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Welcome to HMS Astute’s web pages.

HMS Astute is the first of a new Class of submarine that will be the largest and most powerful nuclear attack submarines ever built for the Royal Navy.

HMS Astute’s capacity for sustained high speed combined with almost unlimited endurance enables a truly global reach.  Deployed SSNs are inherently at high readiness, they can move over 500 miles in a day, allowing them to redeploy to any theatre in the world within 14 days.  The SSN’s stealth is a key attribute, allowing it to operate covertly, with little risk of counter-detection, this provides strategic and operational flexibility.  The Astute design extends the current SSN capacity to fully exploit the underwater environment, including littoral waters, allowing it to integrate even more closely with other joint forces to deliver a range of effects, some far inshore”

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