Forget Fighter-Jets : the New most Advanced Combat -Drones Under Development

Most Advanced Combat -Drones Under Development

The 21st Century is turning into the century of drones (Unmanned Aircraft), in business, in recreation, and even in Military (future-war).
 
UK, Russia and China are advancing their skill-sets in most advanced stealth combat-drone. What if America should accelerate its efforts to convert old fighter jets into combat-drones?
 
Now Iran join UK, Russia, China and the USA in Stealth Combat-drone Race.
 
Credit to : Weapons Of The World