Disclaimer: not a weapons specialist. I'm not sure passive radar has much use as missiles and such. But it should be quite useful defensively (radar is useful f

Disclaimer: not a weapons specialist. I'm not sure passive radar has much use as missiles and such. But it should be quite useful defensively (radar is useful for detecting fast moving incoming objects), so I don't think it's very justified to put it under arms control. Drones for instance can be guided with off-the-shelf technology against slow moving targets. I'm definitely not absolutely against arms control, the extreme case of course is nuclear proliferation. I think it's best to keep nuclear secrecy and try to break nuclear proliferation and even disarm countries as much as possible. It's just too dangerous, hopefully an unnecessary risk and unnecessary technology for a peaceful world.