The Ukrainians recently captured a Russian drone which communicates via a fiber-optic link, making it jam-proof. This looks like a big headache and not just for Ukraine.
if you can see the wire that is likely laying in trees and twisting and turning. across the scale of most warfare this is far from a major opsec concern.
if you can see the wire that is likely laying in trees and twisting and turning. across the scale of most warfare this is far from a major opsec concern.