Did you miss my earlier post - I was unintelligible back then but the CASA introduced English Language Testing, and my quick learning, has turned me into a veritable Rhodes Scholar.
I think the point you miss is that UAV are designed to be piloted by a ground station and do not need GPS guidance. A simple matter of navigation from a ground station using a forward looking camera or FLIR on a datalink.
james michael, yet again you make a fool of your self