Nuclear Weapons Resources

UCS report looking at U.S. nuclear declaratory policy and its effects on U.S. relations with Japan.

Facts about eight key facilities in the nuclear weapons complex, where weapons and their component parts are designed, assembled, tested, maintained and disposed of.

This report summarizes the proceedings of a November 2011 workshop on the Department of Energy's stockpile management program.

The administration and Congress should re-examine why they are spending money on the X-37B.

The United States has the technical capabilities both to maintain a secure and reliable nuclear weapons stockpile without nuclear testing, and to monitor clandestine testing by other nations.

Our analysis finds that there will be no adverse effects of delaying construction, and moreover, that there is no clear need for the CMRR-NF as currently proposed.

More than 950 operating satellites currently orbit the Earth.As their numbers and importance increases, so do concerns about keeping them safe--because for as long as there have been satellites, there have been plans for interfering with them.

Verification, force structure, and requirements for the New Strategic Arms Reduction Treaty.

A 2011 UCS analysis refutes claims that China is modernizing its nuclear arsenal to achieve parity with the U.S. and Russia.

MOX fuel, short for mixed-oxide fuel, is a mixture of uranium and plutonium oxide. It carries risks.

A 2010 paper by UCS analyst Gregory Kulacki describing the historical and political context for discussions between the U.S. and China on cooperative space ventures.

Reprocessing increases the total volume of radioactive waste.