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  2. Czech hedgehog - Wikipedia

    en.wikipedia.org/wiki/Czech_hedgehog

    Czech hedgehogs were especially effective in urban combat, where a single hedgehog could block an entire street. Czech hedgehogs thus became a symbol of "defense at all costs" in the Soviet Union; hence, the memorial to Moscow defenders, built alongside the M-10 highway in 1966, is composed of three giant Czech hedgehogs.

  3. Anti-tank obstacles - Wikipedia

    en.wikipedia.org/wiki/Anti-tank_obstacles

    The Czech hedgehog, dragon's teeth and cointet-element are the most famous types of World War II anti-tank obstacles. Anti-tank trenches were used on the western front during World War I, and in the Pacific, Europe, and Russia in World War II. Anti-tank mines are the most common anti-tank obstacles. For implementation of various anti-tank ...

  4. What are Czech hedgehogs? Ukraine's surprisingly simple ... - AOL

    www.aol.com/news/czech-hedgehogs-ukraines...

    The Czech hedgehog is an antitank defense that, for Americans and Russians alike, evokes images of World War II. Moscow has a monument of Czech hedgehogs to mark the farthest that Nazi soldiers ...

  5. Dragon's teeth (fortification) - Wikipedia

    en.wikipedia.org/wiki/Dragon's_teeth_(fortification)

    Russian anti-tank obstacles near the horizon, Kherson Oblast, May 2022. Dragon's teeth on the left, Czech hedgehogs on the right In Belgorod Oblast, defensive lines of dragon's teeth were constructed in October 2022 under the supervision of the Wagner Group along the Russia–Ukraine border, intended as a second line of defense alongside trenches and a trained militia in the event the ...

  6. Caltrop - Wikipedia

    en.wikipedia.org/wiki/Caltrop

    Czech hedgehogs deployed at the Stachelberg fortress in Czechoslovakia in 1938. Punji sticks perform a similar role to caltrops. These are sharpened sticks placed vertically in the ground. Their use in modern times targets the body and limbs of a falling victim by means of a pit or tripwire. [citation needed]

  7. Rhino tank - Wikipedia

    en.wikipedia.org/wiki/Rhino_tank

    A prototype tusk-like assembly was created by welding steel scrap (from destroyed "Czech hedgehogs") to the front of a tank to create a hedge cutter. The teeth helped prevent the vulnerable underside of the tank from being exposed while it knocked a hole in the hedgerow wall.

  8. Fortifications of the Russian invasion of Ukraine - Wikipedia

    en.wikipedia.org/wiki/Fortifications_of_the...

    Dragon's teeth and Czech hedgehogs in Kherson Oblast, 2022. During the Russian invasion of Ukraine that started in 2022, both belligerents have built extensive fortifications in the respective theaters of war, which have proven pivotal for the war effort.

  9. Hedgehog (weapon) - Wikipedia

    en.wikipedia.org/wiki/Hedgehog_(weapon)

    The Hedgehog (also known as an Anti-Submarine Projector) was a forward-throwing anti-submarine weapon that was used primarily during the Second World War. The device, which was developed by the Royal Navy , fired up to 24 spigot mortars ahead of a ship when attacking a U-boat . [ 2 ]