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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. Czech hedgehogs were ...
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 ...
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 ...
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 ...
The most common types were Czech hedgehogs (Panzersperre) or cheval de frise (Stahligel or "steel hedgehogs"). These anti-vehicle devices were constructed from three or four pairs of 1.5-metre-long (4.9 ft) rails welded together to form a steel obstacle weighing over 500 kilograms (1,100 lb) – heavy enough to stop a motor vehicle from pushing ...
A caltrop (also known as caltrap, galtrop, cheval trap, galthrap, [1] galtrap, calthrop, jackrock or crow's foot [2] [3]) is an area denial weapon made up of usually four, but possibly more, sharp nails or spines arranged in such a manner that one of them always points upward from a stable base (for example, a tetrahedron).
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.
In medieval fortification, a trou de loup (French for "wolf hole"; plural trous de loup, also commonly referred to as a tiger pit in the East) was a type of booby trap or defensive obstacle. Each trou de loup consisted of a conical pit about 2 m (6 ft 7 in) deep and 1.2 to 2 m (3 ft 11 in to 6 ft 7 in) wide at the top.