Will AUKUS require major expansion of British submarine-building facilities?
Short answerPerhaps less than expected: Britain has unused yard capacity, and reactor modules could be built there while Australia performs final assembly with Anglo-American systems.
NotesBritain's submarine yard has unused building positions, so immediate expansion there may be less important than it appears. A plausible division would manufacture reactor modules in Britain, supply other systems from Britain or the United States, and assemble the boats in Australia. That arrangement would combine protected nuclear expertise with the political requirement to establish an Australian construction base. It remains an informed forecast rather than a settled program plan.