British U-class submarine
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The British U-class submarines were a class of 49 small submarines built just before and during the Second World War. The class is sometimes known as the Undine class, after the first submarine built.
U-class submarine HMS Ultimatum departing Holy Loch, August 1943
The S-class submarines of the Royal Navy were originally designed and built during the modernisation of the submarine force in the early 1930s to meet the need for smaller boats to patrol the restrict
British U-class submarine
…submarine built. A further development was the British V-class submarine of 1942. At the start of the Second World War the U class was, with the British S and T-class submarines, the Dutch O 21 class and German Type VII one of the most advanced submarine classes in service. The Royal Navy was limited to…
HMS Stonehenge