The National Transportation Safety Board has released drone video of investigators surveying ... helicopter and American Airlines passenger plane in Washington, DC killed 67 people.

Much smaller than a crewed plane, it has a wingspan of more than 11 feet and is 6 feet in length. A three-person crew can launch the bomber drone from a catapult in minutes. The Backfire drone has ...

Drones tend to be quieter and make a higher-pitched buzzing noise than that generated by the jet engines or propellers that drive planes and helicopters. But bigger drones can be louder ...

"Appears to show glowing orbs turning into drones. Verified not to be planes. Hover ... or certainly not an alien invasion or ...