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handle is hein.crs/goveeop0001 and id is 1 raw text is: Congressional
~ Research Service E
New Developments in the United States'
Strategic and Defense Ties with Australia
September 16, 2021
The Biden Administration is pushing to strengthen the U.S. alliance and is making it a cornerstone of a
broader Indo-Pacific strategic architecture. On September 15, the White House announced anew
Australia-United Kingdom-United States (AUKUS) trilateral security partnership. The three countries
formed the new pact during the 70th anniversary year of the 1951 Australia-New Zealand-United States
(ANZUS) Treaty, and some in the region have labeled AUKUS as ANZUS 2.0. The AUKUS agreement
was announced just prior to the 2021 Australia-United States Ministerial (AUSMIN) meetings held on
September 16, and President Joe Biden will host Australian Prime Minister Scott Morrison as part of the
Quadrilateral (Quad), meetings with their counterparts from Japan and India on September 24, 2021,
suggesting additional initiatives may be announced. Australia's strategic ties with the United States now
operate through the ANZUS alliance, the Five Eyes intelligence sharing group, the Quadrilateral Security
Dialogue, and the new AUKUS agreement. Congress may be interested in these developments as part of
its oversight of alliance relations and the United States' strategy toward the Indo-Pacific region or due to
potential large arms sales.
AUKUS
Some observers have described the AUKUS security pact as the most significant security arrangement
between the three nations in a generation in what's seen as an effort to counter China. President Biden
stated in announcing the pact that AUKUS will update and enhance our shared ability to take on the
threats of the 21st century just as we did in the 20th century: together. Biden referenced that the three
nations have stood shoulder-to-shoulder and fought together in WWI, WWII, Korea, and the Persian
Gulf, and that AUKUS seeks to maintain and expand our edge in military capabilities and critical
technologies, such as cyber, artificial intelligence, quantum technologies, and undersea domains. 
The pact focuses mostly on developing military capability, and opens the way for Australia to build
nuclear-powered submarines. Australia reportedly plans to build approximately eight nuclear-powered
submarines in Adelaide. Currently there are six nations that operate nuclear powered submarines, and the
UK, and now Australia, are the only nations with which the United States shares nuclear propulsion
technology. Nuclear-powered submarines do not have the same limitations as conventional submarines
Congressional Research Service
https://crsreports.congress.gov
IN11762
CRS INSIGHT
Prepared for Membersand
Committeesof Congress

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