thedrive.com — A reference buried in a destroyer's logs confirms that portable counter-drone devices were eventually deployed during a spate of swarm events in 2019.
dronedj.com — Flying drones in fog should be avoided. Then why are NASA engineers flying drones in fog so thick, you can't see three feet in front of you?
bigislandvideonews.com — (BIVN) - A technique that helps scientists to rapidly generate maps of eruption activity from aerial imagery is the focus of a new USGS Hawaiian ...