Iran preserved 70% of missiles in underground bunkers

For months, the United States and Israel painted a clear picture: Iran's ballistic-missile and unmanned-aerial-vehicle production infrastructure had been destroyed. Official statements spoke of a strategic blow that would prevent Tehran from recovering in the foreseeable future. But Western intelligence reports published in October 2026 in Bloomberg and other leading outlets tell a very different story - and a far more troubling one.

According to those assessments, Iran preserved roughly 70% of its original ballistic-missile stockpile - some 1,800 to 2,000 missiles with the range to reach Israel. Around 60% of its launchers remain intact, along with 40% of its attack-drone inventory. The capacity to manufacture and assemble has not disappeared. On the contrary: it continues to operate, enabling relatively rapid replenishment. These figures contradict the official narrative and raise a burning question: how did this happen?

The Iranian strategy: planning ahead

The answer lies in three pillars that operated in parallel, some of them years before the wave of strikes. First: the "missile cities". Iran understood long ago that surface facilities are easy targets. It therefore dispersed production lines and storage depots deep underground, in facilities carved hundreds of metres into hard granite mountains. These complexes, dubbed "missile cities", make precision air destruction extremely difficult. Even when exposed installations were hit, the core remained protected.

Second: production based on ready-made components. Strikes on fuel mixers and heavy industrial equipment did slow part of the chain. But Iran did not wait to manufacture from scratch. It relied on large stocks of warheads, guidance systems and other critical components already in storage. The result: relatively rapid assembly of complete missiles, without the need for a full production line from the ground up.

Third: external assistance. Intelligence sources point to continued supply of critical components from China, and Russian aid, both in finished missiles and in restoring systems. These connections became a safety net that allowed Iran to bridge the gaps created by the strikes.

Patriot missile battery (Photo: German Armed Forces NATO delegation)

The immediate implication is that Iran does not face "inventory depletion". It has enough firepower and regeneration capacity to conduct a prolonged confrontation, a war of attrition, not just a short round. This changes the balance of deterrence. Future strikes by the US or Israel will meet a force capable of responding, not an exhausted enemy.

The joint air campaign may have achieved tactical gains: temporary damage, delays, harm to exposed facilities. But it did not deliver strategic decision. The pace of Iranian recovery surprised Western professionals, and demonstrated once again the gap between physical destruction and breaking a deep, distributed production capability.

The asymmetric threat is only growing stronger. Indigenous capacity allows Tehran to continue feeding the "axis of resistance", militias in Iraq, Yemen and Lebanon. At the same time, anti-ship weapons stocks remain intact, actively threatening shipping lanes in the Strait of Hormuz, the lifeline of the global energy market.

There are diplomatic implications as well. When military leverage does not eliminate production lines, Tehran comes to the negotiating table with greater confidence. The United States is forced to reconsider: whether to settle for a ceasefire on less favourable terms, or to plan far more extensive and intensive waves of strikes, with all the risks that entails.

This story is not only about numbers of missiles and drones. It is about a long-term strategy that proved itself under pressure. Iran did not win the air campaign, but it also did not lose the ability to keep fighting. Dispersal, fortification, ready stocks and external assistance created a resilience system that is hard to dismantle in a single blow.

The October 2026 data recall an old lesson: in the Middle East, physical destruction does not always equal strategic decision. As long as the capacity to produce and assemble is preserved beneath the mountains, the threat remains alive and ready to awaken again.