this post was submitted on 11 Mar 2025
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Summary

European nations refute claims that the U.S. has a "kill switch" for F-35 fighter jets, despite concerns raised after Trump suspended military aid and intelligence support to Ukraine.

While no evidence confirms such a switch, experts warn the U.S. could limit access to crucial software updates.

Belgium and Switzerland assert their F-35s remain autonomous but acknowledge reliance on U.S. data systems.

Set to receive 35 F-35s in 2026, some German politicians are questioning whether the purchase should have been made amid these concerns.

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[–] NoForwardslashS@sopuli.xyz 92 points 3 days ago (1 children)

Set to receive 35 F-35s in 2026, some German politicians are questioning whether the purchase should have been made amid these concerns.

Yeah, I'd probably at least question a purchase of 35 $100mil items when the seller casually states they can just arbitrarily make them stop working on a whim.

[–] unexposedhazard@discuss.tchncs.de 40 points 3 days ago (3 children)

Time to remove all the anti hacking tool laws and give nerds a go at the firmware for these things. Open source that shit and allow everyone to install a non backdoored version to their US equipment.

[–] Zer0_F0x@lemmy.world 41 points 3 days ago (2 children)

Or just let the US know that if they're gonna tamper with your F35s you'll put one F35 in a box and ship it to China. They'll have a copy ready by next year and software cracked within the week

[–] bassomitron@lemmy.world 22 points 3 days ago* (last edited 3 days ago) (2 children)

I hate to break it to you, but China already stole all the data on F-35s years ago: https://www.reuters.com/article/business/theft-of-f-35-design-data-is-helping-us-adversaries-pentagon-idUSL2N0EV0T3/

And yes, I'm sure a lot has changed since 2013, but there have been numerous breaches since then, so it's silly to think they haven't conducted similar espionage operations in more recent years.

[–] unexposedhazard@discuss.tchncs.de 13 points 3 days ago (1 children)

I'm sure a lot has changed since 2013

I highly doubt that. The initial development phases of these things are so expensive and complicated. They probably dont change even a single screw unless it is absolutely necessary. All the replacement parts and repair training would be wasted if they constantly changed stuff.

[–] bassomitron@lemmy.world 12 points 2 days ago

Hardware wise, I doubt much, if anything at all, has changed. But software and firmware most certainly has been updated. Part of what makes these platforms so powerful is their anti-radar, auto-targeting, and auto-identification capabilities.

[–] atzanteol@sh.itjust.works 8 points 3 days ago

Having an actual functional f-35 to train against and have for testing countermeasures against would be very helpful though.

[–] synapse1278@lemmy.world 6 points 2 days ago (1 children)

China isn't an ally of Europe. This would also be damaging us.

[–] match@pawb.social 4 points 2 days ago (1 children)

imagine if China did ally with europe though, they could put russia under their thumb within a year and eurasia would become the sole world power

[–] catloaf@lemm.ee 1 points 2 days ago

Conquer and divide Russia? Everything west of the Urals gets to join the EU, and everything east can uhhhh remain rural Russia, ally with Mongolia and China?

[–] koper@feddit.nl 14 points 2 days ago (1 children)

This 100%.

The US bullied the rest of the world into passing these anti-circumvention laws that make it illegal to modify the appliances you buy. Stick it to them and let us run our own firmware free of US cloud services.

https://pluralistic.net/2024/11/15/radical-extremists/

I have been linking this blog too much already so i didnt link it this time but yes, thats exactly what i was thinking about.

[–] olafurp@lemmy.world 6 points 2 days ago

I mean, having a kill switch would be pretty weird since it'll open the jet to cyber warfare. It would probably be it's weakest defence then.

[–] aramova@infosec.pub 12 points 2 days ago

We're just weeks away from Germany canceling the order followed by a same day announcement by Trump that Russia has agreed to purchase 150 of the F35s to replace those illegally lost to Ukraine.

