Iran Nuclear Program & Military Power Profile
Iran nuclear program status, military capabilities, and power ranking. Iran does not possess nuclear weapons but has advanced enrichment capabilities and is considered a nuclear-threshold state.
Iran does not possess nuclear weapons but is considered a nuclear-threshold state โ a country with the technical capability to produce nuclear weapons in a short timeframe. Iran has enriched uranium to 60% purity (weapons-grade is 90%) and possesses advanced centrifuge technology. Iran's nuclear program, combined with its ballistic missile arsenal and role in the current Middle East crisis, makes it one of the most critical factors in global nuclear risk assessment.
Nuclear Program Status
| Category | Status | |---|---| | Nuclear warheads | 0 | | Uranium enrichment | Up to 60% (near weapons-grade) | | Breakout time | Estimated 1โ2 weeks for one weapon's worth of HEU | | Enrichment facilities | Natanz, Fordow (underground) | | Research reactors | Tehran, Isfahan, Arak (heavy water, modified) | | NPT status | Member (IAEA safeguards) |
Iran's nuclear breakout time โ the time needed to produce enough highly enriched uranium (HEU) for one weapon โ has been estimated at as little as one to two weeks by US intelligence assessments. However, weaponization (designing and building a deliverable warhead) would require additional months.
Ballistic Missile Arsenal
While Iran has no nuclear warheads, it possesses the largest ballistic missile arsenal in the Middle East:
- Kheibar Shekan: Range ~2,000 km, solid-fueled, most advanced medium-range missile
- Emad: Range ~1,700 km, liquid-fueled, first guided reentry vehicle
- Sejjil: Range ~2,000 km, solid-fueled two-stage missile
- Shahab-3: Range ~1,300 km, liquid-fueled (based on North Korean Nodong)
- Fattah: Claimed hypersonic capability, range ~1,400 km
- Ghadr-110: Range ~1,950 km, improved Shahab-3 variant
Iran also operates hundreds of shorter-range missiles and has demonstrated the ability to launch precision strikes, as seen in attacks on US bases and Israeli targets during the current conflict.
Military Overview
| Metric | Value | |---|---| | GFP Rank | #17 of 145 | | GFP Score | 0.4191 | | Active military | 610,000 | | IRGC personnel | ~190,000 | | Military budget | ~$10 billion |
Iran's military is divided between the conventional Armed Forces (Artesh) and the Islamic Revolutionary Guard Corps (IRGC), which controls the missile program, nuclear-related activities, and proxy forces. Iran also operates an extensive network of allied militias across the region (Hezbollah, Houthis, Iraqi PMF, and others).
Role in Current Nuclear Risk
Iran is at the center of the current nuclear crisis and is the primary driver of NukeClock's escalation:
- Active conflict: Iran is engaged in direct military conflict with both Israel and the United States. Iranian retaliatory strikes against US bases in the Persian Gulf and continued exchanges with Israel represent the most dangerous Middle East escalation in decades.
- Nuclear threshold: The destruction of Iranian nuclear facilities by US and Israeli strikes, combined with the killing of Supreme Leader Khamenei, has created unprecedented uncertainty about Iran's nuclear decision-making.
- Breakout risk: Despite facility damage, Iran retains nuclear knowledge, dispersed enrichment capabilities, and sufficient technical expertise that the risk of a clandestine nuclear weapons program remains.
- Regional escalation: Iran's proxy network creates multiple escalation pathways. Attacks by Hezbollah, Houthis, and Iraq-based militias on US and Israeli targets widen the conflict geography.
- Diplomatic collapse: The JCPOA (Iran nuclear deal) collapsed in 2018 when the US withdrew. No diplomatic framework currently exists to constrain Iran's nuclear activities.
Related Articles

Geneva Nuclear Negotiations Collapse After US Demands Complete Enrichment Halt
Geneva nuclear negotiations between the US and Iran collapsed on February 27, 2026, after the US demanded a complete halt to uranium enrichment โ a condition Iran rejected. The diplomatic failure preceded Operation Epic Fury by less than 24 hours.

IAEA Unable to Access Iranian Nuclear Facilities After US-Israeli Strikes
IAEA inspectors have been unable to access Iranian nuclear facilities since Operation Epic Fury began, leaving the status of Iran's enriched uranium stockpile unknown and raising urgent nonproliferation concerns.

