AUKUS-Class Submarine

Full Specifications

AUKUS-Class Nuclear Attack Submarine

The AUKUS submarine program marks a major shift in undersea warfare for the Indo-Pacific. Developed under the AUKUS security partnership between the United States, United Kingdom, and Australia, the program aims to deliver nuclear-powered attack submarines to the Royal Australian Navy for the first time.

Program Origin and Purpose

The AUKUS submarine is based on U.S. and U.K. nuclear submarine experience, drawing heavily from the U.S. Virginia-class and the future British SSN(R) design. Construction and technology transfer are led by U.S. and U.K. shipbuilders, with Australian industry gradually integrated. The platform is designed for long-range patrols, sea denial, intelligence collection, and support of allied naval operations across the Pacific and Indian Oceans.

Capabilities and Technology

Nuclear propulsion gives the AUKUS submarine virtually unlimited range and endurance, limited mainly by crew sustainment. It can remain submerged for months, offering a major advantage over diesel-electric submarines. Advanced sonar arrays, low-noise propulsion, and anechoic hull coatings provide strong stealth characteristics.

The submarine is expected to carry heavyweight torpedoes, naval mines, and cruise missiles for land attack and anti-ship roles. Integrated combat systems and secure communications allow close coordination with U.S. Navy and allied forces. Future upgrades are expected to include unmanned underwater vehicle support and improved electronic warfare systems.

Operational Role

Once operational, AUKUS submarines will strengthen allied deterrence, protect sea lanes, and enhance undersea awareness in contested waters. Their presence supports U.S. and allied strategies focused on maintaining freedom of navigation and regional stability.

AUKUS-Class Submarine Price

The AUKUS submarine program does not have a fixed commercial price like a consumer product. Based on similar nuclear attack submarines built by the United Kingdom and United States, each unit in UK service is estimated to cost around 2.5–3.5 billion GBP when accounting for construction, nuclear propulsion systems, crew training, and long-term support. This figure reflects defense procurement practices in the UK and allied subsea programs. If you want, I can also provide a breakdown of cost components and comparison to other SSN classes.