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While the U.S. remains the dominant partner in AUKUS, closer collaboration between Canberra and London will be vital to its success.
From left: British Foreign Secretary Yvette Cooper, Australian Foreign Minister Penny Wong, British Defense Secretary John Healey, and Australian Defense Minister Richard Marles attend the Australia–U.K. Ministerial Consultations (AUKMIN) at Lancaster House in London, Jun. 10, 2026.
In December, at AUSMIN – the annual Australia-United States ministerial consultations – Australia received American political assurances on AUKUS, while questions remained over U.S. industrial capacity and strategic attention to the Indo-Pacific.
AUKMIN, Australia’s equivalent format with the United Kingdom, held this year in London on June 10, was equally reassuring in message. The U.K.-Australia defense relationship rests on deep institutional familiarity, in terms of intelligence, military cooperation, and an increasingly connected industrial base. However, just as AUKUS faces industrial pressure in the United States, it also faces fiscal and social pressures in both the U.K. and Australia. The question after this year’s ministerial meeting is whether the U.K.-Australia relationship can carry more of AUKUS’s practical burden.
