AUKUS, the Australia-UK-U.S. security partnership first announced on September 15, 2021, was established to strengthen deterrence by enhancing the three nations' submarine capabilities and deepening their cooperation on cutting edge defense technologies. Five years on, Jon Ahlstrom, CSIS Australia Chair Adjunct Fellow (Non-resident), and Angelina Bruno, Michael and Deborah Thawley Fellow, examine the origins, evolution, and strategic objectives of AUKUS.
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