Nuclear Weapons

The Cold War is over, but the United States and Russia still keep thousands of nuclear weapons on alert and in reserve. Understand the issues with our technical and political analysis.


Subscribe to our Nuclear Weapons feed

Latest Nuclear Weapons Posts

Analysis of North Korea’s Musudan Missile Test–Part 1

, co-director and senior scientist

After four failed attempts to launch its so-called Musudan missile (called Hwasong-10 in North Korea), it appears to have had at least one success in a new sets of flight tests on June 21. That test tells us something interesting about the range of the missile. Read more >

Bookmark and Share

JASON Critiques the 3+2 Nuclear Stockpile Plan

, Washington representative and senior analyst

Yesterday the National Nuclear Security Administration posted the executive summary of a study by JASON, the independent science advisory group, of the “3+2” program to replace most of the U.S. nuclear weapons stockpile with a suite of new weapons. The summary is deeply skeptical of the 3+2 approach, noting several potential problems and offering only lukewarm support for some of the benefits that the programs’ supporters tout. Read more >

Bookmark and Share

Photo: Nuclear Regulatory Commission

Will Congress Reject the Administration’s New Plan to Dispose of Excess Plutonium?

, Washington representative and senior analyst

After several years and multiple studies, the Obama administration—led by the Department of Energy (DOE)—finally has a new plan to get rid of the excess plutonium generated by the U.S. nuclear weapons program: dilute the fissile material with non-radioactive materials and dispose of it in a geological repository. Read more >

Bookmark and Share

Kendall’s Telling Mistake on the LRSO

, Washington representative and senior analyst

In March, Frank Kendall, the Pentagon’s Under Secretary of Defense for Acquisition, Technology and Logistics, submitted a flawed report to Congress on the proposed new nuclear-armed cruise missile known as the Long Range Stand-Off Weapon, or LRSO. The report includes a telling error, claiming that the 2010 Nuclear Posture Review calls for maintaining a nuclear-armed cruise missile, when it does no such thing. Read more >

Bookmark and Share

Bad science: Russian objections to US plutonium proposal not a reason to keep MOX

, Washington representative and senior analyst

President Putin recently made some alarming statements about U.S. plans to cancel the current American approach to disposing of excess plutonium. His comments are important because the United States and Russia have an agreement to each dispose of 34 tons of excess plutonium generated by the two countries’ nuclear weapons programs. The Russian president suggested that the approach proposed by the Obama administration, to dilute the plutonium and dispose of it in a geological repository, was unsatisfactory and could damage U.S.-Russian relations. Read more >

Bookmark and Share