HMS Anson was submerged completely in a 'trim dive' at Devonshire Dock in Barrow. Crew tested onboard systems were water-tight, as well as other capabilities. The 7,400-tonne, 97 meter-long HMS ...

Anson is the fifth of the new Astute-class submarines to join the Royal Navy fleet, joining HMS Astute, Ambush, Artful and Audacious. The world's most advanced hunter-killer submarine, HMS Anson ...