Clip from the press conference in front of an American flag draped over the Statue of Liberty: Waves arms around like accordion

Trump: Many people say it's the biggest bestest deal in US history. Strong men, brave men in the Panagon have come up to me, tears in their eyes, saying to me 'Sir, we have never seen such amazing deal making in our lives, never could have imagined it!'

[–] gravitas_deficiency@sh.itjust.works 45 points 3 days ago (3 children)

Whether or not a “kill switch” exists is frankly rather immaterial. The fact remains that we control a LOT of the essential tech that goes into those things, and considering we’re basically turning into an adversary towards most of our former allies, it’s not a super great idea to have us be a core part of your logistics pipeline - especially when it comes to one of your most advanced strike fighter.

Sure, it’s great tech… but what happens when Trump decides in 6 months to stop shipping engines and engine parts and software updates and encryption keys and the myriad of little doodads that go into the thing? That’s right: it’ll stop working quite as well as it’s designed to, and ultimately will need to be grounded until operators can find a side-channel to get the things it needs (or replacement/aftermarket parts + software, though frankly I don’t think the second part is feasible, knowing the ludicrous size of the codebase that is absolutely for sure NOT something that can be easily or quickly replicated).

[–] Pringles@lemm.ee 27 points 3 days ago (1 children)

That goes both ways though. Not every part of an F35 is made in the US. In fact, the supply chain is pretty spread out over a dozen countries.

[–] gravitas_deficiency@sh.itjust.works 13 points 2 days ago (1 children)

Oh, I know. That’s the funny part.

And it’s deeper than that. Our military industrial complex has a SHITLOAD of customers in Europe by virtue of NATO system integration. I predict that American defense companies aren’t going to be winning any contracts amongst our (former?) allies for the foreseeable future. I furthermore predict that more than a few nations will eventually drop existing deals if we continue to be a massive dick to everyone - and we will, unfortunately, continue to be a massive dick to everyone.

Idk maybe we’ll start selling shit to Russia…? That would be fucking wild. But I honestly wouldn’t put it past Trump, and congress is some combination of enthusiastically fascistic, abysmally stupid, or deeply, fundamentally, fecklessly useless, so I don’t expect they’ll actually stand up to pressure from our new dictator once push comes to shove.

[–] FortyTwo@lemmy.world 2 points 2 days ago

I sometimes wonder now if the plan is to stop having allies, and instead just make an American version of Wagner. Privatised American military fights for the highest bidder, buys lots of material from the American MIC, makes the world a worse place but makes a lot of money of it. I doubt it would be more profitable than a permanent inflow of 2% of the yearly GDP from several of the richest countries in the world, but I wouldn't put it past them to think that it would be.

[–] Exec@pawb.social 1 points 2 days ago

but what happens when Trump decides in 6 months to stop shipping engines and engine parts and software updates and encryption keys

Soon we'll return to what was when Microsoft had a separate Windows NT 4 High Encryption release

[–] mkwt@lemmy.world 0 points 3 days ago (2 children)

F35 is a major maintenance time sink. Something on the order of 10 mechanic-hours of maintenance for every flight hour. I've heard it costs something like 12k USD in maintenance just to start the engine and bring it to low idle.

I suspect it would take a lot less than six months to ground a fleet when the spare parts get cut off.

[–] dlatch@lemmy.world 5 points 2 days ago

Spare parts are being manufactured in Europe too though. There's a big maintenance hub in The Netherlands and Italy is producing complete F35s. I'm sure Europe can figure it out ~~if~~ when the US goes completely off the rails.

[–] atzanteol@sh.itjust.works 2 points 3 days ago

My understanding is that it's because it's new and they haven't optimized repair workflows yet (or hadn't at the time all that reporting was being done).

[–] CanadaPlus@lemmy.sdf.org 9 points 2 days ago* (last edited 2 days ago)

I call bullshit on them being able to rule that out. The software is closed source and, even if they've reverse engineered it, amounts to ~8 million lines of code.

