Avatar photoNuclear Threats

Tense situations that prompt nuclear threats occur when one (or more) of three conditions exist: when the state issuing threats feels weak in some important respects, when other means of suasion are unsuccessful, and when the stakes involved are exceptionally high. Examples abound. Kim Jong-un threatens nuclear devastation when U.S. and South Korean troops carry …

Avatar photoGeolocating the Kalahari Test Site

I made an appearance at the end of Glenn Kessler’s fact check on Mark Kirk’s bizarre claim that Nelson Mandela abandoned South Africa’s nuclear weapons program — something we’ve been scratching our heads over for a while.  While I am officially against handing out Pinocchios, maybe this is the kick in the pants Kirk needs …

Avatar photoBack of the Envelope on the DPRK’s New SLBM

A lot of people are asking how to take measurements and make 3D models from 2D images. If conditions are juuusst right, SketchUp’s Match Photo technique is the way to go. Unfortunately, in our world, conditions are almost never just right, unless you happen to be able to take the photo yourself. Here’s an alternative …

Avatar photoChina MIRVs Some Missiles

The Pentagon’s annual report on China’s military power (PDF) describes for the first time, China’s CSS-4 mod 3 missile equipped with multiple independently-targetable re-entry vehicles. MIRVs! Hans Kristensen noticed the passage and, over the weekend, David Sanger and Bill Broad published a nearly 1000 word piece in the New York Times that includes quotes by …