Steven Drysdale misread the mound as being positioned at a depth of 723 meters, rather than 132 meters, and ordered the submarine to dive down to 250 meters. Following the collision, HMS Superb ...
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 ...