The sun is shining in Barrow-in-Furness, south-west Cumbria, just in time for the arrival of HRH the Duchess ofCornwall. She's visiting to launch the Royal Navy's largest and most powerful attack submarine - the HMS Astute. Commissioned by the Ministry of Defence for the Royal Navy, the Astute submarine sets a new standard for the navy in terms of weapon load, stealth and crew comfort. It is one the most complex engineering projects in the UK.
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