CNBC: Why The Pentagon Is Spending Billions To Bring Laser Weapons To The Battlefield

Direct energy weapons such as lasers and high powered microwaves may soon be used to defend against drones and rockets on the battlefield. These futuristic sounding weapons are part of a new wave of devices produced from billions of dollars in research and development from the Defense Department. But how close is the U.S. military to using these weapons in the field?