New details have emerged of how mysterious drones harassed U.S. warships off California on multiple occasions in 2019. The Navy has yet to determine where the drones came from, who was operating them, or why they buzzed around a group of U.S. destroyers. The incidents were first reported by documentary filmmaker Dave Beaty, with new details obtained by news website The Drive using Freedom of Information Act requests to get the ships' logs of the encounters. The vessels involved were the destroyers USS Kidd, USS Rafael Peralta and USS John Finn. They were engaged in a training exercise in a...