The Ru NC3 thread. So, let’s start with the SMF system. It contains two sub systems - the C2 (a) and the ICT (b). For (a) there are 5 generations, 4 of which are currently in service to some extend. 1/9

Nuclear War Simulator Episode 4 is out now. Learn a grim lesson about fallout and how radiation can poison communities and the environment: youtu.be/7iYQjh2fSe0

Ballistic Missiles Penetration Aids 🧵1/24

Just out: our latest Nuclear Notebook, this one on Indian nuclear forces. Status and modernizations. Satellite images of forces and facilities. Warhead estimate. Available in PDF article format: tandfonline.com/doi/epdf/10.10… or web format thebulletin.org/premium/2024-0…

My thanks to MT Anderson for providing this Planet Labs imagery and allowing me to publish it with comments. As is readily apparent, the RS-28 Sarmat test was a complete failure. The missile detonated in the silo leaving a massive crater and destroying the test site. The

Maxar collected new high-resolution satellite imagery yesterday (September 21st) that reveals the aftermath of a dramatic launch failure of a Russian RS-28 ICBM at a launch site in the Plesetsk cosmodrome. 📷 Maxar Technologies Launch site before vs after

I’m very happy to announce my next book: ‘THE NEW NUCLEAR AGE’ (Polity). The book surveys the many growing sources of nuclear anxiety around the world and identifies pathways to managing these risks. Pre-order here: amazon.com/New-Nuclear-Ag… Carnegie Nuclear Policy Carnegie Endowment

Time for a big NWS update! - New scenarios with objectives and progression - New scenario creation tools - Long-term fatalities from fallout - Better UI and visualizations Now in open beta on Steam

Nuclear war survival skills osti.gov/servlets/purl/…

I'm incredibly honored to receive the 2025 American Physical Society Joseph A. Burton Forum Award! The Award recognizes “outstanding contributions to the public understanding or resolution of issues involving the interface of physics and society.” Princeton School of Public & International Affairs aps.org/funding-recogn…

No regrets: #CMO v1.07 now available command.matrixgames.com/?p=5740

My latest in Washington Post Opinions - the 5th installment of our Federation of American Scientists🔬 series "The Next Nuclear Age" How a president might come to launch a nuclear strike Massive thanks to Sébastien Philippe for helping us model what a nuclear attack on DC might look like wapo.st/4npIWCp

China is building a launch on warning nuclear early-warning enterprise. My new piece maps Huoyan/TJS GEO coverage and LPARs, explains Base 26 TT&C and Base 37 fusion, and traces warning flows over ISF networks. It also assesses escalation risks. substack.com/home/post/p-17…

Allegedly Zapad-2025 will include Oreshnik use.