Submarine warfare played a pivotal role in the Battle of the Atlantic as German U-boats targeted merchant ships and troop carriers from the US and other Allied nations. The underwater predators ...

By 1914 the submarine was not a new weapon, having first been used 150 years earlier. By the start of WW1 all the major ...

291–310, 333–34. 16. Hezlet, The Submarine and Sea Power, pp. 85–92; Tarrant, The U-Boat Offensive, pp. 31–46; Halpern, A Naval History of World War I, pp. 335–39. 17. “One merchant ship in four”: ...

Duke's Auctioneers The white bars signify merchant ships and the red bars represent warships sunk by the submarine When the flag came to light in the loft, Mr Sharp said: "I didn't know what it ...

Submarine warfare played a pivotal role in the Battle of the Atlantic as German U-boats targeted merchant ships and troop carriers from the US and other Allied nations. The underwater predators sank ...