Navy works to laser-proof its drones

In May and June, the U.S. Navy sent four drones crashing into the Pacific Ocean, after blasting them with a prototype laser weapon. If follow-up tests are successful, there's a chance the ray gun might be ready for deployment some time around 2016. Other countries' energy weapons will come years afterward -- if they ever come at all. But the Navy isn't taking any chances. It's pushing ahead with research to laser-proof its drones, just in case anyone else has the bright idea of using ray guns to down America's robot planes.

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