Nuclear Deterrence, Proliferation, and Stability in the Middle East: The Debate Over an Iranian Nuclear Bomb

1. The Structural Realist Perspective (Kenneth N. Waltz)

  • Balance of Power and Regional Stability:

    • Regional Nuclear Monopoly: Israel has maintained an unchecked regional nuclear monopoly in the Middle East for over four decades. According to structural realism, concentrated military power naturally begs to be balanced.

    • Stabilizing Effect: An Iranian nuclear deterrent would restore regional balance and strategic equilibrium, reducing the likelihood of major interstate war.

    • Failure of Preventive Actions and Sanctions: Tactical preventive strikes (such as Operation Opera and Operation Orchard) only create long-term incentives for targeted states to acquire an ultimate deterrent. Furthermore, sovereign states driven by existential security concerns cannot be dissuaded by economic sanctions alone (e.g., North Korea).

  • Regime Rationality and Classic Deterrence:

    • Regime Preservation: Iran's leaders are rational, calculating actors whose primary objective is regime survival, not suicidal religious fanaticism.

    • Nuclear Deterrence Applies: Because Iran values self-preservation, it would not launch a suicidal first strike against Israel or provide nuclear weapons to proxy militants, as doing so would invite catastrophic retaliation and nuclear forensics would trace the origin of fissile materials.

    • Absence of Cascading Proliferation: Historical precedent shows that nuclear proliferation is slow and managed; Israel's nuclear breakthrough in the 1960s did not trigger a cascade among Arab neighbors, and nuclearized rivals (such as India and Pakistan) have maintained strategic peace without fighting total wars.

2. The Revisionist and Stability-Instability Paradox Perspective (Colin H. Kahl)

  • The Revisionist Agenda and Emboldened Proxies:

    • Anti-Status-Quo Power: Although Iran's leadership is rational and will not deliberately initiate a nuclear exchange, it is an inherently revisionist state driven by hard-line "principlist" factions seeking regional dominance and the leadership of the anti-Western "resistance."

    • The Stability-Instability Paradox: While strategic nuclear deterrence makes all-out war between nuclear-armed states improbable, it makes lower-level provocations, asymmetric warfare, and proxy clashes appear safe.

    • Increased Sub-Conventional Aggression: Operating beneath a nuclear shield, Tehran would likely escalate support for proxies (such as Hezbollah and Palestinian militants) by transferring advanced, longer-range, and dual-capable missile systems, expanding covert operations, and engaging in aggressive maritime posturing without fear of direct foreign military retaliation.

  • Crisis Volatility and Escalation Risks:

    • Inexperienced Nuclear Dynamics: Emerging nuclear states are historically crisis-prone (e.g., the early Cold War and Pakistan's sub-conventional adventurism during the 1999 Kargil War).

    • Risk of Inadvertent Escalation: The combination of compressed decision-making times, deep ideological hostility, geographic proximity, and the lack of crisis communication channels creates a severe risk that localized crises could accidentally escalate into a catastrophic nuclear conflict.

    • Policy Prescription: Because living with a nuclear Iran poses major security dangers, the United States and its allies must maintain coercive sanctions and active diplomacy to prevent Iran from crossing the nuclear threshold, rather than accommodating its nuclearization.


Iran allys, and where they are

map of Iran and neighbors

proxys and who they are?


Proxies are:

  • Hezbollah: A militant group based in Lebanon, supported by Iran, actively engaged in regional conflicts, particularly against Israel.

  • Iraqi Popular Mobilization Forces (PMF): A coalition of militia groups in Iraq, backed by Iran, that plays a significant role in the fight against ISIS and influences Iraqi politics.

  • Houthis: An insurgent group in Yemen, receiving support from Iran, involved in the ongoing civil conflict and challenging Saudi Arabian influence in the region.

  • Syrian Government Forces: Supported by Iran, these forces have been instrumental in maintaining the Assad regime during the Syrian civil war.

  • Hezbollah (Lebanon): A powerful Shia political party and militant group, and Iran's oldest and most heavily funded proxy since the early 1980s, active in cross-border strikes with Israel and regional operations.

  • Hamas (Palestinian Territories / Gaza): A Sunni Islamist militant and governing group in Gaza that receives substantial financial and military backing from Tehran.

