Major Development Toward Programme
US nuclear submarine docks at HMAS Stirling near Rockingham, Western Australia ahead of AUKUS rotations - The Age
Why it matters
A US nuclear-powered submarine berthing at HMAS Stirling marks another step toward Submarine Rotational Force-West, under which US and UK boats are to operate from Western Australia from 2027. The visits test maintenance infrastructure, nuclear safety and regulatory arrangements, and Australian workforce readiness — the practical prerequisites for hosting rotational submarines. It also deepens Australia's entanglement in US force posture in the Indian Ocean, raising both deterrence value and the political costs of any future AUKUS slippage.
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