A mysterious August explosion at a Russian missile test site likely involved a prototype nuclear-powered weapon.
The Defense Department has ended a program to design a new missile defense kill vehicle after the system failed to overcome technical hurdles.
Join Kingston Reif and Thomas Countryman for a members-only briefing on the future of the New START agreement between the United States and Russia.
Everybody knows that nuclear weapons have been used twice in wartime and with terrible consequences. Often overlooked, however, is the large-scale, postwar use of nuclear weapons: At least eight countries have conducted 2,056 nuclear test explosions, most of which were far larger than the bombs that leveled Hiroshima and Nagasaki.
Risk reduction measures are needed more than ever as just one U.S.-Russian treaty limits the size of the two nations’ strategic nuclear arsenals.
An innovative verification approach could help build confidence that North Korea is complying with any denuclearization agreement in the future.
New START is the only pact left to limit U.S. and Russian nuclear weapon deployments.
The United States acts quickly to test a weapon once prohibited by the INF Treaty.
Prospects for extending the treaty appear to be weakening under U.S. criticism.
As U.S. and North Korean leaders make nice, a next round of nuclear negotiations remains unscheduled.
Pentagon plans to replace U.S. ICBMs are disrupted by contractor difficulties.