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UK Begins Work On Next Generation Nuclear-Powered Attack Submarine


Apr 28, 2011
HMS Ambush Returning to HMNB Clyde, Scotland
Pictured is Astute-class SSN HMS Ambush returning to HMNB Clyde in Scotland.

UK Begins Work On Next Generation Nuclear-Powered Attack Submarine

BAE Systems and Rolls-Royce will undertake concept and design work for the Royal Navy's next generation of nuclear-powered attack submarines (SSN) which will replace the Astute-class.

Xavier Vavasseur 18 Sep 2021

UK MoD press release

Design work for the next-generation of Royal Navy submarines is underway following the award of two contracts to UK industry, the Defence Secretary Ben Wallace has today announced.

Two contracts worth £85 million each had been awarded to BAE Systems and Rolls-Royce to deliver design and concept work for a future Class of Royal Navy submarine.

Over the next three years and supporting 350 jobs in the process, the contracts will deliver design work to inform a future decision which will help define the replacement approach for the Astute Class submarines – the nuclear powered fleet of submarines (SSNs) currently in service with the Royal Navy.

Defence Secretary Ben Wallace said:
“Marking the start of a new journey for the Royal Navy’s submarines, British designers and engineers will lead the way in developing submarines for our Royal Navy.
“This multi-million pound investment ensures that this vital capability will be ready to replace our Astute Class submarines as they come out of service, whilst supporting high-skilled jobs across the Midlands and North West of England.”

In his role as Shipbuilding Tsar, the Defence Secretary is firmly committed to supporting the UK shipbuilding and maritime industries, of which these contracts will play an important role. Underpinned by the Prime Minister’s £24 billion increase in defence spending across four years, these contracts build upon commitments outlined in the recent Defence Command Paper ensuring that the Royal Navy has a world-leading underwater capability prepared to meet future threats.

Submarine Delivery Agency CEO, Ian Booth said:
“Designing and building submarines is one of the most complex and challenging feats of engineering that the maritime industry undertakes.
“It is essential that work on the next generation underwater capability commences as early as possible. This relies on some of the nation’s most experienced defence nuclear experts from the very beginning of the design phase.”

The industry teams, including Babcock International, are working closely with MOD to mature early design work on a range of options for a new crewed nuclear-powered submarine known as the Submersible Ship Nuclear Replacement (SSNR).

The contract with BAE Systems in Barrow will sustain around 250 roles at the shipyard to develop the platform design and delivery arrangements. At Rolls Royce in Derby, approximately 100 jobs are expected to be sustained through the contract for the development of the Nuclear Steam Raising Plant and the production arrangements.

UK Begins Work on Next Generation Nuclear-Powered Attack Submarine - Naval News


May 27, 2018
United Kingdom
United Kingdom
I would like to think that the UK Next Generation submarine Programme for the replacement of the Astute would form the basis of what Australia wants, with an interim lease of new build Astute class submarines to tide them over.

However, the sums of money involved are too large for the Americans to not insist on the Virgina class being the foundation of this programme.

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