this post was submitted on 13 Jul 2025
        
      
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Soviet surveillance drones, which Ukraine has used a few times as suicide drones, were not much more complex than a radiola. Had a flight program in the form of perforated tin disc, if I remember correctly, and an electro-mechanical system of following those instructions (not a computer). They'd be just sent on preprogrammed routes, make photos, those retrieved and analyzed on return. No radio communications, stealthy enough for their purpose.