceylon, 12 July 1942. b:.^ Possibly SS Barossa c:.^ For SS Wilbur Wright, see List of Liberty ships (S–Z)