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  2. Submarine warfare - Wikipedia

    en.wikipedia.org/wiki/Submarine_warfare

    Submarine warfare consists primarily of diesel and nuclear submarines using torpedoes, missiles or nuclear weapons, as well as advanced sensing equipment, to attack other submarines, ships, or land targets. Submarines may also be used for reconnaissance and landing of special forces as well as deterrence. In some navies they may be used for ...

  3. Unrestricted submarine warfare - Wikipedia

    en.wikipedia.org/wiki/Unrestricted_submarine_warfare

    Unrestricted submarine warfare. German U-boat U-14 (early 1910s) Unrestricted submarine warfare is a type of naval warfare in which submarines sink merchant ships such as freighters and tankers without warning. The use of unrestricted submarine warfare has had significant impacts on international relations in regards to both the First World War ...

  4. Western Approaches Tactical Unit - Wikipedia

    en.wikipedia.org/wiki/Western_Approaches...

    The crest was a relic from the destroyer HMS Tactician, decommissioned in 1931. The Western Approaches Tactical Unit (WATU) was a unit of the British Royal Navy created in January 1942 to develop and disseminate new tactics to counter German submarine attacks on trans-Atlantic shipping convoys. [ 1 ] It was led by Captain Gilbert Roberts and ...

  5. Torpedo Data Computer - Wikipedia

    en.wikipedia.org/wiki/Torpedo_Data_Computer

    Torpedo Data Computer. U.S. Navy Mk III Torpedo Data Computer, the standard US Navy torpedo fire control computer during World War II. Later in World War II (1943), it was replaced by the TDC Mk IV, which was an improved and larger version. The Torpedo Data Computer (TDC) was an early electromechanical analog computer used for torpedo fire ...

  6. Underwater warfare - Wikipedia

    en.wikipedia.org/wiki/Underwater_warfare

    Underwater warfare, also known as undersea warfare[1] or subsurface warfare, [2] is naval warfare involving underwater vehicle or combat operations conducted underwater. It is one of the four operational areas of naval warfare, the others being surface warfare, aerial warfare, and information warfare. Underwater warfare includes: Military ...

  7. United States Submarine Operations in World War II - Wikipedia

    en.wikipedia.org/wiki/United_States_Submarine...

    United States Submarine Operations in World War II by Theodore Roscoe is a classic history of the role of the United States Navy submarines in World War II, earning him the title of "grandfather" of World War II American Submarine historiography. [1] Because the book was written shortly after the war, later scholars have found errors or ...

  8. Atlantic U-boat campaign of World War I - Wikipedia

    en.wikipedia.org/wiki/Atlantic_U-boat_campaign...

    The Atlantic U-boat campaign of World War I (sometimes called the "First Battle of the Atlantic", in reference to the World War II campaign of that name) was the prolonged naval conflict between German submarines and the Allied navies in Atlantic waters—the seas around the British Isles, the North Sea and the coast of France.

  9. End Around (submarine tactic) - Wikipedia

    en.wikipedia.org/wiki/End_Around_(submarine_tactic)

    End Around (submarine tactic) The end around was a submarine tactic [1] used when the position of a submarine (relative to a potential target) did not allow the submarine to mount an immediate attack. The submarine's crew estimated the enemy's bearing, heading, and speed, remaining submerged until out of the enemy's visual range.