British submarine HMS Audacious completes first dive

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British submarine HMS Audacious completes first dive
By Ed Adamczyk

Jan. 17, 2018

Britain's newest nuclear-powered submarine, the HMS Audacious, successfully completed its first dive on Monday at the Barrow, England, facility where it was built. Photo courtesy of BAE Systems

Jan. 17 (UPI) -- The HMS Audacious, Britain's latest nuclear-powered submarine, has successfully completed its first dive, reports shipbuilder BAE Systems.

The Royal Navy's fourth Astute-class attack submarine was completely submerged for the first time at the company's Barrow, England, facility, and many of the 318-feet long vessel's onboard systems were successfully tested.

The submarine is capable of carrying Tomahawk missiles and striking targets up to 600 miles away.

The Audacious was launched in 2017, and will undergo sea trials later this year.

At the time of its launch, BAE Systems Submarines managing director Will Blamey said the ship "enters the water in a more advanced state of build than any previous Astute-class submarine, which puts us in a good position for the next phase of work, the testing and commissioning of her complex systems."

The submarine joins the Astute-class vessels, the HMS Astute, HMS Artful and HMS Ambush, which are already in service with the Royal Navy. Three more submarines of the class are currently under construction.

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Watch the Royal Navy’s fourth Astute-class submarine complete first dive
January 16, 2018

The Royal Navy’s fourth Astute-class submarine, Audacious, completed her first ever dive last week, shipbuilder BAE Systems announced.

BAE Systems also shared a video of the trim and basin dive which took place over two days in Devonshire Dock, at the company’s site in Barrow-in-Furness .

The operation, which saw Audacious submerge fully under water for the first time, tested many of her on-board systems, and proved the safety and stability of the 7,400-tonne, 97 metre-long attack submarine.

Employees from BAE Systems worked alongside Audacious’ crew, including its commanding officer, Captain Scott Bower, to complete the test.

Officially named in December 2016 and launched in April last year, Audacious is scheduled to leave Barrow for sea trials later this year.

HMS Astute, HMS Artful and HMS Ambush are already in-service with the Royal Navy. Boats 5 and 6, Anson and Agamemnon, along with a seventh, as yet unnamed, Astute-class submarine are in different stages of construction at the Barrow site.

The infographic below illustrates the purpose of a trim dive conducted by Astute-class submarines.

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