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1. Constraining Iran’s Nuclear Potential in the Absence of the JCPOA

Author:
Kelsey Davenport
Publication Date:
07-2024
Content Type:
Working Paper
Institution:
Arms Control Association
Abstract:
Since 2019, Iran has significantly expanded its sensitive nuclear activities, which has irreversibly altered the pathways available to Iran if the decision were made to develop nuclear weapons. The proliferation risk posed by Iran’s nuclear advances is amplified by the monitoring gaps that Tehran created by reducing IAEA access and monitoring. Iranian officials have long denied any interest in nuclear weapons but there are new signs that Iran may rethink the prohibition on nuclear weapons if security conditions change. Iran’s technical expertise cannot be reversed, and its nuclear infrastructure is less vulnerable to attack. As a result, military strikes against Iran would set back the program, but only temporarily, and risk driving Tehran to develop nuclear weapons. Tehran has signaled its willingness to de-escalate tensions, including on its nuclear program. Leaders in Washington should seize this opportunity to incentivize Tehran to take steps that increase monitoring of its nuclear program and reduce proliferation risk. The experience of the 2015 nuclear deal demonstrated the limitations of transactional bargaining. The regional nuclear environment also has shifted since 2015 and there is an increased risk that additional states will seek to match Iran’s capabilities. The United States should be thinking now about alternative frameworks for negotiating a longer-term nuclear deal, or series of deals, that take into account Iran’s nuclear advances and mitigate regional proliferation risks.
Topic:
Arms Control and Proliferation, Nuclear Weapons, Nuclear Power, JCPOA, and Monitoring
Political Geography:
Iran and Middle East

2. Breaking Down Iran’s Breakout Capacity

Author:
Greg Thielmann
Publication Date:
09-2014
Content Type:
Policy Brief
Institution:
Arms Control Association
Abstract:
As efforts intensify to bring the Iran nuclear negotiations to a successful conclusion by November 24, the issue of breakout continues to occupy center stage. Setting limits on Iran’s nuclear program to dissuade the leaders in Tehran from breaking out of the nuclear Nonproliferation Treaty and possibly building nuclear weapons is a central objective of the P5+1 powers (China, France, Germany, Russia, the United Kingdom, and the United States). Consideration of the effect of agreed limits on the time it would take Iran to build nuclear weapons is, therefore, a necessary step in formulating the P5+1 negotiating position, but is not sufficient for navigating the appropriate course toward a comprehensive agreement. Relying on the narrow definition of the term “breakout”—obtaining enough weapons-grade uranium gas for one bomb—does not fully capture the path that would have to be traveled. It is also necessary to consider “effective breakout”—the time needed to build a credible nuclear arsenal—in order to ensure that the proper balance between verification and limitations can be achieved.
Topic:
Arms Control and Proliferation, Nuclear Weapons, and Treaties and Agreements
Political Geography:
Iran and Middle East

3. A Win-Win Formula for Defining Iran's Uranium-Enrichment Capacity

Author:
Kelsey Davenport and Daryl G. Kimball
Publication Date:
08-2014
Content Type:
Policy Brief
Institution:
Arms Control Association
Abstract:
As negotiators prepare to resume talks over Iran's nuclear program, they face a formidable task: to bridge the remaining gaps and reach a comprehensive nuclear deal by November 24. Perhaps the most difficult issue Iran and the P5+1 (China, France, Germany, Russia, the United Kingdom and the United States) must resolve is how to define the size and scope of Iran's uranium enrichment program. To achieve a win-win outcome the two sides must develop a creative, technically sound formula that increases the time it would take for Iran to enrich uranium to weapons grade, while still providing Tehran with a modest program that allows domestic production of enriched uranium to contribute to fueling future civilian reactors and allows research and development to advance centrifuge technology. In collaboration with the International Crisis Group, the Arms Control Association has developed a proposal to define Iran's uranium enrichment program in a manner that meets the fundamental concerns of both Tehran and the P5+1. The proposal is the product of feedback from a number of technical and political experts. While this may not be "the solution" to the enrichment puzzle, the proposal offers constructive options for the negotiators to consider.
Topic:
Arms Control and Proliferation, Nuclear Weapons, and Uranium
Political Geography:
Iran and Middle East

