David Wright

Co-director and senior scientist

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Dr. Wright received his PhD in physics from Cornell University in 1983, and worked for five years as a research physicist. He was an SSRC-MacArthur Foundation Fellow in International Peace and Security in the Center for Science and International Affairs in the Kennedy School of Government at Harvard, and a Senior Analyst at the Federation of American Scientists. He is a Fellow of the American Physics Society (APS) and a recipient of APS Joseph A. Burton Forum Award in 2001. He has been at UCS since 1992. Areas of expertise: Space weapons and security, ballistic missile proliferation, ballistic missile defense, U.S. nuclear weapons and nuclear weapons policy. David also blogs on the Equation.

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David's Latest Posts

North Korea’s April 5 Missile Launch

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 missile, called Pukguksong-2 in North Korea, which is a two stage solid-fueled missile with an estimated range of 1,200 km based on its previous test in February.

Subsequently, however, Pacific Command said it believed the missile was instead an older Scud, and that it may have tumbled, or “pinwheeled,” during flight. Read more >

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Why Freezing North Korea’s Weapons Programs Would Make Us Safer

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 military exercises. China also sees this as a way of starting talks between the United States and North Korea, which it believes is necessary to resolve hostilities on the peninsula.

Read more >

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North Korea Launches Four Missiles “Simultaneously”

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) of Japan. The four launches were said to be “simultaneous,” leading to speculation they were intended to be a barrage attack to overwhelm a missile defense system.

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North Korea’s February 12 Missile Launch

Updated 8 pm EST Sunday

North Korea reportedly launched a medium-range missile Sunday morning local time (about 6 pm Saturday on the US east coast).

People are speculating about what missile it could have been. Based on the range, there are at least two candidates, which would be distinguishable by US intelligence if it was able to observe the launch. Read more >

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Is North Korea Planning a Long-Range Missile Launch?

A press story from South Korea reports that the North may be preparing for a missile test launch, possibly in the next few days. Some suggest this could be intended as fireworks for Donald Trump’s inauguration.

While this story talks about the test being of a long-range missile (an intercontinental range ballistic missile (ICBM)) the few details that have been made public don’t seem to support that—although not much is known at this point. Read more >

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