Nuclear Weapons

Advocacy for Disarmament and Nonproliferation

Charles Levy / National Archives

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With the end of the Cold War, many dared hope that the scourge of nuclear weapons would be ended once and for all. Yet, today, more than two decades later, the drive to build nuclear weapons by some governments continues, energized in no small part by the policies of the U.S. government.

Nuclear Calendar 

Read a weekly update of national and international events related to nuclear weapons and proliferation issues, which is emailed to more than 14,000 people each week.


  1. Legislative Ask Support Extension of the New START Nuclear Treaty with Russia 

    The 2010 New START Treaty between the U.S. and Russia limits each country to 700 deployed strategic-range nuclear delivery vehicles (intercontinental ballistic missiles, submarine-launched ballistic missiles, and heavy bombers) and 1,550 warheads on those delivery vehicles.

  2. Update In the Shadow of the Coronavirus, Fate of New START Remains Unclear 

    As the COVID-19 pandemic disrupts our lives and occupies the bulk of our attention, the status of a key pact—the New START nuclear arms control treaty between the United States and Russia—hangs in the air.

  3. Update Hearing Emphasizes Bipartisan Support for Extending New START 

    At a House Foreign Affairs Committee hearing on Dec. 4, a distinguished slate of national security experts delivered a strong message: The U.S. should extend the New START nuclear arms control treaty with Russia before it expires 14 months from now.

More on Nuclear Disarmament & Nonproliferation

Update What Does the Nuclear Weapons Ban Mean for the U.S.? 

October 24 is United Nations Day and a good time to remember that nuclear disarmament has always been at the heart of the United Nations mission.

Update 75 Years Later, It's Time to Call for the Total Elimination of Nuclear Weapons 

I am alive today because my grandmother grew up in Shiga, Japan instead of her mother’s home of Hiroshima. I am alive today because my grandfather happened to be away from his Nagasaki school visiting family in Kyoto on Aug. 9, 1945. My family—those who were not killed by the U.S. atomic bombings—collectively survived not one but two nuclear weapon attacks, the only ones in history.

Update 75 Years After Hiroshima, Congress Must Speak Plainly About the Suffering Wrought by Nuclear Weapons 

Fifty years after she survived the American nuclear attack on Nagasaki on Aug. 9, 1945, Sachiko Yasui recalled what happened when the bomb went off as she played with four other children in the road near her house:

Update The Senate Armed Services Committee Wants to Speed Up a Return to Nuclear Testing. That’s a Terrible Idea. 

Behind the closed doors of a secret Senate Armed Services Committee markup last week, Sen. Tom Cotton (AR) introduced an amendment, which passed on a party line vote, to provide funding to speed up a possible return to nuclear testing.

Press Release Abandoning the Open Skies Treaty Is a Mistake  

Washington, DC – The Friends Committee on National Legislation (FCNL) expressed disappointment in today’s Trump Administration announcement that it will withdraw from the long-standing, multilateral Treaty on Open Skies. Formal termination will be effective in six months.

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