  • Palestinian Islamic Jihad (PIJ) (Palestinian Territories): A closely aligned militant group in Gaza and the West Bank that relies heavily on Iranian funding, weaponry, and coordination.

  • Houthis / Ansar Allah (Yemen): A Zaydi Shia rebel movement backed by Iran with missiles, drones, and training, which targets international shipping in the Red Sea and regional adversaries.

  • dIraqi Shia Militias (Iraq): An umbrella of various militant factions (such as Kata'ib Hezbollah) operating under the Popular Mobilization Forces (PMF) that have targeted U.S. forces and regional actors.

  • Syrian and Bahraini Militant Groups (Syria and Bahrain): Various localized Shia and allied militias supported by the IRGC-QF to protect regional interests and project

Non state actors sponserd by Iran?

Iran sponsors their proxies




Lecture Oct 22: Nuclear proliferation:

Key concepts: WMD,


WMD: chemical and biological weapons - nuclear weapons in particular

Special because they are rarely used, but why do we care so much?

  • Used to justify military behavior

  • Potential for mass killing is high

  • Indiscriminate ( Target both military and civilians) ( the WMD affect both the military and the civilian) ( in direct conflict with some of the oldest international laws) ( that civilians are to be left out)

Proliferation:

  • horizontal or vertical

  • horizontal most talked about- which is states who don’t have weapons now do have it

  • Vertical - states who already have nuclear weapons and are producing more of it



DO WMD encourage peace, not war?

  • mutually assured destruction ( only works with defined territories)

— pro- actually leads to world peace with MAD.

— If both states have nuclear weapons, and the point of war is to gain something, then what is the benefit of both using them? Requires both states to have that WMD for this, and both have to have second-strike capability.


— con- the presence of WMD can also escalate tensions and lead to miscalculations in conflict scenarios, potentially resulting in war rather than deterring it. If a state perceives a threat from another nuclear power, it might feel compelled to strike first to avoid being attacked, undermining the stability that MAD aims to promote.

— why fear proliferation:

- security Dilemmas and preventive war: Timing, defense,

- terrorists/non-state actors/: the potential acquisition of nuclear materials by terrorists or non-state actors poses a significant risk, as these groups may not adhere to traditional norms of deterrence and could utilize such weapons without consideration for escalation.

- Cost of MAD: requires every state to maintain nuclear weapons.



— Alternatives to MAD

  • Nuclear umbrella: a security guarantee extended by a nuclear-armed state to protect its allies, thereby deterring adversaries from attacking those allies in the absence of their own nuclear capabilities. (Extended deterrence) (If it works, not every state has to have a nuclear umbrella but be under one) ( a type of alliance) ( credibility- would it risk its own citizens to protect other citizens under its ally state with nuclear weapons)

  • Non-proliferation treaty: 1970 3 components -

- non-proliferation

- disarmament

-peaceful uses


  • When signed the p5 who won WWII got special privileges and get to have nuclear weapons. This has raised significant concerns about equity and fairness in the international non-proliferation framework, as nations that were not part of the original agreement seek similar capabilities.


  • coercive disarmament:

  • economic disarmament: trying economically to get states to give up nuclear weapons. (sanctions - most effective if multilateral, difficult to enforce, hurts the target and sender)

  • Military: trying to forcibly get states to not have nuclear weapons. (Israel bombed a nuclear reactor)



  • sticks: give up nuclear ambitions in exchange for economic incentives, such as foreign aid or integration into international markets, to foster a cooperative environment.

  • carrots: impose strict punitive measures, including economic sanctions and military threats, aimed at coerced compliance or deterrence, thereby increasing the costs associated with pursuing nuclear capabilities. In this context, a balanced approach utilizing both carrots and sticks is essential for effective nuclear non-proliferation strategies, ensuring that nations are not only deterred from developing nuclear weapons but also encouraged to engage constructively within the international community.


Transition into civil wars: how does what we are talking about transition to what happens when rebel groups, etc gain access to nuclear materials? When rebel groups obtain such capabilities, the potential for catastrophic outcomes increases significantly, as these factions may not adhere to international norms or have the same deterrent motivations as state actors. This situation exacerbates regional instability and poses a direct threat to national and global security, necessitating urgent discussions on securing nuclear materials and preventing their proliferation to non-state actors.


civil wars:

key concepts: /