Just came across this interesting article on NAV's some might find interesting. The videos are worth a look as well. DRDO is tasked to make them smaller and smarter. You don't to read this however, the next time you're in the garden etc. and "spy" a beetle on a plant, you just might want to make it's not really spying on you!
http://www.airforce-technology.com/f...-in-the-skies/
And a new mini UAV SpyLite from Israel.
http://www.airforce-technology.com/p...ni-uav-system/
Regards,
Pat