this post was submitted on 22 Sep 2025
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Fiber optic cable covered fields in the area of the 4th Battalion "Freedom Force" of the NGU's "Rubizh" Brigade. (i.imgur.com)
submitted 2 months ago by LaFinlandia@sopuli.xyz to c/ukraine@sopuli.xyz
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[–] Darkassassin07@lemmy.ca 8 points 2 months ago (1 children)

For what purpose?

Is this some kind of tripwire movement detection system? Communications? A visual deterrent?

Not much of a war tech enthusiast; first I've seen something like this.

[–] Whelks_chance@lemmy.world 25 points 2 months ago (4 children)

I read that some drones are fibre optic controlled instead of radio, as it can't be jammed. This seems like a lot to be just that though

[–] Habahnow@sh.itjust.works 16 points 2 months ago

My understanding is this is essentially a hotly fought over area, or nearby a contentious area. That's why there's so many cables going through here:all the drones that were flown past this area.

[–] martinb@lemmy.sdf.org 14 points 2 months ago

It's a lot of drones on both sides

[–] SkyezOpen@lemmy.world 12 points 2 months ago* (last edited 2 months ago)

That's exactly it. Every one of those lines was an FPV drone with a bomb. In addition to being impossible to jam, they also don't emit any signals so they're harder to detect.

Oh and you'll notice in some FPV videos that the video degrades as the drone gets closer to the target. This is generally due to signal interruption because of trees or terrain in the way. Fiber drones can fly as low as they damn well please with perfect video.

[–] Darkassassin07@lemmy.ca 11 points 2 months ago* (last edited 2 months ago) (1 children)

Riiight, I forgot about wire-guided missiles/torpedos. Makes sense to use a similar system for war drones.

Fiber-optic drones

[–] NotMyOldRedditName@lemmy.world 4 points 2 months ago (1 children)

I knew about the fiber-optic drones, I had never heard about it on missiles/torpedos.