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#331
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On 23 Dec 2003 13:05:12 -0800, John Schilling wrote:
(phil hunt) writes: On 19 Dec 2003 15:56:55 GMT, Bertil Jonell wrote: In article , phil hunt wrote: Yes. The progrsamming for this isn't particularly hard, once you've written software that can identify a vehicle (or other target) in a picture. It's just a matter of aiming the missile towards the target. Have you looked up "Tactical and Strategic Missile Guidance" by Zarchan (ISBN 1-56347-254-6) like I recommended? I haven't -- I tend not to read off-net sources, due to time, space and money constraints. Then you know just enough about any subject to be dangerous. We're still at least a decade away from the net being more than a suppliment to the printed word - what gets put online now is the stuff that is exciting and/or bragworthy, That's true to some extent, though as you say it's getting less true all of the time. If you want to talk intelligently about what it takes to make a guided missile, you need to know stuff that is printed in Zarchan and a very few other (unfortunately expensive) textbooks and is to the best of my knowledge not online anywhere. A good library may substitute for the out-of-pocket cost of the book; there is no substitute for the time and effort of reading the book. Indeed. True of Internet-based material too, of course. -- "It's easier to find people online who openly support the KKK than people who openly support the RIAA" -- comment on Wikipedia (Email: , but first subtract 275 and reverse the last two letters). |
#332
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Michael Ash wrote in message news:mail-0E43D5.00500922122003@localhost...
North Korea, on the other hand, has enough artillery on the border to completely level Seoul within a few hours, from what I understand. I'm not sure that this is possible with any real-world conventional artillery. "Damage" Seoul, yes. "Completely level" is a whole other order of destruction. That alone is enough to stop any plans for an invasion. .... depends on our motivation. If we were, for instance, responding to a North Korean nuclear attack, damage to Seoul might be considered an acceptable cost. In a way, it's even worse than the nuclear problem. Unlike a nuke and its delivery system, there's no possible way to take out mumble-thousand pieces of artillery before the deed has been done. I'm not sure that this is true. The artillery pieces, in firing, would be giving away their location, and we would have total air superiority over the battlefield. Sincerely Yours, Jordan |
#333
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On Tue, 23 Dec 2003 13:48:39 -0800, pervect wrote:
On 23 Dec 2003 11:18:11 -0800, (John Schilling) wrote: I would say that investing in a *robust* C&C infrastructure is the third best investment Elbonia could make. That's not the same as a *modern* C&C infrastructure, especially in Elbonia. Robust is closer to what I should have said than modern, some of my bias for modern technology is showing. A nice, modern centralized commuinication system that can be quickly decapacitated with one strike is a liability. I've argued elsewhere[1] that middle-income countries should consider using a wireless internet mesh as the foundation for their (civilian) information infrastructure. Why not allow the military system to piggyback off that? (as a backup: the civilian system might be down in an area, and there should be a separate military system as well). Now a proper wireless internet infrastructure would mean every apartment building, workplace, school, hospital, etc being connected. It would be quite difficult, both militarily and politically, to shut down such a widespread network. [1] at http://www.cabalamat.org/weblog/art_122.html -- "It's easier to find people online who openly support the KKK than people who openly support the RIAA" -- comment on Wikipedia (Email: , but first subtract 275 and reverse the last two letters). |
#334
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On Tue, 23 Dec 2003 22:32:24 +0000, Paul J. Adam wrote:
In message , phil hunt writes On Mon, 22 Dec 2003 20:40:27 -0800, Steve Hix sehix@NOSPAM speakeasy.netINVALID wrote: One problem here; totalitarian regimes tend not to tolerate lots of initiative in their underlings, which makes preparing for this sort of fighting somewhat harder. True, but there are exceptions, Nazi Germany being an obvious one. The Wehrmacht had a good system of mission command at company level and below, but was absolutely devoid of initiative at the operational level: True, particularly as the war went on. -- "It's easier to find people online who openly support the KKK than people who openly support the RIAA" -- comment on Wikipedia (Email: , but first subtract 275 and reverse the last two letters). |
#335
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On 23 Dec 2003 14:43:23 -0800, John Schilling wrote:
Chad Irby writes: Out of the tens of thousands of cannons sitting on the north side of the border, anyone want to bet that no more than a couple of hundred actually get to fire? Especially with a few dozen MLRS launchers and a couple of hundred attack aircraft cranking out a few million submunitions across their firing positions... while reducing their command centers to smoking holes in the ground and jamming communications. How do you jam a homing pigeon? With a hawk or falcon, perhaps? And the command and control battle, *on this issue*, favors the North. Planned bombardment of fixed targets by prepositioned artillery assets, requires only the general distribution of an "Execute War Plan A" message in real time. War Plan A itself can be distributed ahead of time, and as securely dug in as the guns that will execute it. The implementation order goes out by general broadcast, landline telephone, bicycle courier, signal flare, and I wasn't kidding about carrier pigeons. With massive redundancy in all channels. It will get through. Once events diverge from War Plan A, yes, the NKPA will be blind, dumb, and paralyzed. But the first day of battle, on the border, will probably be theirs. This seems an accurate assessment. -- "It's easier to find people online who openly support the KKK than people who openly support the RIAA" -- comment on Wikipedia (Email: , but first subtract 275 and reverse the last two letters). |
