here's a video from ukraine showing fiber optic cables all over the ground: https://files.catbox.moe/fx980o.mp4 maybe someone will find this interesting like I did.

Like a TOW missile or early torpedoes? Surprised we still use that method, but I guess it works!

Yes the method is nothing new. The novelty is FPV, considerably longer range (15km+) and relatively low cost.

TOW missiles were, believe it or not, FPV..

Optical tracking isnt fpv

precisely