Taggent Material To Indicate Roadbed Digging / Road Side Bombs

The mililary needs some material that can be crop dusted onto road
beds that can only be disturbed by digging and not by vehicle traffic.
The material must be deposited with a characteristic "thumbprint" that
can be identified with the appropriate sensors but cannot be
duplicated, i.e., it cannot be swept up and spread over a freshly
planted bomb.
This method wouldn't reveal the old bombs but it would make it easy to
spot where a roadbed was recently dug up.
Bret Cahill
Reply to
Bret Cahill
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Ordinary traffic performs a certain amount of "gardening" on a dirt road, meaning some of the taggant _will_ be mixed into the roadbed material. How deeply depends on the exact nature of the material (sand/ clay/organic dirt, salts, concrete, asphalt, etc.) the kind and degree of traffic, the weather _and_ climate, and so on.
Worst case you get washboarding which requires periodic repair, meaning deeper penetration by the taggant. It will however be more evenly distributed than the sort of localized dugskullery you're talking about.
Hence the sort of disturbance due to traffic will be easily differentiable from that due to digging.
Just off the top of my head, how about microscopic polymer chips like those used in dynamite. Rather than the complex layering used to indicate batch numbers etc. it would be infused infused with an additive which, when exposed to UV, fluoresces in the IR, not the visible. If laid down by ground vehicle or say Predator or other drone during low traffic periods it would have a fairly even characteristic distribution, and any disturbance will be immediately visible by inspection by personnel wearing IR goggles during the day, and at night with IR goggles and the assistance of a UV lamp. Inspection could also be done by suitably-equipped drones of course.
Attempts to "sweep up" and use the dust to cover new bombs will not replicate the dust distribution as laid down originally.
Mark L. Fergerson
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Emplace dense minefields under the road and to both sides. Allied vehicles dynamically inert the mines with a short-range rolling encrypted digital signal. Everybody else enjoys virgins FOB allah ("Santized For Your Protection")
Reply to
Uncle Al
Scattered about. It would be impossible to mine all the roads.
It wouldn't be too bad an idea if civilians didn't get blown up.
Bret Cahill
Reply to
Bret Cahill

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