The DEFCON Warning System™

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

United States

It’s time to move beyond the question of whether the United States is, or should be, in a cold war with China,

Amid the regional and international meltdown, the million-dollar question seems to be: Does the US fear a direct military confrontation with Iran,

Over the past 10 years, the U.S. defense community has produced a tremendous volume of analytical work on the military balance between

Russia, the United States and China have all built new facilities and dug new tunnels at their nuclear test sites in recent

In an ultra-sterile room at a secure factory in Kansas City, U.S. government technicians refurbish the nation’s nuclear warheads. The job is

Repairing military equipment in a high-intensity conflict against a great power competitor should be identified as a gray rhino—a high impact, high

Russian and Chinese forces are growing bolder in their aerial intercepts of U.S. aircraft, in part because they’re no longer intimidated by

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

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

Last week, China released a new map called the 10-Dash map as a successor to Dash-9. This map represents an escalation by

This January, as global tensions rose worldwide, the Bulletin of Atomic Scientists moved the Doomsday Clock — which symbolizes how close they

The 2023 U.S. Strategic Command Deterrence Symposium was held Aug. 16-17 in downtown Omaha, Neb.