Nuclear weapons are intrinsically neither moral nor immoral, though they are more prone to immoral use than most weapons.

His theories contributed to the development of the nuclear strategy of the United States. He was a founder of the Hudson Institute think tank and originally came to prominence as a military strategist and systems theorist while employed at RAND Corporation USA. He was known for analyzing the likely consequences of nuclear war and recommending ways to improve survivability; a notoriety that made him an inspiration for the title character of Stanley Kubrick's classic black comedy film satire Dr.