Nuclear submarine HMS Agamemnon performs maiden dive at Barrow and moves into final phase of testing before joining the Royal Navy fleet
A BAE Systems announced the successful completion of the first underwater tests of the HMS Agamemnonthe world’s newest nuclear-powered attack submarine United Kingdom. The technical milestone took place at the company’s shipyard in Barrow-in-Furnessjust a few weeks after the vessel was formally commissioned by His Majesty King Charles III.
During the call compensation divingcarried out over three days in the Devonshire Dockengineers tested the submarine’s stability, buoyancy and safety while submerged. According to BAE Systems, the exercise represents “a key step in preparing for the departure of HMS Agamemnon from Barrow to join her sister ships in the operational fleet”.
Weighing 7,400 tons and with 97 meters longHMS Agamemnon is the sixth submarine in the Astute classone of the UK’s most sophisticated defense programmes. The series began with HMS Astute in 2010 and also includes submarines Ambush, Artful, Audacious e Ansonwhile the seventh and last boat in the class — the HMS Achilles (formerly Agincourt) — is under construction.
Advanced capabilities and strategic mission
The Astute-class submarines are renowned for their combination of stealth, endurance and firepower. Equipped with Tomahawk missiles ground attack and torpedos Spearfish high precision, they can operate globally for long periods without the need to emerge.
Officially commissioned in September 22, 2025HMS Agamemnon was welcomed into the Royal Navy fleet in a ceremony presided over by King Charles III at Barrow Dockyard. The event marked the entry of yet another essential asset to guarantee British submarine superiority in an increasingly challenging maritime scenario.
Towards sea trials
BAE Systems highlighted that the successful underwater trials reinforce the UK’s ongoing commitment to investing in next-generation deterrence and defense technologies. HMS Agamemnon now moves into the final systems integration and calibration phase before work begins. non-marine testsa decisive step towards its definitive incorporation into the fleet.
Source and images: Royal Navy. This content was created with the help of AI and reviewed by the editorial team.
