this post was submitted on 11 Mar 2025
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I've seen a few articles now that US fighter jets have kill switches in them, so the US could just render them useless for anyone they've sold them to.

Is this true? It sounds insane to me, I've always assumed that countries that buy these jets have full control over them. It's a gaping hole in your defence if you don't.

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[–] vvilld@lemmy.world 13 points 18 hours ago (9 children)

If a country doesn't produce their own fighter jets (which only ~20 countries do) but needs to buy some, they don't have a lot of options. And while it's private companies that manufacture and sell the jets, the government of the manufacturing country isn't going to let a business sell weapons of war to just anyone. The US doesn't want to sell jets that might later get used against the US. So any weapons sales have to be approved by the US government first. Just like they don't want to sell to an enemy, they don't want the weapons they agree to sell to get stolen by an enemy. So they include technology (kill switch) than can prevent that from becoming a problem.

[–] piecat@lemmy.world 2 points 12 hours ago (3 children)

Can it not be removed? Or cracked?

[–] yunxiaoli@sh.itjust.works 0 points 12 hours ago (2 children)

Because encryption is a weapon of war (according to the US government, seriously look up why encryption tech cannot be exported even as open source to us enemies), breaking their encryption and trying to install your own software would be an act of war.

[–] JackbyDev@programming.dev 4 points 11 hours ago

Yes. Until pretty recently Java didn't contain unlimited strength encryption algorithms by default because of this/not getting around to updating

https://en.wikipedia.org/wiki/Java_Cryptography_Extension

https://bugs.openjdk.org/browse/JDK-7024850?focusedId=11988280&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-11988280

I'm not gonna dig deeper, but it seems like the actual policy change was as late as 2011 based on the comment, but they didn't get around to changing it for another few years.

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