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The Czech hedgehog (Czech: rozsocháč or ježek) is a static anti-tank obstacle defense made of metal angle beams or I-beams (that is, lengths with an L- or 𝐈-shaped cross section). It is similar in shape to metal knucklebones , although on a much larger scale.
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 ...
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 ...
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 ...
Anti-tank warfare evolved as a countermeasure to the threat of the tank's appearance on the battlefields of the Western Front of the First World War. The tank had been developed to negate the German system of trenches, and allow a return to maneuver against enemy's flanks and to attack the rear with cavalry.
As dragon's teeth are immobile, the analogy with the caltrop is inexact. Another caltrop-like defence during World War II was the massive steel, freestanding Czech hedgehog; the works were designed as anti-tank obstacles and could also damage landing craft and warships that came too close to shore.
The hedgehog defence is a military tactic in which a defending force creates multiple mutually supporting strongpoints ("hedgehogs") in a defence in depth, designed to sap the strength and break the momentum of an attack. The hedgehogs are designed to be both strong in defence, and thus expensive for an attacker to assault, and capable of ...
The RPG-75 is a portable, disposable, single-shot anti-tank weapon, developed in the 1970s in Czechoslovakia. It fires a 68 mm grenade (the projectile is not a rocket) with an effective range of 300 meters and maximum range of 1000 meters.