Research article: United States nuclear weapons, 2021 (text-to-speech voice available) User AutoModerator, in the NuclearEmergency subreddit, 15 Dec 2021
Research article: United States nuclear weapons, 2021 (text-to-speech voice available) User AutoModerator, in the NuclearWarfare subreddit, 15 Dec 2021
United States nuclear weapons, 2021 User Cultural_Attache, in the IntelligenceFiles - subreddit for documents and files about intelligence, espionage and security. subreddit, 22 Mar 2021