I'm 99% that sort of paint is very very "government secrets" by the US and doesn't get out much. Now could someone make a drone shaped like an f-117 and make i

I'm 99% that sort of paint is very very "government secrets" by the US and doesn't get out much. Now could someone make a drone shaped like an f-117 and make it invisible to civilian radar? probably. That sort of engineering is easy with todays technology.