David Wright

Based on current information, today’s missile test by North Korea could easily reach the US West Coast, and a number of major US cities. Reports say that North Korea again launched its missile...

In a previous post , I estimated what North Korea could have learned from its May 14 Hwasong-12 missile test that is relevant to developing a reentry vehicle (RV) for a longer range missile. I’ve...

Current reports of North Korea’s July 4 missile test say the missile had a range of “ more that 930 km ” (580 miles), and flew for 37 minutes (according to US Pacific Command). A...

A week after the test launch of an intermediate-range Hwasong-12 missile, North Korea today tested a medium-range missile. Based on press reports, this appears to be a Pukguksong-2 missile, which is...

As North Korea continues its missile development, a key question is what it may have learned from its recent missile test that is relevant to building a reentry vehicle (RV) for a long-range missile...

North Korea launched a missile in a test early in the morning of May 14, North Korean time. If the information that has been reported about the test are correct, the missile has considerably longer...

North Korea launched a missile from its east coast into the Sea of Japan at 6:12 am local time on April 5 (5:42 pm on April 4 US eastern time). US Pacific Command initially identified it as a KN-15...

Last week, China proposed a way to reduce tensions on the Korean peninsula: Pyongyang would freeze its missile and nuclear programs in exchange for Washington and Seoul halting their current round of...

In the March 2017 issue of Scientific American , the editorial board calls for the United States to take its nuclear missiles off hair-trigger alert as a way to reduce the risk of mistaken or...

Yesterday North Korea launched four ballistic missiles into the Sea of Japan. The missiles reportedly traveled an average of 1,000 km (620 miles), and landed within 300 to 350 km (185 to 220 miles)...

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