Edit: As far as I can tell, despite the headline they did not actually claim they have ruled it out.

[–] Teknikal@eviltoast.org 14 points 2 days ago

I don't like that Britain is buying American jets and that our subs are designed for US nukes. We can do both ourselves and we were once very good at it.

Maybe the Tempest project should be sped up considerably and we should be working on our own warheads at the very least.

[–] Sato@lemm.ee 11 points 3 days ago (4 children)

It hardly matters at this point. Europe, collectively or individually, should start working on their own jets. Just to be safe, or just to spite the orange cunt. Any reason is good, it's high time anyway.

[–] Magister@lemmy.world 16 points 3 days ago

You mean like Mirage 2000 or Rafale? France was right on this at least, they have their own jets, tanks, even nuclear aircraft carrier

[–] mle86@feddit.org 1 points 2 days ago

There are already some: Eurofighter, Saab Gripen, Dassault Rafale.

Although I remember a news story from like 7 years ago, where Austrias new Eurofighter jets couldn't fly because they did not receive the GPS license from the US in time... So still dependent on the US, even for "domestic" jets, though that problem could probably be solved

[–] superkret@feddit.org 3 points 2 days ago

The Germans wanted that, but the US told them that their nukes stationed in Europe will only be allowed to be loaded onto a US-made jet.
So in order to not lose a large part of the current nuclear deterrent, and to not strain relations with the US, one of Germany's closest allies, they agreed to buy the F-35.

[–] backgroundcow@lemmy.world 1 points 2 days ago* (last edited 2 days ago)
[–] thann@lemmy.dbzer0.com 4 points 2 days ago

They don't have the source code for the various firmwares, so they are saying that completely out of their ass so they don't look like they just got taken for a ride...

[–] nutsack@lemmy.dbzer0.com 3 points 3 days ago (5 children)

why in the absolute fuck would the United States want to cripple the European military?

[–] Limitless_screaming@kbin.earth 12 points 3 days ago (1 children)

Why would the US want to abandon Ukraine and undermine NATO by threatening EU countries that "don't pay enough"?

[–] superkret@feddit.org 3 points 2 days ago

So the US can pull their own troops out.

[–] atzanteol@sh.itjust.works 12 points 3 days ago (1 children)

There is no "why" only the mad king's whim.

[–] nutsack@lemmy.dbzer0.com 1 points 2 days ago (1 children)

I'm angry too but circle jerk comments like this are not very insightful

[–] atzanteol@sh.itjust.works 0 points 2 days ago

It wasn't intended to be insightful.

[–] SreudianFlip@sh.itjust.works 4 points 2 days ago

I see a lot of discussions about why MAGA-fascists have flipped sides, but few talk about ideological alignment: they haven’t changed sides, they are just revealing their alignment with dictatorships. It’s workers against oligarchs, across the globe. This is the actual New World Order.

[–] guy@piefed.social 4 points 3 days ago

Easier for Russia to either invade or exert power?

[–] angrystego@lemmy.world 3 points 2 days ago

Because they're besties with Russia now.

[–] Dimmer@leminal.space 2 points 3 days ago

it doesn’t exists until it’s found.

[–] JeeBaiChow@lemmy.world 1 points 2 days ago (1 children)

They don't need to have a Killswitch. Just a transmitter for the f22s to lock on to.

[–] SuspiciousCatThing@pawb.social 1 points 2 days ago (1 children)

Isn't the f35 all about stealth? Which one actually wins?

[–] JeeBaiChow@lemmy.world 2 points 2 days ago

F22 is also stealth, plus higher thrust to weight, maneuverability and supercruise. It would swat the f35 in a dogfight, but now it's about locking on from miles away. The f32s radar is shrouded in secrecy, and though the f35s unit is 'newer', the us chose to keep one and sell the other to other nations, so I'd put my money on the f22.

[–] redlemace@lemmy.world 1 points 3 days ago
[–] arafatknee@lemmy.dbzer0.com 0 points 3 days ago

Big if true