After a two-year review, the Nuclear Regulatory Commission (NRC) has declined to require owners of U.S. nuclear power reactors and some nuclear material processing plants to defend against unmanned aerial vehicles, commonly known as drones.
As a result, commercial nuclear facilities will remain unprepared to cope with the additional capabilities that these rapidly evolving technologies could provide to terrorist groups seeking to sabotage nuclear reactors or steal weapon materials, according to the Union of Concerned Scientists (UCS). The decision was disclosed in an unclassified summary document posted on the NRC’s public document server on October 30 …
https://www.ucsusa.org/about/news/nrc-decision-leaves-nuclear-plants-vulnerable-terrorist-drones
Union of Concerned Scientists | Nov. 4, 2019