How do they not work? Just fail in transmitting data completely? Do you have a link to learn more about this?

Cable breaks

Well, there's a difference between breaking and being broken. I wouldn't say 33% of all B-17s "didn't work" because they were shot down.

	▲	DrewADesign 3 hours ago \| parent [-]
		Also, those drones are essentially guided projectiles, and not even particularly expensive ones at that. What percentage of projectiles do you imagine successfully connect with their targets in combat?