Former senior NATO figure and arms control negotiator Rose Gottemoeller delivered the 2025 Owen Harries Lecture on Monday 24 March in Sydney. She reflected on a new era of nuclear weapons competition.

China is rapidly growing and modernising its nuclear arsenal while Russia has used nuclear sabre-rattling in its war in Ukraine. Rose Gottemoeller explores the advent of an unprecedented situation — three nuclear peers — and the implications for the United States and its allies. She will also discuss the possibilities for nuclear restraint and arms control.
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Since 2013, the Owen Harries Lecture has honoured the enormous contribution made to the international debate in Australia and the United States by Owen Harries, who was a Nonresident Fellow at the Lowy Institute.

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