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GBAD - The return of 'FOBS'

And to put into perspective the sheer scale of the UAV threat in Ukraine:


But as always, as the defenders get better the attackers come up with improved weapons...

And this comment about the fundamental difference between AD missiles and interceptor drones:

I have serious concerns that we haven't really wrapped our heads around the UAV threat. Our AD plans seem still to be stuck in the too expensive and too few frame of mind.

I am having trouble wondering why, if it is possible to fly an electrically powered vehicle into another for $1000 dollars using AI targeting systems why it isn't possible to do the same with jet and rocket powered vehicles at similar costs.

 
I am having trouble wondering why, if it is possible to fly an electrically powered vehicle into another for $1000 dollars using AI targeting systems why it isn't possible to do the same with jet and rocket powered vehicles at similar costs.


No sooner said than done....


A jet powered interceptor drone with a 30 km range and a speed of 700 km/h.


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Presumably Skyhammer is the littl'un on the left pursuing the Shahed on the right.

Lots of people running really fast right now.
 
Based on reports from early April 2026, the Skyhammer interceptor drone, developed by British start-up Cambridge Aerospace, is aimed at a cost of £20,000 – £30,000 per unit.
UK Defence Journal
Designed specifically to counter Shahed-style, slow-flying attack drones, the Skyhammer is a high-subsonic, turbojet-powered system designed to be a cost-effective alternative to expensive air defense missiles.
Reddit +1
Key Price and Background Information:
  • Target Cost: Cambridge Aerospace CEO Steven Barrett has stated the interceptors would cost in the "low tens of thousands," allowing them to compete with the price of the targets they destroy.
  • Production & Procurement: The UK Ministry of Defence has contracted to supply Skyhammer interceptors, with deliveries scheduled to start in May 2026.
  • Performance: The Skyhammer flies at roughly Mach 0.7 (about 700 km/h) and has a range of about 30 km, making it effective against slower "kamikaze" drones.
  • Context: While significantly more expensive than small, manual Ukrainian $1,000-$2,500 FPV interceptor drones (like the "Sting" or "P1-SUN"), the Skyhammer is designed for higher-speed, automated interception compared to those smaller, pilot-guided options.
    Bloomberg +5
Note: The "Skyhammer" mentioned in the April 2026 defense contract is a specialized kinetic interceptor developed by Cambridge Aerospace, not to be confused with general commercial drones that might have similar names.
....


That puts them into the same price bracket as the APKWS II but still 10x more expensive (an order of magnitude greater) than the Ukrainian Sting-type interceptors, some of which are also manufactured in the UK

 
OK. This is yet another promotional pitch for yet another CUAS system.

But I had to add it for this absolutely brilliant blurb from the CEO.

"Our incredibly cracked and talented team of engineers worked relentlessly to cover an immense amount of ground in 3 short months.”"

I mean, who could say fairer than that?

...

 
OK. This is yet another promotional pitch for yet another CUAS system.

But I had to add it for this absolutely brilliant blurb from the CEO.

"Our incredibly cracked and talented team of engineers worked relentlessly to cover an immense amount of ground in 3 short months.”"

I mean, who could say fairer than that?

...

It's an interesting time in both UAS and CUAS systems. This one is still a bit pricey CUAS at $10,000 to shoot down a $400 UAS at ranges of "more than 1,000 metres."

🍻
 
Random explorations of the unknown.

1776183866760.jpeg1776184008285.jpeg1776183936428.jpeg


...

Back to the notion of privatised air defence.

Already a thing in Ukraine. Probably a logical extension of all the crowd-sourcing of funds, supplies and weapons that have been a feature of this war.


Starting from there I wonder if these interceptors might not make for a useful equivalent of a "sprinkler system" for fire suppression.


Not only are they cheap, they are compact and could be unobtrusive, and most importantly they seem to be inert. They rely entirely on their intrinsic mass and velocity to achieve a kill and contain no flammable fuels. They are likely to be able to sit idle for months if not years and remain effective, providing their batteries don't ignite. And launch systems like this one below could be mounted on any roof top. With or without the Sky Sentinel.


