Why don’t the Humvees, tanks, and MRAPs in Iraq use GPR (Ground-Penetrating Radar) to warn of buried IEDs ahead of them!?
by 
Egao No Genki
ANSWERS: 7
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They do. Actually this is weapons search, nevermind. www.defendamerica.mil/.../200608ip.html Im sure there are reasons. i.e. too slow. might get ambushed. I hear most IED are of the type that are set off by a switch. once they go off, the caravan is ambushed.
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There are actually special vehicles for this purpose which are designed to be able to take a hit from large IEDs (ground penetrating radar mounted on vehicle = you are on top of an IED). It's not practical to mount them on all vehicles. Besides, at 50mph it's too late to stop when the alarm goes off. It was actually my job to scan the ground and road in front of our column in Iraq. I loved doing it.
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I've also heard of IEDs that are cast into the shape of a section of street curb, or hidden in a pile of trash by the side of the road... so the radar wouldn't help with those.
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because the army is poor and so am i
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satellite-based GPR might be an efficacious method, having the advantage of looking beyond the column. it'll take another 10 years, which, by that time, we'll be in a war with canada. have you ever had you windshield attacked with droppings from those dang canadian gueese?
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I'm sure that there's technology out there that can do the job, whether it takes Radar, Sonography,Magnetometry, or some other method. You would be dealing with The Government Bureaucracy, here. So, STOP MAKING SENSE!
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Apart from having to be close to ground, e.g. in front of the car(close to), as one answer explained. A GPR sees a lot, in fact too much. Everything detected have to be treated as a target because a GPR can't differ between a stone and an IED. Also middle-east soils are not favourable for GPR (usually conductive and this is no good)
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