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submitted 8 months ago by Masimatutu@mander.xyz to c/memes@lemmy.ml
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[-] SuperIce@lemmy.world 89 points 8 months ago* (last edited 8 months ago)

The US nuclear arsenal still runs on floppy disks.

EDIT: The Air Force claimed they finished a migration from 8-inch floppy disks to solid state storage in June 2019, so my info is slightly out of date. They did use floppy disks for over 50 years though (1968-2019).

[-] Usernamealreadyinuse@lemmy.world 28 points 8 months ago

The thing with random internet replies: you never know if it's true (you could look it up, but that would make life to easy).

So this is or:

  • really scary
  • unbelievable smart cause nobody knows how to use them
  • not true

Probably there are some other options but I'll go for a combination of the first and second one and hoping for the third

[-] SuperIce@lemmy.world 32 points 8 months ago

Doing a bit of research online, my info is slightly out of date. They used floppy disks from 1968 to 2019. In 2019, they migrated from the old 8 inch floppy to "highly secure solid-state storage". They don't specify what type of solid state storage they actually use now though.

Source: https://www.nytimes.com/2019/10/24/us/nuclear-weapons-floppy-disks.html

[-] Daqu@feddit.de 16 points 7 months ago

3.5" is much more solid than 8" floppies.

[-] constantokra@lemmy.one 11 points 7 months ago
[-] Confused_Emus@lemmy.world 5 points 7 months ago

The R in smart looked like an H at first. Was wondering if they made these in Maine.

[-] mlg@lemmy.world 10 points 7 months ago

"Highly secure solid-state storage"

Probably used the same encryption scheme on an SD card adapter that plugs directly into the floppy drive lol.

[-] gizmonicus@sh.itjust.works 4 points 7 months ago

Like one of those old cassette tapes with a headphone cable when MP3 players first came out and cars didn't have adapters? Lol

[-] Usernamealreadyinuse@lemmy.world 2 points 7 months ago

Thanks this makes me feel (a bit) more secure...

[-] TurboDiesel@lemmy.world 22 points 7 months ago* (last edited 7 months ago)

It was true at one point, but has since changed. The systems are totally air-gapped and worked 100% of the time, so there was never a reason to change them.

Also true: Boeing still uses floppies to update their 747s.

[-] atlasraven31@lemm.ee 7 points 7 months ago

Yup, we don't want it to crash.

[-] kogasa@programming.dev 1 points 7 months ago

Eh? You can verify bit for bit that a digital transfer off an SSD was successful.

[-] tilcica@lemm.ee 7 points 7 months ago* (last edited 7 months ago)

yea but SSDs are not reliable enough. random bit flips from cosmic events, degradation of data if unpowered for a long time, can only be written to so many times

they are VERY reliable for casual PC use or even server storage but not for something that could start ww3 if it glitches

also, as some other people said, dont change something that already works

[-] kogasa@programming.dev 2 points 7 months ago

That has nothing to do with file transfer ("updating"), just long term storage. It's also a solved problem. You can solve it at the software level with modern self-healing filesystems.

[-] kamenlady@lemmy.world 10 points 7 months ago

It boils down to "never change a running system"

[-] atlasraven31@lemm.ee 5 points 7 months ago

Laughs in Linux

this post was submitted on 03 Nov 2023
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