The Secret Service has spent years studying the threats drones pose, but officials said the agency isn’t able to easily identify and stop a typical one.
The man later called the Secret Service and explained that he never intended for his “quadcopter” to breach White House security, investigators said.
The Obama administration was forced to cease operations after Yemen’s government collapsed.
The collapse of the government could impede American operations against al-Qaeda in the country.
A Malaysian defense contractor pleaded guilty to using cash, sex and luxury goods in the scheme.
Malaysian businessman is accused of offering commanders prostitutes and cash for inside information.
The U.S. State Department says Dominic Ongwen will be handed over to an African Union military task force.
Pentagon also announces that F-35 Joint Strike Fighters will be based in the U.K., the first deployed in Europe.
Aerial surveillance has helped to detect relatively few attempted border crossings, auditors say.