Nuclear program sits at the center of this dementia and brain health question.

Destroying a nuclear weapons program through bombing is far more difficult than political rhetoric suggests, despite decades of military advancement and multiple historical attempts. The core problem is simple: most uranium enrichment and weapons development infrastructure is buried deep underground in heavily hardened facilities, using weapons that exist in severely limited quantities and require near-perfect execution to disable. Even when strikes succeed in damaging above-ground structures, they consistently fail to destroy the centrifuges, equipment, and technical expertise that countries can repair or reconstruct within months.

When the United States and allies struck three Iranian nuclear facilities in June 2025 as part of Operation Midnight Hammer—dropping 14 bunker-buster bombs and Tomahawk missiles—the initial assessment revealed a stark reality: the strikes damaged entrance structures but did not destroy the underground centrifuges required for weapons-grade uranium production. By September 2025, Iran had already resumed construction work underground at the facility the U.S. had attacked. This article explores why technical limitations, rebuilding capacity, and distributed infrastructure make nuclear program elimination a prolonged campaign rather than a quick military solution.

Why Underground Hardening Makes Nuclear Facilities Nearly Impenetrable
The Proven Gap Between Political Claims and Military Reality
What Recent Military Strikes Actually Achieved and Failed to Achieve
Why Distributed Infrastructure and Survivor Capacity Enable Rapid Reconstitution
Lessons from Past Nuclear Strikes: Unintended Strategic Consequences
The Escalation Risk That Politicians Rarely Mention
The Reality: Prevention Requires More Than Military Power
Conclusion

Why Underground Hardening Makes Nuclear Facilities Nearly Impenetrable

iran‘s Fordo uranium enrichment facility, built 80 to 90 meters (260 to 300 feet) underground inside a mountain with multiple layers of concrete reinforcement, exemplifies the extreme hardening that modern nuclear states employ. At that depth and density, only one weapon system in the world—the U.S. Massive Ordnance Penetrator (MOP), a 30,000-pound bunker buster—has any realistic chance of penetrating to destroy equipment inside. Even then, the penetration and destruction are not guaranteed; the MOP is designed to create a path through hardened layers, but the actual destruction of centrifuges and machinery at the facility’s deepest levels remains uncertain.

Point defense surface-to-air missiles (SAMs) stationed at each facility multiply the problem dramatically. Each target requires multiple weapon deliveries just to overcome the air defenses protecting it—meaning that even the most advanced militaries face a cumulative burden that stretches logistical capacity and increases the risk of losses. A single facility defended by modern air defense systems is not a one-hit problem; it demands sustained, multi-wave strikes that attract political risk and invite escalation. Only the United States possesses both the MOP bunker busters and the B-2 Spirit stealth bombers capable of delivering them reliably through defended airspace. No other nation has developed this capability, which explains why military options for other countries are even more constrained and why political leaders often overstate what bombing can realistically accomplish.

Why Underground Hardening Makes Nuclear Facilities Nearly Impenetrable

The Proven Gap Between Political Claims and Military Reality

Politicians routinely assert that bombing will “destroy” or “eliminate” nuclear programs, but the 2025 Operation Midnight Hammer strikes revealed how elastic those terms have become. U.S. military analysis concluded that the June strikes had not destroyed Iran’s program but had merely delayed it by a few months. The distinction matters: a delay is not an elimination.

Months of delay, while strategically valuable in some contexts, allow time for reconstruction planning and do not address the fundamental problem that uranium enrichment requires centrifuges and trained personnel—both of which survive underground and can be relocated or rebuilt. However, if a nation lacks the technical capacity or political will to rebuild, then a military strike could produce longer-lasting effects. The practical difference depends entirely on the adversary’s resources and determination. Iran has demonstrated both, including a deep bench of trained nuclear scientists, extensive domestic supply chains, and a sustained political commitment to its program despite decades of sanctions. Striking such an adversary produces delay, not prevention.

What Recent Military Strikes Actually Achieved and Failed to Achieve

Operation Midnight Hammer struck Fordo, Natanz, and Isfahan—Iran’s three primary nuclear facilities—with 14 bunker-buster bombs and Tomahawk cruise missiles in June 2025. The strikes damaged above-ground structures, sealed some entrances, and disrupted operations temporarily. Yet the underground centrifuges—the machinery that actually produces weapons-grade uranium—remained intact and functional.

Within three months, satellite imagery showed Iran resuming construction work underground near the struck Natanz facility, signaling that the program had not been interrupted in any meaningful, lasting way. This pattern reveals why military strikes against deeply hardened nuclear facilities produce a tactical illusion: visible explosions and damaged buildings look like success in real-time footage, but the actual destruction of the equipment that matters—centrifuges buried 300 feet underground—did not occur. The gap between visible damage and actual disarmament is the central challenge that military planners and politicians alike consistently underestimate.

