All nuclear weapons resources
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Japan and Hair-Trigger Alert
Removing hair-trigger alert would be actively supported—not opposed—by Japanese leaders and the Japanese public.
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China’s Nuclear Weapons Strategy
China’s nuclear weapons serve a very limited role in Chinese security strategy.
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Close Calls with Nuclear Weapons
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.
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Leaders Urge Taking Weapons Off Hair-Trigger Alert
A surprising number of high-level politicians and generals have called for an end to hair-trigger alert.
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Frequently Asked Questions about Hair-Trigger Alert
Hair-trigger alert is a risky and outdated policy with serious implications for U.S. security.
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What Are Satellites Used For?
From television and telephones to safety and science, we use satellites every minute of every day.
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Excess Plutonium Disposition
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.
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Progress on Nuclear Arms Control
Leaders have cut nuclear arsenals to levels not seen since the 1950s—but more remains to be done.
Explainer

What is Hair-Trigger Alert?
Hundreds of US nuclear warheads are kept ready to launch within minutes—making us less safe, not safer.
Explainer

Space Security
Smart planning and thoughtful safeguarding—not weaponization—will protect US interests in space.
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China's ASAT Program
Learn about China's ASAT program, including a translation from a 2003 Chinese military textbook that outlines China's missile and space strategies.
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Workshop on U.S. Nuclear Weapons Safety and Security
Policy recommendations from experts on nuclear weapons safety and security.