The document obtained based on freedom information Act (Full for information Act (Pelated by the U.S.Pelightseeing in September 2019).Security forces have monitored, but the drone was not allowed to disappear until the drone was disconnected.This incident is a mystery about what they sent them, but they have sent a mystery.Documents gained under the Freedom of Information Act show how a number of small drones flew around a restricted area at Palo Verde Nuclear Power Plant on two successive nights last September. Security forces watched, but were apparently helpless to act as the drones carried out their incursions before disappearing into the night. Details of the event gives some clues as to just what they were doing, but who sent them remains a mystery.https://www.forbes.com/sites/davidhambling/2020/07/30/drone-swarm-invaded-palo-verde-nuclear-power-plant/#3bd6982f43de”Drone Swarm” Breaks Into Paro Verde Nuclear Power Plant Last September — Two documents obtained under the FoIA show a small drone that flew for more than an hour over the restricted area of Paro Verde Nuclear Power Plant for two consecutive nights last year September.www.forbes.com”Drone Swarm” Breaks Into Paro Verde Nuclear Power Plant Last September — Two documents obtained under the FoIA show a small drone that flew for more than an hour over the restricted area of Paro Verde Nuclear Power Plant for two consecutive nights last year September.www.forbes.com”Drone Swarm” Breaks Into Paro Verde Nuclear Power Plant Last September — Two documents obtained under the FoIA show a small drone that flew for more than an hour over the restricted area of Paro Verde Nuclear Power Plant for two consecutive nights last year September.www.forbes.com