I know what they're called. Unmanned fighters are on the horizon but are not here yet. The Secretary of the Navy declared the F-35 the last manned fighter the Navy will ever fly.
I looked through that. Thats not what I'm talking about. That's a preloaded disc with all the child's information for the amber alert should they go missing. I'm talking about being able to track a missing child in real time using an implanted GPS device. We've already got it on our phones.
Ooops. I thought that was about the service that is available:
http://www.forbes.com/sites/andygre...-heres-what-the-diy-surgery-looks-like-video/
The distance between the RFID implant and a reader device varies and is surely being tweaked to become further. I'd say if a person or animal has such an impkant in an urban surrounding, finding that impkant is just a matter of time, short time.