Skip to content
Search

Latest Stories

Welcome! Log in to stay connected and make the most of your experience.

Input clean

Finding Common Solutions

The Cipher Brief: Japan, South Korea, and Taiwan have the technical ability to pursue nuclear weapons, but all three have refrained. What conditions would have to exist for these countries to consider nuclear programs?

Tom Cynkin: Japan, South Korea, and Taiwan have each considered the circumstances under which they would pursue active nuclear weapons programs.  While all three adhere to the terms of the Nuclear Non-Proliferation Treaty (NPT), they each have the technical capability to produce nuclear weapons.  Japan could probably develop and deploy a nuclear weapon within a year; South Korea and Taiwan would take a bit longer, given the state of their fissile technology.

Keep reading...Show less
Access all of The Cipher Brief’s national security-focused expert insight by becoming a Cipher Brief Subscriber+ Member.

Related Articles

The Downward Spiral of Western Counterintelligence

OPINION — Counterintelligence is one of the most vital functions of the intelligence community, helping protect against foreign threats. [...] More

Beijing’s Rare Disclosure on DF-5B Missile Signals Shift in Nuclear Messaging

Beijing’s Rare Disclosure on DF-5B Missile Signals Shift in Nuclear Messaging

CIPHER BRIEF REPORTING -- China’s state television put a rare public focus on Beijing’s DF-5B intercontinental ballistic missile earlier this month, [...] More

An Urgent Call to Close the Loopholes on Chips and China

EXPERT PERSPECTIVE / OPINION -- The core lessons from the Cold War should guide us as we face the new “Axis of Aggressors” today. First among these, [...] More

Report for Monday, June 30, 2025

8:29 America/Chicago Monday, June 30 [...] More

A Good NATO Summit, Though Russia Won a Round

EXPERT Q&A — NATO leaders convened in The Hague this week for a summit aiming to strengthen the alliance's defenses, with the ever encroaching threat [...] More

NATO Wins Will Have an Impact

CIPHER BRIEF EXPERT Q&A — NATO leaders convened at The Hague this week and agreed to raise the alliance’s defense spending target to 5% GDP, marking [...] More

Dead Drop: June 27

THIS WEEK: SURPRISES, SECRETS AND SPY COCKTAILS: This week’s best collection of national security gossip is filled with surprises, secrets and a [...] More

NATO Lures Trump Back - at a Cost

NATO Lures Trump Back - at a Cost

CIPHER BRIEF REPORTING – The stakes at this week’s NATO summit were sky-high – support for Ukraine, a shoring up of Europe’s defenses, and the [...] More

Report for Friday, June 27, 2025

8:11 America/Chicago Friday, June 27 [...] More