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A tripwire is a passive triggering mechanism. Typically, a wire or cord is attached to a device for detecting or reacting to physical movement. Military applications
An anti-tank mine with an anti-handling device fitted is almost guaranteed to detonate if it is lifted/overturned, because it is specifically designed to do so. Munitions fitted with anti-handling devices increase the difficulty and cost of post-conflict clearing operations, due to the inherent dangers of attempting to render them safe.
Family of Scatterable Mines (FASCAM) is an umbrella term for a range of systems of the armed forces of the United States, which allows a maneuver commander to rapidly place mines as a situational obstacle; as a reserve obstacle emplacement capability; and to directly attack enemy formations through disrupt, fix, turn, and block.
The Claymore can also be activated by a booby-trap tripwire firing system for use in area denial operations. The Claymore fires steel balls out to about 100 m (110 yd) within a 60° arc in front of the device. It is used primarily in ambushes and as an anti-infiltration device against enemy infantry. It is also used against unarmored vehicles.
(fragmentation-barrier mine, in the Russian and other post-Soviet armies as informally called "frog mine" or "witch" ) They are normally painted olive green, and issued with a spool of tripwires and two green painted wooden or metal stakes for affixing the tripwires.
The extensive forest cover limited the range of machine guns, but anti-personnel mines were effective. However, mines were poorly recorded and marked, often becoming as much a hazard to allies as enemies. Tripwire-operated mines were not defended by pressure mines; the Chinese were often able to disable them and reuse them against U.N. forces. [27]
It consists of tripwire around the area, linked to one or more flares. When the tripwire is triggered, as by someone unsuspectingly disturbing it, the flare is activated and begins burning. The light from the flare simultaneously warns that the perimeter may have been breached and also gives light for investigating. [2]
This movement is known as the dynamic deflection. Given the lack of tension in the system, individual installations, or “runs”, of cable are limited to 2,000 ft (600 metres) with an anchor assembly at each end. Due to the low tension of the system, the cables tend to lie on the ground in the event that an impact damages multiple posts.