Iran Closes Strait of Hormuz: 20% of Global Oil Supply Disrupted
Iran has formally closed the Strait of Hormuz to commercial shipping following retaliatory strikes on US bases, disrupting approximately 20% of the world's oil supply and triggering a global energy crisis.

Iran Crisis 2026 vs 2019 Tensions: What's Different This Time
Iran crisis 2026 vs 2019 โ how the Soleimani assassination compares to the Khamenei killing, why Iran's restraint in 2020 became full retaliation in 2026, and what changed in the Strait of Hormuz, proxy networks, and nuclear program.

Is This Like the Cuban Missile Crisis? Comparing 1962 and 2026
Is the 2026 Iran crisis like the Cuban Missile Crisis? A detailed comparison of the two closest approaches to nuclear conflict โ the 1962 US-Soviet standoff over Cuba and the 2026 US-Iran war โ across Doomsday Clock position, nuclear proximity, leadership, and de-escalation pathways.

Critical Infrastructure Targeted in Coordinated Cyber Campaign Before Iran Strikes
A coordinated cyber campaign attributed to Iranian state actors targeted critical infrastructure across the US and allied nations on February 26, 2026 โ two days before Operation Epic Fury launched โ marking a new front in the escalating conflict.

Regional Proxy Conflict Escalates as Iran's Network Activates Across the Middle East
Iran's proxy network โ Hezbollah, Houthis, and Iraqi Shia militias โ has escalated operations across Lebanon, Yemen, Iraq, and the Red Sea as the US-Iran conflict intensifies, raising the risk of a multi-front regional war.

Iran Launches Retaliatory Strikes on US Bases Across the Persian Gulf
The IRGC fired over 170 ballistic missiles and 500+ drones at American military installations in Kuwait, Bahrain, Qatar, and five other countries โ marking the most significant direct attack on US forces since World War II.

Iran Confirms Supreme Leader Khamenei Killed in US-Israeli Strikes
Ayatollah Ali Khamenei was killed in a coordinated US-Israeli airstrike on Tehran on February 28, 2026 โ the first targeted killing of a sitting head of state in modern warfare. NukeClock moves 15 seconds closer to midnight.

Iran vs Israel Military Power: A Complete 2026 Comparison
Iran vs Israel military power compared across every dimension โ personnel, airpower, missiles, defense spending, and nuclear risk. See how these two Middle East rivals stack up in 2026.

Iran War vs Iraq War: How the 2026 and 2003 Conflicts Compare
Iran war vs Iraq war โ a detailed comparison of the 2026 US-Iran conflict and the 2003 Iraq invasion across authorization, coalition size, objectives, force structure, economic impact, and nuclear risk.

Nuclear Threat Assessment: Where the Iran Crisis Goes From Here
With Iran's leadership decapitated, nuclear facilities damaged, and US forces engaged across the Gulf, NukeClock analysts examine the three most likely escalation scenarios and what each means for the global nuclear threat level.

Trump Promises More Strikes on Iran as U.S. Adds to Forces in Mideast
President Trump has vowed to continue Operation Epic Fury against Iran, promising heavier strikes ahead as the Pentagon confirms ~50,000 troops and two carrier strike groups now in theater. Six U.S. service members have been killed and 18 seriously wounded on Day 3 of the conflict.

US-Israeli Strikes Hit Nuclear Facilities at Fordow, Isfahan, and Natanz
Coordinated US-Israeli airstrikes during Operation Epic Fury targeted Iran's three primary nuclear facilities at Fordow, Isfahan, and Natanz. The full extent of damage to Iran's enrichment infrastructure remains unknown.

US Deploys 50,000 Troops to Middle East as Operation Epic Fury Escalates
The Pentagon confirms a massive military buildup across the Persian Gulf region as President Trump pledges continued strikes against Iran. Two carrier strike groups, 120+ aircraft, and advanced missile systems now in theater.

who started the iran israel war: timeline, evidence, and what the sources show
who started the iran israel war is answered with a source-based timeline: Israel launched the first June 13, 2025 strikes inside Iran, followed by Iranian retaliation and a wider US-Iran escalation track.