MIT physicist Dr. Ted Postol dismantles the fantasy of surgical nuclear strikes on Iran’s underground facilities with forensic precision — exposing how even a single high-yield warhead detonated above ground would trigger catastrophic structural failure deep within granite bedrock. His analysis renders absurd the notion that such an attack could be “not a big deal” or executed “in one hour” without mass civilian death.

Postol calculates that a surface burst of a 475-kiloton W88 warhead over Pickaxe Mountain would generate shockwaves propagating at over 5,000 meters per second through intact granite — far exceeding the design thresholds of any known civil or military shelter. Spallation alone — the violent ejection of rock fragments from the underside of ceilings and walls — would kill or incapacitate personnel across multiple levels before blast overpressure even arrived.

The interview was broadcast by Daniel Davis / Deep Dive, hosted by Daniel Davis, on May 2024. MIT physicist Dr. Ted Postol served as head of the Office of Naval Research’s Directed Energy Program and remains one of the world’s foremost authorities on nuclear weapons effects, bunker penetration physics, and civil defense engineering — having advised Congress, the Pentagon, and international arms control bodies for over four decades.

He notes Cheyenne Mountain Complex — often cited as a model for hardened facilities — was built with reinforced concrete linings, steel doors rated to 1,000 psi, and extensive vibration-dampening systems — none of which exist at Pickaxe Mountain. Its tunnels are excavated directly into unlined granite, with no secondary containment, no blast valves, and no redundancy in ventilation or power.

Esfahan lies less than 20 kilometers from the site — well within the zone of total building collapse from ground shock and airblast. A single detonation would rupture water mains, sever electrical grids, and ignite fires across the city’s densely populated districts — all before emergency responders could reach the scene.

Postol stresses that no U.S. weapon currently in the stockpile can reliably penetrate more than 60 meters of granite — and Pickaxe Mountain’s critical infrastructure lies at least 120 meters below surface. Even if a penetrator warhead reached its target depth, the resulting cavity would be surrounded by fractured, unstable rock — guaranteeing immediate tunnel collapse and entombment of any surviving personnel.

He rejects the idea that “precision” applies to nuclear effects — pointing out that the W88’s 475-kiloton yield is over thirty times greater than the bomb dropped on Hiroshima. There is no such thing as a “limited” nuclear strike when the weapon’s energy release dwarfs all conventional explosives combined by orders of magnitude.

Postol concludes that framing nuclear escalation against Iran as a technical or logistical challenge fundamentally misrepresents its nature — it is not an engineering problem but a political decision to initiate mass annihilation. The rhetoric of speed and simplicity serves only to obscure the irreversible, indiscriminate, and genocidal character of the act.