- Start
- Sep 25, 202690% CONFIDENCEfrom the source
HMS Agamemnon, the Sixth Astute-Class Submarine, Sails for Sea Trials
- HMS Agamemnon, nicknamed 'Awesome Aggie', sailed from BAE Systems' Barrow-in-Furness shipyard on 25 September 2026 to begin sea trials before joining the Royal Navy[1]
- She is the sixth Astute-class boat; the UK submarine industrial base has GBP 6 billion of government investment over the Spending Review period[1]
- Prime Minister Andy Burnham and Defence Secretary Wes Streeting welcomed the milestone; the Chief of Defence Nuclear tied future submarine production to the recent Defence Investment Plan[1]
- The boat was laid down in July 2013 and launched in October 2024[2]
Notable features
- 7,400 tonnes and 97 metres long, the largest and most powerful attack submarines the Royal Navy has operated[1]
- A Rolls-Royce reactor built in Derby means she will not need refuelling for her whole service life[1]
- Armed with Spearfish heavyweight torpedoes and Tomahawk IV land-attack missiles with a range of more than 1,000 miles[1]
References 281% CONFIDENCE
The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
- [1]90%gov.uk/government/news/sixth-powerful-attack-submarine-departs-barrow-in-furness-for-sea-trialsgov.uk· Posted Sep 27, 2026· Starts Sep 25, 2026 ✓· 50% of score
The Ministry of Defence release published on 25 September 2026: 'Latest Astute Class submarine, HMS Agamemnon has sailed from the BAE Systems shipyard in Barrow-in-Furness.'
- [2]72%HMS Agamemnon (S124)en.wikipedia.org· Added Sep 27, 2026· 50% of score
Gives the boat's build history: laid down on 18 July 2013 and launched on 3 October 2024 at Barrow.[1]
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