1. What does razor or concertina wire mean to you? A single looped length? Or 2 or 3 layers of strands?
A wire spring loaded countinus loops with razors/blades on it. There are two ways that I was tought to emplace it the first is as a single strand, with there being a total of 11 of them one after the next, the second way was triple strand, two strands on the ground touching each other and the last one on top, all tied into each other.
2. What sort of skill checks do you employ for an individual to work there way through/over wire? What are the chances of injury or becoming tangled up?
Not sure about skill checks, dex sounds good. As far as becoming tangled up 100% chance the real question is how bad and how much noise are you going to make. Even when we were emplacing it we would get tangled up some, was murder on our uniforms, if you are not under fire injurys will be minor cuts and such, if you are under fire we expected to loss 90% to clear a wire obstical under fire with the proper equipment, with out I would say nice knowing you.
3. What sort of skill checks do you employ for a vehicle to work there way over wire? What are the chances of it becoming bogged/tangled up?
Luck, if it is emplaced properly almost 100% that it will bog down the vehicle. If it is not emplaced properly than much eaiser to get through.
4. other modifiers or factors i am considering are time, under fire or not, time taken, night/day time. Are there any others?
Time is a big one if you try and hurry then you will end up takeing more time as you will get stuck more. Under fire makes it a death trap see above 90% loss rate. Night/day you will get snaged more at night but if you take time and they do not have night vision that could help with under fire. One of the big ones is equipment, wire WILL tear up any equipment that you use on it that is not specifically made for it. If you are trying to move it out of the way and keep it or leave it there but in servisable shape time is the big one, if you are doing a combat breach you need special equipment, not really any other way to do so.
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