#336
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Pete wrote:
"George William Herbert" wrote Done properly, especially with one time pad encryption, one can handle this sort of situation. Consider... the use of CD-R's for pads. They give you 650 megabytes of storage. Assume one message of 1k contents per minute is sent; that works out to a bit over 43 megabytes of pad per month, or about 518 megabytes per year. Each receiving station can have its own pad and its own recipient keying. And then when one of those CD's gets lost or captured... One of those CDs is lost or captured, and then the opponent has a years worth of weather reports and routine messages to two tech sergeants and a light squad of flunkies and guards in a warehouse / launch bunker in the middle of the desert. You use a different CD pair for each bunker. It's easy enough with CD-Rs. -george william herbert |
#337
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John Schilling wrote:
and Carrie Fishe *with* an M-16. Don't forget the M-16. -george |
#338
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Fred J. McCall wrote:
:I wasnt pretending this was military grade weapon (the GPS component rules :that out straight away) but if someone told you this 10 years ago you would :write it off completely. Really? I find that quite odd, since I remember George talking about how to build a rocket much more cheaply than we are STILL building them and didn't "write it off completely". I'm pretty sure that was more than 10 years ago. I started saying that more than 10 years ago now, yeah. There are now several other companies flying stuff in the price / performance / complexity range I was talking about, though I have not yet gotten full development funding for my project and didn't receive one of the DARPA FALCON project awards, though several of the others did. I do find the price tag pretty ludicrous, given that you can't buy a car for that kind of money. A lot of that is markup and costs associated with stuff that has nothing inherently to do with the structure or systems (interiors are not cheap). Car engines and drivetrains also cost a lot more than pulsejets do, cruise missile wings don't have to be structurally all that complicated, etc. People build homebuilt aircraft that are far larger and more complicated (other than guidance electronics) than our notional cruise missile for a thousand or two thousand hours work invested, using tools and technology that can be obtained in the bush in Rwanda if need be. If we assume the cruise missile is half that effort, that's five hundred to a thousand hours of effort. In a lot of countries, people get paid a couple of bucks an hour for reasonable tech-oriented labor. If you wanted to do this with a prop (or, ducted fan) there are two cycle aviation engines off the shelf in quantity one at $2k and down for low power, $4-5k and up some for about a hundred horsepower. The ducted fan / afterburner job used in the second generation, never used Kamizaze plane used a hundred horsepower engine and a wooden fan unit. The only cost center which runs the risk of running severely outside the budget is the computer and guidance hardware. The INS will be several thousand in quantity even if it's fiber optic gyros and MEMS accellerometers, if you're aiming for 10 meter inertial accuracy over those 200ish kilometers. The camera system engineering will not be trivial, though the camera itself may end up being very cheap (or cameras... CMOS cameras for $20 or less retail today means that some solutions may just be "buy more cameras"). The computer itself is trivial and off the shelf, even hardened for flight. The software is a sticky point but not as hard as some have made it out to be, other than the image-matching software. I believe that the image-matching problem is overstated here based on previous investigations I have done, but I am not a competent expert on that corner of the problem. -george william herbert |
#339
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#340
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John Schilling wrote:
[...] Invoking the Asymmetric Warfare buzzword does nothing to counter those capabilities. It isn't clear that they even *can* be countered, save in kind, but if it is possible it will involve a whole slew of very hard problems in its own right, and that the amateurish solutions posited here are not going to cut it. Pushback. While you are generally correct... I think that some of the enthusiasts here are not paying enough attention either to details or to the big picture... I believe that there are some unconventional and asymmetrical things which could be done which would severely hamper western style warfare. One of the things which could be done looks a lot like one of the things under discussion here. There are many others, and the overall strategy of defense by and only by massive cheap cruise missiles is a grand scale loser, but as part of doing a lot of other things it might well be a viable strategy component. -george william herbert |
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