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However, "flexible" defense lines (Mannerheim Line, Árpád Line, Bar Lev Line) were not based on dense lines of concrete bunkers and pillboxes (as the Maginot system was). The main intention of flexible type field fortification was to close potential traffic and attack barriers with multiplied anti-tank ditches , hedgehogs , and dragon's teeth .
A section of the Mannerheim Line. The flexible defense is a military theory about the design of modern fortifications.The examples of "flexible" defense-lines (Mannerheim Line, Árpád Line, Bar Lev Line) are not based on dense lines of heavily armed, large and expensive concrete fortifications as the systems such as the Maginot Line were.
A defense line or fortification line is a geographically recognizable line of troops and armament, fortified and set up to protect a high-value location or defend territory. A defense line may be based on natural difficult terrain features, such as rivers or marshes, mountain ranges, or coastlines; temporary field fortification works such as ...
The Toblerone line is a part of the Promenthouse defence line, which more or less follows the watercourse of the brooklets Promenthouse and Serine. First reconnaissance took place in 1936, in 1937 construction began by ramming railway tracks into the ground in order to reinforce the banks of the watercourse.
Interior lines [a] (as opposed to exterior lines) is a military term, derived from the generic term line of operation or line of movement. [1] The term "interior lines" is commonly used to illustrate, describe, and analyze the various possible routes (lines) of logistics, supply, recon, approach, attack, evasion, maneuver, or retreat of armed forces.
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In 2014, the Ukrainian government announced that the defense lines will include a 60-kilometer stretch of a "non-explosive barrier," thousands of kilometers worth of trenches for personnel, armored vehicles and communication lines, and 4,000 army dugouts. The structure also includes barbed wire, watchtowers, and electronic surveillance systems ...
While some basic defensive structures were built early on, it was not until after conferences with the French military on their design that a full-scale effort began. A change in the design philosophy was noticeable in the "pillboxes" and larger blockhouses similar to the French Maginot line when the massive construction program began in 1936 ...