What the drone invasion looks like

Unmanned aircraft are proliferating; this is what they look like
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Credit: Reuters

Mostly because of amazing military successes, the use of unmanned aircraft, or drones, over the past five years has exploded. Now drones are making their way into the public world as well via the U.S. Border Patrol and the Department of Homeland Security -- not without controversy, mind you. And more work needs to be done before the drones are allowed to truly enter public airspace.   Here we take a look at the plethora of drones currently plying or soon to ply the skies.

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