HMS Anson, the fifth Astute class submarine, which BAE Systems has designed and built for the Royal Navy, has departed the Company's shipyard in Barrow-in-Furness, Cumbria, and headed out to open sea for the first time.

BAE Systems delivers fifth and most advanced Astute submarine to the Royal Navy

HMS Anson, which was formally commissioned into the Royal Navy during a ceremony in Barrow last year, is 97 metres long and weighs 7,400-tonnes.