Tensions surrounding Iran's nuclear program return to the forefront one of the most alarming scenarios for the Middle East: a potential US military strike on the underground nuclear facility at Pickaxe Mountain, with discussions extending even to rumors regarding nuclear weapons deployment. This specific scenario acquired a fresh dimension following public threats by US President Donald Trump that Washington might need to strike the facility, which lies buried deep inside a mountain mass and is considered one of the most heavily protected sites linked to Tehran's nuclear program. Concurrently, reports and social media posts reignited rumors regarding potential nuclear strikes.
Particular publicity surrounded claims by American commentator Tucker Carlson that the Trump administration could be considering such a prospect under pressure from Israeli Prime Minister Benjamin Netanyahu. However, to date there is no public confirmation from US or Israeli officials that a decision to use nuclear weapons has been taken. On the contrary, Trump himself stated on October 16 that there is no reason to use nuclear weapons against Iran, maintaining that conventional military options suffice. The distinction proves critical: threatening a conventional bombardment of an underground facility is entirely different from employing nuclear weapons, as the consequences of the second option operate on an entirely different scale, directly influencing Middle East nuclear strike risks.
Rumors of nuclear strikes and conflict background
Discussion concerning a potential nuclear strike expanded following a post by Tucker Carlson on November 1, in which he claimed the US could be close to such a decision targeting the Pickaxe Mountain facility. This assertion was linked to assessments that the specific facility is so deeply protected inside the mountain that conventional bunker-buster bombs might prove incapable of destroying it completely. Rumors gained traction from the fact that Trump has repeatedly referred publicly to the prospect of a strike. On October 16 he stated that the US might need to strike Pickaxe Mountain, arguing that Iran's nuclear infrastructure lies buried under immense volumes of rock. At the same time, however, the US president publicly ruled out using nuclear weapons, stating there is no need for such an option. Therefore, the real question centers on whether Washington will attempt a new conventional strike and how far escalation could extend if the operation fails to achieve its objective, shaping underground nuclear target profiles.
Why Pickaxe Mountain is considered such a difficult target
The Pickaxe Mountain facility, located near the Natanz nuclear complex, constitutes one of the most enigmatic locations within Iran's nuclear program. The complex was constructed deep within the mountain mass to protect it from airstrikes and heavy conventional munitions. Analyst estimates place core underground halls at a depth of approximately 100 meters, though exact specifications remain difficult to confirm independently. Its significance is heightened by suspicions that it could host uranium enrichment centrifuges or other activities related to Iran's nuclear program. Claims have been voiced that centrifuges and components may have been transferred there, though available satellite imagery alone does not prove precisely what lies inside. Analysis by the Center for Strategic and International Studies (CSIS), based on satellite data, recorded increased construction activity in the area during 2026, featuring reinforced access points and structural interventions around tunnel entrances. For its part, the Institute for Science and International Security estimated in October that tunnel entrances remained blocked and that the facility exhibited no signs of normal operational activity or significant ongoing construction. This does not imply the complex lacks military importance. On the contrary, the possibility that it houses valuable equipment or materials renders it a major target for US strategy, defining Natanz nuclear complex security.
Conventional strikes and the prospect of failure
The primary challenge for the US military is that destroying a facility built so deeply into solid granite is no simple matter. The US possesses powerful conventional weapons designed to penetrate subterranean structures, such as GBU-57 MOP bombs, engineered to strike fortified targets below ground level. However, their effectiveness against a complex with the characteristics of Pickaxe Mountain cannot be taken for granted. Military options on the table could also include strikes against tunnel entrances, support infrastructure, and access facilities serving the underground complex. Such an operation would not necessarily mean the US could destroy every facility inside the mountain. It could, however, severely disrupt operations and restrict access. This exact difficulty feeds public debate over whether Washington genuinely possesses a conventional weapon capable of permanently neutralizing this specific target, impacting US military bunker buster effectiveness.
Robert Pape: The nightmare of radioactive dispersion
At the epicenter of concern lies the scientific dimension of such a scenario. University of Chicago professor Robert Pape has highlighted potential risks that a nuclear blast at a deep underground facility in Iran could generate. The critical issue would not merely involve destroying the target, but also what could occur if a nuclear explosion caused radioactive fallout dispersion into the atmosphere. In such a hypothetical scenario, radioactive contamination would not necessarily remain confined to the blast area. The direction and extent of fallout would depend on explosion yield, facility depth and characteristics, whether radioactive materials remained contained underground, and prevailing atmospheric conditions. Winds would constitute a decisive factor. Depending on wind direction, a radioactive cloud could move toward regions of the Persian Gulf, Afghanistan, and Pakistan, while under specific meteorological conditions, impacts on parts of India could not be ruled out. These constitute hypothetical projections rather than definitive predictions that such fallout will occur. Determining the true extent of consequences would require specialized modeling based on concrete data regarding blast mechanics, facility environment, and atmospheric circulation, driving University of Chicago fallout models.
Persian Gulf: A crisis transcending Iranian borders
The consequences of a nuclear strike would not affect Iran exclusively. The country's geographical position, combined with its proximity to critical energy and maritime trade routes, would transform such an event into a major regional crisis. Persian Gulf states would confront severe anxieties regarding population safety, infrastructure protection, and energy facility operations. Concurrently, potential radioactive fallout could trigger severe disruptions to commercial aviation, maritime shipping, and trade activities depending on contamination spread and direction. Afghanistan, Pakistan, and potentially parts of India could likewise find themselves at the center of concern should atmospheric conditions favor the transport of radioactive particles toward those regions. In such an event, the crisis would acquire an international dimension, forcing governments to manage not only the immediate aftermath of a military operation, but also potential impacts on public health and the environment, altering Persian Gulf environmental security.
Washington's true dilemma
The Trump administration confronts a formidable strategic dilemma. On one hand, it seeks to prevent Tehran from acquiring nuclear weapons and neutralize facilities deemed critical to Iran's program. On the other hand, a strike on Pickaxe Mountain might fail to achieve complete target destruction while triggering unchecked escalation. Employing nuclear weapons would represent an entirely different and extraordinarily dangerous development, incurring immense political, military, environmental, and humanitarian costs. Currently, public debate surrounding such a prospect relies primarily on claims and unconfirmed assessments, while Trump has stated he does not intend to use nuclear weapons. The fact, however, that the US president systematically brings back the threat of a strike on Pickaxe Mountain—combined with the difficulty of neutralizing the facility—keeps the region in a state of heightened geopolitical tension. The question is not merely whether the US will decide to strike the underground complex, but also whether such a strike could achieve its military objective without initiating a new cycle of conflict whose consequences could far outstrip Iranian border containment.
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