HMS Anson is £1.3bn of both naval stealth and striking power say the Royal Navy – able to gather vital intelligence, protect other Royal Navy vessels from threats above and below the waves and destroy enemy military infrastructure with pinpoint accuracy. The latest Astute class submarine to be built by BAE Systems, HMS Anson, was officially commissioned into the Royal Navy during a ceremony at BAE Systems’ site in Barrow-in-Furness, Cumbria, today. Taken more than 11 years to build.