The DEFCON Warning System™

The World’s Only Public Nuclear Threat Advisory System. Independent, real-time analysis of global nuclear tensions. Since 1984.

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China

The Case for Urgency With China

Policymakers often assume the United States can deter China from invading Taiwan or win if deterrence fails. But that is no longer ...
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NATO

The ‘Real Nuclear Crisis’ Fear Behind a Single Pentagon Document

The United States may be looking to station nuclear weapons in the United Kingdom for the first time in 15 years—and the ...
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China

Xi Jinping Is Done With the Established World Order

The world’s most powerful leaders gathered in New Delhi for the year’s premier diplomatic event—the G20 summit—but China’s Xi Jinping deemed it ...
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Korea

Ex-US intelligence officer for North Korea points to growing concern on nuclear threat toward South

The founder of North Korea’s ruling dynasty, an isolationist totalitarian leader named Kim Il Sung, was still building some of the country’s ...
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© 2026 The DEFCON Warning System. Established 1984.

The DEFCON Warning System is a private intelligence organization which has monitored and assessed nuclear threats by national entities since 1984. It is not affiliated with any government agency and does not represent the alert status of any military branch. The public should make their own evaluations and not rely on the DEFCON Warning System for any strategic planning. At all times, citizens are urged to learn what steps to take in the event of a nuclear attack.