US Navy Establishes Permanent Base in Western Australia to Support AUKUS

The facility will allow nuclear-powered fast-attack submarines from the United States and the United Kingdom to rotate in and out.

The Virginia-class fast-attack submarine USS Minnesota (SSN 783) prepares to moor at HMAS Stirling, Western Australia, Australia, Feb. 25, 2025. U.S. Navy photo by Lt. James Caliva

The United States Navy has begun establishing a permanent base in Western Australia to support its personnel working on the AUKUS nuclear-powered submarine project.

Naval Support Activity (NSA) Stirling will provide support services for U.S. service members, civilian personnel, contractors, and their families assigned to Submarine Rotational Force-West (SRF-West).