P5+1 and Iran Meet Amid Uncertainty Over the Nuclear Deal’s Future Members of the P5+1 (China, France, Germany, Russia, the United Kingdom and the United States) and Iran met last week in Vienna for a quarterly meeting of the Joint Commission, the body set up by the nuclear deal to assess its implementation. This was the first full meeting of the Joint Commission since U.S. President Donald Trump threatened in January to pull out of the deal in May unless Congress and the E3 (France, Germany, and the United Kingdom) worked with his administration to address what he terms as “flaws” in the...

Past U.S. efforts to develop and deploy a space-based missile defense have known many names, including "Strategic Defense Initiative,” “Brilliant Pebbles,” and “Global Protection Against Limited Strikes.” And all have suffered the same fate: cancellation due to insurmountable financial, technical, and strategic obstacles. But like a zombie that can’t be killed, the idea keeps coming back. Senator Ted Cruz wrote a letter Feb. 22 calling for a space-based capability to intercept ballistic missiles (SBI) in “boost phase,” when a missile is “traveling its slowest, emitting its clearest heat...

In a March 1 pre-election speech to the Federal Assembly, Russian President Vladimir Putin boasted about Russia’s pursuit of several nuclear weapons systems, some that have already been tested as well as some new capabilities: Putin cited the “Sarmat’ heavy intercontinental missile, which can carry nuclear and hypersonic munitions, which has been undergoing developmental testing. Putin said Russia is developing a type of cruise missile with nuclear propulsion that has an unlimited range that “is invincible against all existing and prospective missile defense and counter-air defense systems.”...

Since Donald Trump became president, many of us in the disarmament community have warned about Trump’s desire to use nuclear weapons. We have witnessed Trump threaten the destruction of North Korea, express a desire to resume nuclear testing, and recommend other countries develop their own nuclear arsenals. The fear of Trump starting a nuclear war only got worse with the release of his new security strategy, Nuclear Posture Review, and budget in which the administration called for more money to be spent on nuclear weapons, while the U.S. “ broaden its use of nuclear weapons ” to include using...

P5+1, Congress Respond to Trump’s Demands to Change the Iran Nuclear Deal Officials from the United States and the E3 (France, Germany, and the United Kingdom) gathered Jan. 25 in London for a working group meeting to discuss the multilateral nuclear deal with Iran, known as the Joint Comprehensive Plan of Action (JCPOA), and Iran’s ballistic missile program. The meeting came after U.S. President Donald Trump renewed sanctions waivers required to keep the United States in compliance with the accord Jan. 12, but threatened to withhold the next round of waivers, due May 12, if Congress and...

On Friday, Feb. 2, the Trump administration officially unveiled its Nuclear Posture Review (NPR) . Huffington Post leaked an earlier version of the document on Jan. 11. The Arms Control Association team reviewed both versions of the NPR and marked up a copy of the final NPR with all changes from the leaked version. (See our annotated version here .)* The final Feb. 2 document includes revised language and new charts on Russian nuclear doctrine, as well as new language on the proposed submarine-launched cruise missile (SLCM) and the Intermediate-Range Nuclear Forces (INF) Treaty. It also...

On February 6, 1968, Dr. Martin Luther King, Jr., stepped up to the pulpit to warn against the use of nuclear weapons. Addressing the second mobilization of the Clergy and Laymen Concerned About Vietnam, King urged an end to the war, and warned that if the United States used nuclear weapons in Vietnam the earth would be transformed into an inferno that "even the mind of Dante could not envision." Then, as he had done so many times before, King made clear the connection between the black freedom struggle in America and the need for nuclear disarmament: These two issues are tied together in...

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Tillerson, Mogherini Meet Ahead of Key JCPOA Deadlines EU foreign policy chief Federica Mogherini reiterated to U.S. Secretary of State Rex Tillerson that the EU would work with the United States to address shared issues related to Iran, “on the basis of continued U.S. implementation of the nuclear deal” and outside of the agreement itself. Mogherini and Tillerson discussed the nuclear deal between Iran and the P5+1 (China, France, Germany, Russia, the United Kingdom and the United States) during a Dec. 5 bilateral meeting in Brussels. Mogherini reaffirmed the EU’s position that continued...

(Updated from original version published July 6, 2017) One of the catalytic forces behind the pursuit and conclusion of the new Treaty on the Prohibition of Nuclear Weapons in recent years has been the voices of the hibakusha, the survivors of the atomic bombings of the cities of Hiroshima and Nagasaki, as well as the people across the globe who have been adversely affected by more than seven decades of nuclear weapons production and testing. The preamble of the new prohibition treaty, which was opened for signature at UN headquarters in New York on September 20, notes “the unacceptable...