4. Iran Nuclear Brief: Iranian Missiles and the Comprehensive Nuclear Deal

Author:
Greg Thielmann
Publication Date:
05-2014
Content Type:
Policy Brief
Institution:
Arms Control Association
Abstract:
The international community has been acutely concerned for many years about Iran's increasing capacity to produce material for nuclear weapons. With sufficient fissile material and a warhead design, Iran could use its existing ballistic missiles to pose a credible nuclear threat throughout the region. Consequently, after repeatedly directing Iran to suspend uranium enrichment, the UN Security Council decided in 2010 that Iran also had to halt all activities related to ballistic missiles capable of delivering nuclear weapons. Now that serious negotiations are under way to curtail Iran's ability to dash for a bomb, seeking ballistic missile limits as part of a comprehensive nuclear deal would be unwise. Getting adequate and verifiable constraints on Iran's nuclear program remains the highest priority. The best way to address Iran's potential to exploit nuclear-capable missiles is to ensure that Iran's nuclear program is sufficiently limited and transparent. To also demand severe limits on conventional weapons that Iran regards as vital to its self-defense would jeopardize the negotiations' key objective.
Topic:
Arms Control and Proliferation, Nuclear Weapons, and Treaties and Agreements
Political Geography:
Iran and Middle East

5. Iran's Nuclear and Missile Programs as P5+1 Talks Resume

Author:
Greg Thielmann and Kelsey Davenport
Publication Date:
09-2013
Content Type:
Policy Brief
Institution:
Arms Control Association
Abstract:
As negotiations are poised to resume between Iran and the six powers seeking to rein in Iran's nuclear program, it is difficult to avoid a sense of déjà vu. For years now, the UN Security Council has demanded Iran suspend uranium enrichment. Tehran continues to expand its nuclear program and insists it will never compromise its right to enrich, the United States continues to tighten sanctions on Iranian trade and finances, and alarms are raised about Iran being able to sprint to a nuclear bomb with little warning. Yet, with a new Iranian president and negotiating team, there are grounds for cautious optimism that talks this time can be different. Although Iran continues to enrich uranium and add to its nuclear complex, time remains to negotiate an agreement that adequately guards against Iran building nuclear weapons.
Topic:
Arms Control and Proliferation, Nuclear Weapons, Treaties and Agreements, Nonproliferation, and Negotiation
Political Geography:
Iran and Middle East

6. Lessons for Handling Iran From the Sad Saga of Iraq

Author:
Greg Thielmann and Alexandra Schmitt
Publication Date:
03-2013
Content Type:
Policy Brief
Institution:
Arms Control Association
Abstract:
Ten years ago today, President George W. Bush said in a radio address to the nation: "It is clear that Saddam Hussein is still violating the demands of the United Nations by refusing to disarm." Eleven days later, he announced the invasion of Iraq to remove the weapons of mass destruction (WMD) allegedly possessed by Hussein's brutal regime and to prevent their use by or transfer to terrorist networks such as al Qaeda. That no such weapons existed was less a symptom of flawed intelligence than the U.S. leaders' obsession with achieving regime change in Baghdad and their consequent willingness to distort evidence on WMD toward that end. This distortion, along with failures by the press and Congress to exercise due diligence in evaluating the assertions of the executive branch, blinded the public to contravening information on Iraqi WMD that was readily available during the six weeks preceding the attack. Ironically, the most important sources of this ignored information were the very inspectors that the international community had forced Iraq to readmit the previous fall. There are lessons here for current efforts to prevent Iran from acquiring nuclear weapons.
Topic:
Arms Control and Proliferation, Weapons of Mass Destruction, History, and Iraq War
Political Geography:
Iraq, Iran, and Middle East

7. Iran's Missile Program and Its Implications for U.S. Missile Defense

Author:
Greg Thielmann
Publication Date:
02-2013
Content Type:
Policy Brief
Institution:
Arms Control Association
Abstract:
Although plans for expanding U.S. strategic missile defenses focus on the Iranian ICBM threat, that threat is not emerging as was previously predicted. Iran conducted no long-range ballistic missile tests in 2012 and has not flown even the larger space launch vehicle that it displayed two years ago, which could have helped advance ICBM technology. Moreover, Tehran has still not decided to build nuclear weapons and continues to focus on short- and medium-range rather than longer-range ballistic missiles. It is, therefore, time to adapt U.S. missile defense plans accordingly by suspending the fourth phase of the European Phased Adaptive Approach. Doing so would remove an obstacle to negotiating further reductions in the strategic forces of Russia - the only country that poses an unambiguous existential threat to the United States.
Topic:
Defense Policy, Arms Control and Proliferation, Missile Defense, and ICBM
Political Geography:
Iran, Middle East, North America, and United States of America

