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Drones, the Air Littoral, and the Looming Irrelevance of the USAF

I wonder if the hydrogen fuel tank could be designed to increase the effect of the explosive charge carried on a fuel-cell powered one-way attack drone?
Any decent engineer would make the fuel part of the warhead.
 
Japan going heavy on drones for its coastal defence - above, on and under the water

And it is not just defensive missile costs that are problematic.
Every incursion into Japanese airspace demands a response by 2x F15s at a cost of about 5,000,000 yen per hour whether the intruder is crewed or uncrewed. The uncrewed vehicle is estimated to cost 70,000 yen per hour.

Japan scrambled its fighters its fighters 304 tines in 2024-25.
30 events included uncrewed vehicles.

It all costs money.

 
At the lighter end of the scale

View attachment 99618


Was wondering about the payload, it's 1kg. Nice looking purpose built FPV.

The cone end is actually the back of it.



Lot's of changes since 2023.

Baby picture.

 
A key element in turning both attack and interceptor drones into a more effective reality: Low cost, disposable jet engines.


"Beehive says its 200-pound Frenzy 8 engine is part of the FAMM program through a prototyping effort to develop small expendable turbines.

"The Frenzy 8 can hit 100-300 pounds of thrust. Beehive says it is also developing a 100-pound variant, Frenzy 6, which has 100 pounds of thrust. The new contract is to complete vehicle integration, flight testing, and qualification of Frenzy 8 and begin manufacturing a test version of Frenzy 6, with options for for further development.

"Beehive is one of at at least half a dozen companies working on small engines capable of producing between 200 and 3,000 pounds of thrust for Air Force programs like FAMM and Collaborative Combat Aircraft—and that push is poised to expand in fiscal 2027; the service is requesting $973 million for FAMM between R&D and procurement and $1.37 billion for developing CCAs, among other efforts."

Tomahawk uses a 30 kg jet that generates between 400 and 1700 lbf of thrust, depending on model.
Kratos's Valkyrie uses a 2000 lbf engine, the Mako uses a 1000 lbf engine and the Firejet uses a pair of 80 lbf engines for a total of 160 lbf

Firejet Weight at launch 320 lb
Payload of 70 lb
Range 400 NM
Endurance 1.3 hours
 
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