The timelines for Pillar One of the AUKUS partnership forecast that Australia will host the Submarine Rotational Force – West (SRF-West) at HMAS Stirling from as early as 2027; operate US Virginia-class nuclear-powered submarines during the 2030s, and then build, sustain and operate SSN-AUKUS nuclear-powered submarines in the 2040s and beyond, Australian Defence Magazine reports.