And passive SAR is a lot less accurate than active SAR.
There isn't much need for stealth in all this the same way there isn't for an optical spy satellite. The adversary knows it is there and what it is looking at. The adversary just doesn't know its exact capabilities, and there's not much they can do about it being up there that doesn't lead to a sudden military escalation of some kind.
There isn't much need for stealth in all this the same way there isn't for an optical spy satellite. The adversary knows it is there and what it is looking at. The adversary just doesn't know its exact capabilities, and there's not much they can do about it being up there that doesn't lead to a sudden military escalation of some kind.