Nuclear Weapons Resources

Close calls have nearly led to the launch of nuclear weapons—and the risk is still there. Learn about past incidents and current issues here.

A surprising number of high-level politicians and generals have called for an end to hair-trigger alert.

Hair-trigger alert is a risky and outdated policy with serious implications for U.S. security.

From television and telephones to safety and science, we use satellites every minute of every day.

In 2000, both the United States and Russia agreed to dispose of a significant fraction of their excess plutonium—but so far they haven’t.

Leaders have cut nuclear arsenals to levels not seen since the 1950s—but more remains to be done.

Hundreds of US nuclear warheads are kept ready to launch within minutes—making us less safe, not safer.

Smart planning and thoughtful safeguarding—not weaponization—will protect US interests in space.

Learn about China's ASAT program, including a translation from a 2003 Chinese military textbook that outlines China's missile and space strategies.

Policy recommendations from experts on nuclear weapons safety and security.

The UCS Nuclear Weapons Complex Map is a free, publicly available, interactive tool that allows users to explore the U.S. nuclear weapons complex in Google Earth.

This 2013 report takes a big picture look at the U.S. nuclear weapons program and recommends cost-effective changes to improve U.S. security.