The United States, United Kingdom and Australia on Sept. 15 announced the formation of AUKUS, bringing together three Anglo maritime democracies in a mutual multilayered defense partnership, focused primarily on the Indo-Pacific, and — though not explicitly stated — against China. As part of the arrangement, AUKUS is launching an 18-month program to accelerate Australia's acquisition of nuclear-powered submarines, undercutting a French sale of conventional submarines to Canberra and ending a decadeslong Australian struggle with submarine development and procurement. As such, the United States is now granting Australia access to technologies previously only shared with the United Kingdom. AUKUS is designed to bring together the U.S. shift to an Indo-Pacific focus, give some clarity to the idea of Global Britain and commit Australia to a proactive security role in the Pacific. Given the initial focus on nuclear propulsion technology, AUKUS is unlikely to be the nucleus of a larger grouping.