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Israel's defence against Iran attack overnight 'likely cost over $1bn'
(www.middleeasteye.net)
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this post was submitted on 14 Apr 2024
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That's a legit point, though I think that there's also a very real point that we need more-cost-effective counters to shoot down low-end weapons.
We've focused on increasingly-high-end systems for a long time in the air defense world. If you're going to have everyone running around with explosive-bearing quadcopters and $20k craft that can precisely deliver a munitions payload 1,600 miles like the Shahed-136, we're going to need to have cost-effective counters.
Not to mention the scale-up question. Let's say China started mass-producing weaponized DJI drones tomorrow, which I expect that they probably could without too much trouble. Maybe we can hypothetically develop a cost-effective counter, but how long is it going to take us to get that up to scale? And what are the implications if we can't?
Supposing China has a cheap aerial delivery vehicle that releases weaponized quadcopters over Taiwan, lets them land and go to sleep, waking up only periodically at specific times for instructions. The vehicle is cheap enough to be attritable, and the quadcopters obviously are. Maybe you could even use subs to deliver them. Is there anything we can do to counter that, or does Taiwan just face an overwhelming deluge of precision-guided anti-personnel/anti-vehicle weapons that China can activate at any point?
We have good counters to a lot of high-end weapons. I'm not sure that we have good counters to massed low-end weapons. And I've read enough articles from folks commenting on the military situation concerned about it that I kind of suspect that I'm not just missing something obvious.
You can not scale an attack with drones like DJI or FPVs simply based on the limited available spectrum, even if we assume no electronic warfare at all. It will get interesting once we have useful AI for navigation and targeting, making them autonomous. But then we can do the same to build counter drones, which can be much smaller and cheaper, negating the new weapon.
The defense to deal with such threats in mass amounts already existed with radar guided guns like the Gepard. They were just not useful anymore for all the more advanced threats, so now we build stuff again like Mantis , which can deal with lots of drones at once for next to no cost. Dumb it down a bit and you have a cheap, but not quite as capable AA system.