A U.S. Air Force MQ-1B Predator unmanned aerial vehicle, carrying a Hellfire missile, lands at a secret air base after flying a mission in the Persian Gulf region on Jan. 7. John Moore/Getty Images hide caption

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UmmaGawd (Tommy Tibajia), a pilot in the Drone Racing League, flies his quadcopter in an abandoned power plant in New York. The Drone Racing League hide caption

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A Video Game IRL: Drone Racing League Aims To Be NASCAR In The Air
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Chinese brand DJI Technology Co. has become the leading supplier in the commercial drone market. The Phantom 2 Vision+ drone pictured functions by remote control. Kin Cheung/AP hide caption

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What You Should Know Before You Test The Holiday's 'Flyest' Gift
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An illustration shows what a helicopter drone would look like on the surface of Mars. NASA/JPL-Caltech hide caption

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Someday A Helicopter Drone May Fly Over Mars And Help A Rover
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Journalist Scott Shane says that the videos and DVDs of the late imam Anwar al-Awlaki (above) continue to inspire terrorist acts. Muhammad ud-Deen/AP hide caption

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Drone Strike That Killed Awlaki 'Did Not Silence Him,' Journalist Says
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A brown bear in its natural habitat. Wildlife ecologists in Minnesota found that black bears in their study experienced an increase in heart rate when buzzed by drones. iStockphoto hide caption

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Drones Increase Heart Rates Of Wild Bears. Too Much Stress?
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A helicopter flies near the Lake Fire in California's San Bernardino National Forest on June 19. Firefighters mobilized to combat the wildfire from the air, but they had to be grounded to avoid drones in the area. David McNew/Reuters/Landov hide caption

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In The Heat Of The Moment, Drones Are Getting In The Way Of Firefighters
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