The Department of Defence has been busy denying that it may develop a naval port at Glyde Point, 40km northeast of Darwin. It doesn’t deny that the territory government may be encouraged to build one itself. Wink, wink.

If Australia is keen to ensure that the US remains engaged in the region (and dedicated to Australia’s defence), nothing says commitment like infrastructure.

The most attractive feature of building a naval port at Glyde Point may be its future use by the RAN itself. China has announced plans to build a “fishery industrial park” at Daru on the south coast of Papua New Guinea. With no fish in the water but Australia within sight, the planned facility presumably is aimed at threatening the Torres Strait.

"no American ally is potentially more important than"