Kelley Sayler: Drones prove more effective in swarms

Kelley Sayler, associate fellow and defense analyst, Center for a New American Security

As both defensive and offensive platforms, unmanned aircraft have a lot more potential when working in groups known as swarms. It's something the Defense Advanced Research Projects Agency has been working on. Kelley Sayler, associate fellow and defense analyst at the Center for a New American Security, offers insight on Federal Drive with Tom Temin.