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Pentagon Endorses AUKUS Submarine Deal, Clearing Way For Australia’s Virginia-Class Nuclear Subs

Pentagon Endorses AUKUS Submarine Deal, Clearing Way For Australia’s Virginia-Class Nuclear Subs

What Happened: The U.S. Department of Defense has endorsed the trilateral AUKUS security pact, supporting plans for Australia to acquire at least three Virginia-class nuclear submarines within 15 years.

Key Findings: A five-month review found the agreement aligns with President Trump's "America First" agenda and recommended measures to strengthen the partnership. Sales are due to begin in 2032, and the program could cost up to US$235 billion over 30 years.

Outlook: AUKUS includes technology transfers to enable Australia to build submarines domestically and is described by officials as a long-term, evolving agreement.

Pentagon Endorses AUKUS Agreement

The Pentagon on Thursday announced it has endorsed the trilateral AUKUS security pact between the United States, the United Kingdom and Australia. The agreement envisions Canberra acquiring at least three Virginia-class nuclear-powered attack submarines within 15 years, with initial sales scheduled to begin in 2032.

Five-Month Review

The Department of Defense concluded a five-month review that backed the 2021 AUKUS framework. Pentagon spokesman Sean Parnell said the review found the pact to be "in alignment with President Trump's America First agenda" and identified opportunities to strengthen the partnership.

"Consistent with President Trump's guidance that AUKUS should move 'full steam ahead,' the review identified opportunities to put AUKUS on the strongest possible footing." — Pentagon spokesman Sean Parnell

Political Support And Strategic Goals

Representative Joe Courtney, the top Democrat on the U.S. House subcommittee overseeing sea power, welcomed the outcome, saying the review shows the pact aligns with national security interests. Courtney, a vocal congressional supporter of AUKUS, represents a Connecticut district that hosts the U.S. submarine manufacturing complex.

The AUKUS initiative aims to equip Australia with advanced U.S.-built submarines and to deepen trilateral cooperation on a range of defense technologies. The submarines are central to Australia's effort to bolster long-range strike and deterrence capabilities in the Indo-Pacific.

Costs, Timelines And Industrial Cooperation

Australian officials estimate the program could cost up to US$235 billion over the next 30 years. The agreement includes technology transfers and provisions for Australia to develop domestic submarine construction capabilities over time.

Australia’s Defence Industry Minister Pat Conroy said he welcomed the U.S. review and described AUKUS as a "living agreement" expected to evolve over decades. Conroy added Canberra will work constructively with the review's recommendations and noted that Washington will decide whether to release the full review publicly.

Legacy And Diplomatic Context

The AUKUS announcement recalls a major diplomatic rift with France in 2021, after Australia canceled a multibillion-dollar contract for diesel-electric submarines in favor of the AUKUS approach. Supporters argue the pact enhances regional deterrence and technology sharing among close allies.

What’s Next: Implementation will require sustained political commitment, industrial planning, and further details on technology sharing and construction timelines as the partners move from agreement to delivery.

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