Cero of the US Navy - American Submarine of the Gato class - Allied Warships of WWII
Flounder of the US Navy - American Submarine of the Gato class - Allied Warships of WWII
Daily Lazy: WWII Japanese submarine aircraft carrier + video
This photo from 1943 shows the mass production of U-boot on a german shipyard. For minimizing the damage caused by aerial attacks, the parts of these submarines were produced in separated and distant places, to be later transported to the shipyards where the submarines could be then quickly assembled and equipped.
U-boats caused havoc in World War Two during the Battle of the Atlantic. U-boats were so damaging that Winston Churchill commented that it was the only time in World War Two that he thought Britain would have to contemplate surrendering.
HMS Hood, The largest battlecruiser ever built, she famously confirmed the fundamental flaw in the concept when she came up against the modern German battleship Bismarck in May being fatally vulnerable to heavy calibre plunging fire.
HMS Duke of York - King George V-class battleship - I think that she was one of 3 battleships we saw in Devonport Dockyard in 1957 when on a boat trip around Plymouth. The others were HMS Howe & 1 other.
The calculated gyro angle – together with the torpedo spread angle – was transmitted by means of selsyn links to the gyro angle receivers that were located in the forward and aft torpedo rooms. The active gyro angle receiver was selected by means of the right hand rotary switch located on the aiming subsystem control box front panel, which was installed in the control room (under the chart table).