8. Diplomatic Engagement: The Path to Avoiding War and Resolving the Nuclear Crisis

Author:
Greg Thielmann and Benjamin Seel
Publication Date:
01-2012
Content Type:
Policy Brief
Institution:
Arms Control Association
Abstract:
U.S.-Iranian relations are bad and getting worse. The New Year has opened with rising tensions between the United States and Iran and an increased prospect of war—either intentional or accidental. The Nov. 2011 report of the International Atomic Energy Agency details why the international community remains deeply concerned about Tehran’s nuclear ambitions. While sanctions and other measures have slowed down Iran’s movement toward acquiring a nuclear weapons option, Tehran continues to improve its nuclear capabilities and has so far refused to implement the confidence-building steps necessary to ensure it is not pursuing nuclear weapons. The latest round of U.S. unilateral sanctions has been met with Iranian threats of closing the Straits of Hormuz through which 35% of the world’s seaborne oil passes. Iran reinforced those threats with ten days of military exercises in nearby waters that included launches of anti-ship missiles. These and other developments highlight how relatively minor incidents could quickly escalate into a major military conflict. At the same time, Iran proposed on December 31 a new round of talks with the P5+1 group of nations, suggesting that that diplomatic options to resolve the nuclear concerns about its nuclear activities have not been exhausted. In the following Iran Nuclear Brief, ACA Senior Fellow Greg Thielmann argues that in order to avoid unintentional conflict with Iran, there is an urgent need to establish better lines of bilateral communication at all levels—between military forces in the region, between diplomats, and between senior officials. Thielmann also explains why pragmatic diplomatic engagement is essential to a successful strategy to prevent a nuclear-armed Iran.
Topic:
Arms Control and Proliferation, Diplomacy, Nuclear Weapons, Sanctions, and Engagement
Political Geography:
Iran, Middle East, North America, and United States of America

9. Charting a Diplomatic Path On the Iran Nuclear Challenge

Author:
Peter Grail
Publication Date:
01-2012
Content Type:
Policy Brief
Institution:
Arms Control Association
Abstract:
Even as tensions over Iran’s nuclear program rise, the principal parties engaged in the issue say that they seek a peaceful resolution through diplomacy. Earlier this month, Iranian nuclear negotiator Saeed Jalili reportedly sent a letter to European Union High Representative Catherine Ashton—who represents the P5+1 (China, France, Germany, Russia, the United Kingdom, and the United States)—in response to the six-country offer for the renewal of serious talks on Iran’s nuclear program. With the P5+1 insisting that a diplomatic path to resolve the issue remains open and Tehran’s professed interest in dialogue, the question arises: what steps could the two sides take to resolve the impasse? In her letter to Jalili last October calling for renewed negotiations, Ashton said the process would need to begin with confidence-building measures to facilitate longer-term engagement. Given the current trust deficit and the inability of the fractured Iranian political leadership to agree on whether and how to engage on the nuclear issue, an approach that builds upon short-term arrangements makes sense. But it will also be necessary to have some idea of what the end-goal of such engagement might be. In this respect, Ashton said in her letter that the goal of the six countries is “a comprehensive negotiated, long-term solution which restores international confidence in the exclusively peaceful nature of Iran’s nuclear programme,” reaffirming the group’s commitment to proposals it put forward 2006 and 2008. This brief provides an overview of these proposals and related confidence-building steps and discusses how they address the critical issue of Iran’s enrichment program.
Topic:
Arms Control and Proliferation, Diplomacy, Nuclear Weapons, European Union, Dialogue, and P5+1
Political Geography:
Iran and Middle East

10. The Breakout Option: Raising the Bar for the Supreme Leader

Author:
Greg Thielmann
Publication Date:
04-2012
Content Type:
Policy Brief
Institution:
Arms Control Association
Abstract:
The U.S. intelligence community still assesses that Tehran has not yet actually decided to build a nuclear weapon. Iranian Supreme Leader Ayatollah Ali Khamenei would be the one to give that order and the one who would control the weapons. It is therefore worth pondering what steps could discourage him from proceeding down the nuclear weapons path. If Khamenei's foremost goals are the survival of the Islamic Republic with himself as supreme leader, developing nuclear capabilities may be seen an asset, even with the damaging sanctions that result. By positioning himself as a defiant defender of Iranian nuclear progress against foreign bullying, he can reinforce the domestic legitimacy of the clerical regime. If he came to believe that Iran could forestall continuing economic punishment and eventual military attack only by abject capitulation, he might decide that breaking out of the nuclear Nonproliferation Treaty to build a bomb would be the preferred path for restoring Iran's international position and securing the Islamic revolution. The challenge for the United States is to devise policies that would make it as difficult as possible for Khamenei to retain domestic support and international sympathy if he were to go for a bomb.
Topic:
Arms Control and Proliferation, Intelligence, Nuclear Weapons, and History
Political Geography:
Iran and Middle East