Nuclear War Risk & Stability Briefing – 20 April 2026
DEFCON Status: Condition Blue (DEFCON 4) There are currently no imminent nuclear threats. However, multiple developments across several regions warrant closer monitoring
The World’s Only Public Nuclear Threat Advisory System. Independent, real-time analysis of global nuclear tensions. Since 1984.

DEFCON Status: Condition Blue (DEFCON 4) There are currently no imminent nuclear threats. However, multiple developments across several regions warrant closer monitoring
The DEFCON Warning System 13 April 2026 Condition Blue – DEFCON 4 There are currently no imminent nuclear threats at this time.
Condition Blue – DEFCON 4 There are currently no imminent nuclear threats at this time. However, there are events occurring in the
Escalation Risks in the Iran Conflict: A Strategic Assessment As the war in Iran continues, the question of escalation remains. How far
Alert Status: Condition Blue – DEFCON 416 March 2026 – 1:00 PM UTC Over the past week, several developments across multiple regions
In late February 2026, United States and Israel initiated major combat operations against Iran in an operation the U.S. government describes as
Alert Status: Condition Blue – DEFCON 4. There are currently no imminent nuclear threats, but several events in the world theatre warrant
DEFCON Warning System Alert Status: Condition Blue – DEFCON 41 PM UTC, Monday, 2 March 2026 There are currently no imminent nuclear
23 February 2026 — DEFCON Warning System Diplomatic engagement between the United States and Iran continues amid one of the largest American
Alert Status This is The DEFCON Warning System. Alert status for 1 PM UTC, Monday, 6th February 2026:Condition Blue – DEFCON 4.
The DEFCON Warning System Alert Status Report — 1 PM UTC, Monday, 9 February 2026 Condition Blue – DEFCON 4 There are
DEFCON Warning System – Condition Blue (DEFCON 4)1 PM UTC, Monday, 26 January 2026 There are currently no imminent nuclear threats. However,