The DEFCON Warning System™

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

Middle East

Are We Sure Iran Doesn’t Already Have a Nuclear Weapon?

For years, the conventional wisdom has been clear: Iran does not possess a nuclear weapon. Western intelligence agencies, international inspectors, and most

The Iran War: Separating Reality From the Hype

The U.S.–Iran conflict that began on 28 February 2026 is serious but often mischaracterised by alarmist coverage. In reality, U.S. and Israeli

Will a Surviving Iranian Regime Be More Likely to Seek Nuclear Weapons?

In late February 2026, United States and Israel initiated major combat operations against Iran in an operation the U.S. government describes as

Iran’s “Breakout” Reality Check: Hype, Evidence, and the Gap Between Them

If you only read the headlines, Iran is forever “weeks from a bomb.” The reality is more complicated—and it changes month by

The Erosion of Deterrence: Why Tactical Nuclear Weapons Are Becoming Thinkable Again

For decades after Hiroshima and Nagasaki, the very notion of using nuclear weapons was considered unthinkable. A powerful nuclear taboo took hold

From Ukraine to Taiwan: How Nuclear Blackmail Threatens Future Wars

As Russian tanks rolled into Ukraine in 2022, one threat loomed over all battle plans – the spectre of mushroom clouds. Vladimir

The Hidden Bombs: What You Don’t See in Official Nuclear Counts

Nuclear weapons are often discussed in terms of official treaties and declared stockpiles. But lurking behind those official numbers are additional warheads

Who Can Launch in 15 Minutes? A Look at Nuclear Readiness Around the World

In a nuclear confrontation, minutes—not hours—determine outcomes. The size of a nuclear arsenal is only one part of the equation. Equally critical—and

Armageddon’s New Arms Race: The 2025 Nuclear Buildup

It has been over three decades since the Cold War ended, yet global nuclear arsenals are once again on the rise. Nuclear-armed

Does Iran Already Have a Nuclear Weapon? Exploring Experts’ Views and Clues

Introduction Is Iran secretly a nuclear-armed power? The mere possibility raises the stakes for global security. For years, Tehran’s nuclear ambitions have

Iran After the War: Will a Nuclear Deal Halt Their Weapons Programme — or Just Bury It Deeper?

Introduction When the war between Israel and Iran finally draws to a close, a new uncertainty will loom: the future of Iran’s

Could Israel and Iran’s War Turn Nuclear? Escalation Scenarios After the Latest Strikes

Smoke billows after an explosion in Tehran, Iran, following Israeli strikes on June 13, 2025. The Middle East awoke to a frightening