Sure, but the rest of the sky (AKA outer space) is non-reflective, so how do you get your negative return back?
This falls in the "why don't you just" category of talking about fields you don't understand. Sure, there's an actual good idea you're moving towards, but it's kind of clear you don't know what you don't know.
After all, Boeing keeps having their planes drop out of the sky.
It's not a Boeing.