AUKUS
AUKUS ( AW-kəs), also styled as Aukus, is a trilateral security partnership between Australia, the United Kingdom, and the United States, which have stated that its goals are to "promote a free and open Indo-Pacific that is secure and stable." Initially announced on 15 September 2021, the partnership involves two lines of effort referred to as pillars. Pillar 1 focuses on Australia acquiring nuclear-powered attack submarines and the rotational basing of US and UK nuclear-powered attack submarines in Australia.