US drone dilemma: Why the most advanced military in the world is playing catchup on the modern battlefield

Most American soldiers lack the know-how for fighting with unmanned systems, and while the US has excelled at building large, expensive weaponry, it is in many ways unprepared to quickly produce large quantities of small, cheap systems, like drones.

​ Most American soldiers lack the know-how for fighting with unmanned systems, and while the US has excelled at building large, expensive weaponry, it is in many ways unprepared to quickly produce large quantities of small, cheap systems, like drones. Read More Breaking News, Latest News and Videos | CNN