....

Golden Dome.

It will cost a fortune.
And the more effective it is the more costly it will be.
And one of the most vexing threats is the CUAS threat.

How to pay for the system.

The conventional route is to threat the threat as an extraordinary threat to be managed by the National Defence structure.
The unconventional route is suggested by the developing Ukraine actions.

There factories, like power plants, were under threat, weapons factories in particular. Companies were encouraged to bulid new weapons factories inside Ukraine to produce the weapons Ukraine needed knowing that they too would be high value targets. The solution was for the weapons manufacturers to supply and deploy their own weapons in their own defence at their own sites at their own expense. The costs would come out of their capital and operating budgets. Just like their sprinkler systems.

From that starting point you now approach the prospect of private companies specializing in CUAS security and offering the same services to other factories, as well as to the government to cover government facilities like powerplants, reservoirs, sewage works, hospitals and schools.

Which brings us to the Golden Dome.

Virtually every building of any size has a fire suppression system to automatically counter any fire.
Most buildings have security systems involving people, sensors, alarms and reaction capabilities - anything from calling the security company or the constabulary, fire or medical services to manage the problem for you to deploying more active measures youself like using fire extinguishers, first aid kits, AEDs or electric shocks and graduating upwards from there to ultimately employing lethal force in defence of you, yours and your property.

And you are encouraged to install these systems, which most of us would naturally turn to in any event, by a combination of laws and codes, and by financial inducements - fines for not having them and reduced insurance premiumd for having them.

Back to the Golden Dome

And the lots of money necessary.

One way to find the money necessary is to go the government route and tax people and then spend the money taking the credit for doing something and blame for raising taxes, spending too much in the wrong places for the wrong things to protect the wrong people and not protecting me and mine.

Or.

Follow the other route and privatise the entire system and encouarge people to engage their security companies to install approved CUAS devices on every high rise roof top and in every facility at risk.

The Sky Sentinel system costs $150,000. The interceptors cost $1500 apiece. I am guessing that $500,000 would buy a useful facility that if replicated on every high rise roof top could supply an effective low level air defence. And the cost is within the range of costs a developer or facility manager conventionally has to deal with.

Society will still bear the additional costs.

But more jobs will be created buliding and installing the systems, supervising and maintaining them.

So there will be more things and things will cost more but there will be more people with more money to be able to buy the new things and afford the higher prices. And the government can always intervene with subsidies, fines and penalties, as well as its own Nationa Defence capabilities.

Your CUAS security provider would join the ranks of your other security providers, fire cosultants and pest control companies.

A necessary but unobtrusive service that amplifies and facilitates the work of the government.

And they can still proclaim "No New Taxes!" with straight faces.

...

I like the interceptors for the sysyems and I like the Sky Sentinel's C3ISRT architecture. I am less sold on the 50 cal.

The combination of having to secure that system against unauthorised use and theft, as well as the cost of maintaining the gun, feed system and ensuring the ammunition is viable and the effect of the bullets ttat missed on the surrounding environment when engaging threats all makes it a bit problematic.

The bullet risk could probably be managed by swapping the 50 for a larger calibre gun with fragmenting rounds but then you still have the management of the gun itself.

Perhaps a solution could be the usual "fitted for, not with" and keep the guns in storage for elevated threat levels. In the mean time the Sentinel could rely on the interceptors, dircted energy systems and RF solutions to reduce risks.

...

Random wanderings in the dark.
 
New CUAS vehicle

Kongsberg CROWS turret on a mast armed with an HMG and 4x 70 mm APKWS II


1776201280017.jpeg


"At the heart of the vehicle is Kongsberg’s CROWS C-UAS Kit, a mobile system built to detect and engage hostile Shahed-type drones and, in some cases, cruise missiles. Mounted on the Inguar-3, the package combines electro-optical (EO) and infrared (IR/thermal) sensors with a remotely operated weapon module placed on a raising mast, giving the crew a better field of view and allowing the system to track threats flying at low altitude."
 
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