What Recent Military Strikes Actually Achieved and Failed to Achieve

Why Distributed Infrastructure and Survivor Capacity Enable Rapid Reconstitution

Iran’s nuclear program is not concentrated in three facilities; it is distributed across a broad infrastructure including uranium mines, conversion plants, enrichment sites, weaponization research locations, and training institutions. Destroying one facility, even catastrophically, leaves the broader network intact. Additionally, experience from other industrial strikes shows that equipment pulled from bombed sites can often be repaired or cannibalized and returned to service, extending the utility of what survives.

The personnel dimension is equally important. Iran has trained multiple generations of nuclear scientists, engineers, and technicians—knowledge that cannot be bombed away. Even if every facility were destroyed simultaneously (which is logistically impossible), the country would retain the technical expertise to restart its program. This is why the Washington Institute concluded that eliminating Iran’s nuclear ambitions requires not a single military campaign but “the opening round of a prolonged campaign” involving continuous military pressure, inspections, and sustained allied commitment.

Lessons from Past Nuclear Strikes: Unintended Strategic Consequences

Israel’s 1981 Operation Opera strike on Iraq’s Osirak reactor is the most instructive historical precedent. The bombing damaged the facility, but it backfired strategically: Saddam Hussein interpreted the strike as evidence that the international community would use military force to prevent Iraq from acquiring nuclear weapons, which paradoxically motivated him to develop a far more determined and personally focused nuclear program, placed under his direct control and moved to secret locations.

The strike accelerated proliferation rather than preventing it. Israel’s 2007 Operation Orchard against a suspected Syrian nuclear reactor in Deir ez-Zor highlights a different problem: effective concealment of nuclear infrastructure means that striking parties may not even know the full scope of what they are targeting. If a nuclear program is sufficiently hidden, bombing campaigns risk destroying the wrong facilities or missing critical components entirely, while propaganda value and political signaling may matter more than actual military effect.

Lessons from Past Nuclear Strikes: Unintended Strategic Consequences

The Escalation Risk That Politicians Rarely Mention

Military strikes on nuclear facilities inherently risk escalation because they represent an existential threat to the targeted state. Iran, Israel, Russia, and China all possess ballistic missiles, regional allies, and asymmetric response options—meaning that a nuclear strike campaign invites retaliation in forms that extend far beyond the nuclear facilities themselves.

Politicians who claim bombing will “solve the problem” typically do not address what comes next if the targeted state responds militarily, attacks shipping lanes, or supplies proxies with advanced weaponry. This escalation dimension transforms a narrow military problem (destroying centrifuges) into a geopolitical crisis with potentially wider consequences that no purely military solution can control.

The Reality: Prevention Requires More Than Military Power

The hard truth is that modern military power, even with advanced bunker busters and stealth platforms, cannot reliably eliminate nuclear programs. It can delay them, damage facilities, degrade equipment, and impose costs—but it cannot prevent reconstitution if the targeted state retains technical capacity, political will, and sufficient international support or indifference to reconstruction efforts.

This is why decades of international nuclear non-proliferation efforts have relied primarily on inspections, diplomatic pressure, sanctions, and treaty commitments rather than on the assumption that bombs alone will solve proliferation problems. As Iran continues underground expansion and reconstruction following the 2025 strikes, the question facing policymakers is not whether bombing can eliminate nuclear programs—the evidence suggests it cannot, at least not sustainably—but rather what combination of military, diplomatic, economic, and intelligence measures might actually achieve non-proliferation goals.

Conclusion

Politicians frequently overstate what military force can accomplish against nuclear weapons programs because the visible results of bombing—craters, damaged buildings, explosion footage—create an impression of success that actual weapons destruction does not support. Iran’s June 2025 strike response and rapid reconstruction demonstrate that deeply hardened, distributed, and technically sophisticated nuclear programs cannot be eliminated by military force alone, no matter how advanced the weapons. The technical barriers are real: only the U.S.

possesses adequate bunker-busting capability, underground hardening defeats most conventional weapons, and air defenses multiply the complexity of any strike campaign. Understanding these limitations does not mean accepting nuclear proliferation; rather, it means recognizing that preventing weapons development requires sustained diplomatic, economic, and intelligence efforts working in parallel with—not instead of—military deterrence. The opening round of military strikes may delay a program by months, but the prolonged campaign required to actually prevent nuclear development is measured in years and depends on factors that bombs alone cannot control.