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Nuclear Weapons: A Security Problem, Not a Security Solution

The world has changed. Since the Cold War, over 17,000 nuclear warheads remain in the world, many on hair-trigger alert. Yet nuclear weapons don't effectively address today’s security threats, including terrorism.

Nuclear weapons present unique risks. The sheer number of weapons in the world, and the policies governing their use, creates significant opportunities for accidents, theft, and rash decision making—with extremely severe consequences.

What's NEW

FACTSHEET: The Troubled Kill Vehicle
U.S. missile defense needs sound technical analysis, not politically-driven timelines.

FACTSHEET: U.S. Nuclear Arsenal
Recommendations for the future of the U.S. arsenal.

REPORT: U.S. Nuclear Weapons Complex
The U.S. can and should manage its nuclear weapons better.

REPORT: Workshop on U.S. Nuclear Weapons
Perspectives on the safety and security of U.S. nuclear weapons.

REPORT: Nuclear Test Ban Treaty
The U.S. can maintain security without nuclear tests.

Summer Symposium

Our annual symposium brings together young scientists working on international security and arms control issues. Learn more >

All Things Nuclear Blog

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We have better ways of ensuring our security. Step-by-step reductions of nuclear stockpiles—along with significant policy shifts on missile defense, nuclear terrorism, and other related areas—are essential for U.S. and global security.

Learn more about why we work on nuclear weapons, or look below for our program work.

Changing Nuclear Weapons Policy

Reducing the number of nuclear weapons worldwide—and better managing nuclear weapons in the United States—will reduce risk and enhance U.S. security.

Learn more about changing U.S. policy >

Preventing Nuclear Terrorism

“Reprocessing” used fuel from nuclear power plants creates material that’s usable in nuclear weapons. Avoiding this unnecessary step is crucial for preventing nuclear terrorism.

Learn more about preventing nuclear terrorism >

Limiting Missile Defense

U.S. defenses against long-range missiles are expensive, ineffective, and may actually undermine national security by impeding deep cuts in nuclear weapons and complicating important international relationships.

Learn more about limiting U.S. missile defense >

Strengthening U.S.-China Relations

Access to accurate information on Chinese political, military, and scientific activities is essential for improving U.S.-China relations, facilitating reductions in nuclear arsenals, and avoiding international conflict.

Learn more about strengthening US-China relations >

Enhancing Space Security

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

Learn more about enhancing space security >

Image: Flickr, Steven Depolo
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