The United States Navy will deploy a nuclear-powered submarine squadron to a strategic Australian navy port this year, Canberra's defence minister said on Friday.

As part of the AUKUS security pact, NSA Stirling will provide support for personnel assigned to Submarine Rotational Force-West.

The United States Navy will deploy a nuclear-powered submarine squadron to a strategic Australian navy port this year, Canberra's defence minister said on Friday.