America Abroad: How drones are reshaping the world

U of M agriculture research drone
A small drone equipped with a camera to record light invisible to the human eye took off at a University of Minnesota crop test plot near Crookston, Minn., on July 27, 2015.
Dan Gunderson | MPR News

Hundreds of thousands of drones are taking to the skies. They're used in real estate and construction, package delivery, and journalism. They're also used to deliver humanitarian aid around the world and to find and kill the most wanted terrorists. How did this technology move so quickly from science fiction to ubiquitous reality?

From the America Abroad series: "How Drones Are Reshaping the World."