The Treaty on the Non-Proliferation of Nuclear Weapons (also known as the Nuclear Non-Proliferation Treaty, or NPT) is an international agreement designed to prevent the spread of nuclear weapons, promote cooperation between states on peaceful uses of nuclear energy, and advance nuclear disarmament. The NPT was opened for signature on July 1, 1968, and the […]
Fact Sheet: The Comprehensive Test Ban Treaty (CTBT)
Updated January 2025 The Comprehensive Test Ban Treaty (CTBT) is a multilateral agreement that prohibits the explosive testing of nuclear weapons. The CTBT opened for signatures on September 24, 1996, but the agreement is still in the ratification stage. The United States has signed, but has not yet ratified the treaty. The United States conducted […]
National Advisory Board Member General Robert Gard’s Letter to the Washington Post
Read the LTE here. The March 23 editorial “Give North Korea the Iran treatment” continued the general practice of claiming that North Korea failed to fulfill its commitments, when it was the United States that failed to do so in the two most promising negotiations to stop the North Korean nuclear weapons program. Read the […]
Senior Science Fellow Philip Coyle and Policy Analyst James McKeon’s op-ed in POLITICO
Read the full piece here. It’s been called the most dangerous nuclear weapon in America’s arsenal. Not the biggest – that distinction goes to the 1.2-megaton B83 bomb – but a weapon whose precision makes it the most likely to be used in an actual war. It’s called the B61 gravity bomb, built to be […]
Fact Sheet: Understanding the Iran Deal
A two-page analysis with everything you need to know about the elements of the final Iran deal.
