The FAA imposed a surprise flight ban over El Paso earlier this week amid disagreements within the U.S. government over the use of a high-energy laser against drones at the border.

Sources say an Army antidrone laser near Fort Bliss prompted a brief FAA airspace closure—spotlighting the hazards of battlefield technology in civilian skies ...

Aviation officials shut down the airspace over El Paso after Customs and Border Protection officials fired a laser on loan from the Pentagon.

The Defense Department has been aggressively pursuing laser weapons and defense systems, a push that gained significant attention this week when the use of an anti-drone laser system led to the ...