Global Nuclear Risks Intensify as Diplomacy, Military Posturing, and Arms Control Limits Converge
23 February 2026 — DEFCON Warning System Diplomatic engagement between the United States and Iran continues amid one of the largest American
The DEFCON Warning System™
The World’s Only Public Nuclear Threat Advisory System. Independent, real-time analysis of global nuclear tensions. Since 1984.
Announcements
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Nuclear War Risk & Stability Briefing – 2/16/26
Alert Status This is The DEFCON Warning System. Alert status for 1 PM UTC, Monday, 6th February 2026:Condition Blue – DEFCON 4.
Nuclear War Risk & Stability Briefing – 2/9/26
The DEFCON Warning System Alert Status Report — 1 PM UTC, Monday, 9 February 2026 Condition Blue – DEFCON 4 There are
Nuclear War Risk & Stability Briefing – 1/26/26
DEFCON Warning System – Condition Blue (DEFCON 4)1 PM UTC, Monday, 26 January 2026 There are currently no imminent nuclear threats. However,
Nuclear War Risk & Stability Briefing – 1/19/26
DEFCON Warning System Condition Blue – DEFCON 4 Alert status for 1 PM UTC, Monday, 19th January 2026 There are currently no
Iran Crisis – DEFCON 4 Announcement
This is The DEFCON Warning System. Alert status for 12 AM, UTC, 15 January 2026: Condition Blue. DEFCON 4. There are currently
Nuclear War Risk & Strategic Stability Briefing – 1/12/26
Western Hemisphere Warning, Arctic Friction, NATO Cohesion Questions, Russian Nuclear Signalling, and Iran Unrest Alert status for 1 PM UTC, Monday, 12th
Nuclear Risk & Strategic Stability Briefing
U.S. Strikes, China’s Global Posture, and Escalation Risks This is The DEFCON Warning System. Alert status for 5th January 2026: Condition Green
Nuclear War Risk & Strategic Stability Briefing – 12/29/25
Global Developments: Mid–Late December 2025 Assessment Period: 15–28 December 2025Current Status: Condition Green – DEFCON 5Assessment: No imminent nuclear threats at this
Nuclear War Risk & Strategic Stability Briefing – 12/15/25
This is The DEFCON Warning System. Alert status for 1 PM UTC, Monday, 15th December 2025: Condition Green – DEFCON 5. There
Nuclear War Risk & Stability Briefing – 1 December 2025
This is The DEFCON Warning System. Alert status for 1 PM UTC, Monday, 1st December 2025: Condition Green – DEFCON 5. There
Strategic Threats & Global Stability Briefing – 24 November 2025
This is The DEFCON Warning System. Alert status for 1 PM UTC, Monday, 27th October 2025: Condition Green – DEFCON 5. There