Iran’s ballistic bunker-busters: Smashing Israel’s rules of war?

The deafening wail of the ‘Tzeva Adom’ (Colour Red) siren cuts through the air, a chilling signal that renders Israelis in every nook and cranny to shudder. It echoes from loudspeakers, streaming through texts and radio broadcasts, warning of incoming rocket attacks.

In a 90 second window, they scramble to find the nearest fortified bomb shelter known locally as a Mamad (Residential Protected Space), or Miklat (Public Shelter).

These shelters, mostly underground and of reinforced concrete, are built into the very fabric of Israeli life to withstand the barrage of missiles and rockets Israel’s enemies rain down on them every now and again.

To an extent unparalleled by any other political entity, Israel has prioritized the protection of its Jewish population by ensuring that the construction of every building, from apartments and schools to hospitals and skyscrapers, come with bomb shelters.

But this feature is not merely about having fortified sanctuaries to make society more resilient in the face of attacks.

It also gives Israel’s war machine a crude but lethal advantage: the ability to pre-emptively strike enemy states and their civilians as collective punishment, whilst shielding its own from even a proportion of retaliatory equivalence.

Iran’s game-changing strategy

In the Islamic Republic of Iran, Israel’s most powerful rival in the Middle East, a not-so quiet development is well-underway that threatens to upend Israel’s long-held calculus.

Iran, it appears, is preparing to deploy indigenously produced bunker-busting ballistic missiles capable of breaching the very shelters that Israelis have so assuredly relied upon for protection.

The hardened steel casings of these missiles are engineered to specifically overcome the protective barriers of reinforced bunkers, maximize kinetic energy and relying on gravity, speed, and aerodynamic properties to create immense pressure upon impact.

Once deployed, they would render Israel’s bomb shelters vulnerable to attacks that they were never designed to withstand, thereby neutralizing one of Israel’s most significant military advantages and, for the first time, pose a direct threat to the safety of its population even in the most secure of spaces.

Only then, Iranian strategists have calculated, would the era of Israel executing audacious shock and awe airstrikes against her enemies forcing them to sue for cessation or peace, finally be met with a frightening balance of fear that erases any notion that Israel can turn Iran into another Lebanon or Syria that it can bombard at will.

READ: Iran says missile production continued and strikes penetrated Israeli defences; says top general

Inducing a re-think in Israeli military doctrine

Israel’s military advantage has always been a delicate balancing act.

As seen most recently by three rounds of largely infrastructural destruction caused by retaliatory Iranian missile strikes on its home front in 2024 and 2025, these attacks do cause extensive damage. They’ve killed and injured dozens of Israelis, disrupt the workings of daily life, and even render others to flee abroad in panic.

Yet, logistical challenges with missile interceptors aside, Israel still firmly operates on the certainty that its population (unlike that of its enemy) can safely take cover en masse in the event of an attack.

But if Iran can breach that cover, Israel would be forced to quickly rethink its military strategy and move away from pre-emptive strikes in favour of more defensive postures as this scenario would present an existential challenge.

This would in turn come at a significant cost—both militarily and politically and alter the risk/reward calculations that underpin Israel’s military doctrine, forcing it to reconsider the cost-benefit analysis of its pre-emptive strikes.

A shift toward more defensive tactics would mean forfeiting the element of collective punishment that has long been the cornerstone of Israeli military superiority. It would also expose Israel’s vulnerabilities, potentially embolden its adversaries and encourage them to take more aggressive actions.

The risk of non-combatant casualties would escalate, and both domestic and international pressure to avoid harming innocent lives would likely increase.

The idea that Israel could ‘survive’ an attack, even while its enemies face the brunt of its devastating retaliatory strikes, would be less credible if the threat to civilian infrastructure becomes tangible.

Conclusion

As the tension builds between these two regional powers, the world watches closely. Will Iran finally succeed in deploying the technology to breach Israel’s bomb shelters with adequate precision, or will Israel’s military capabilities evolve to counter this new threat?

The outcome of this high-stakes drama will determine the future of military doctrine in the Middle East for decades to come.

In the shadows, spy satellites and intelligence agencies work tirelessly to monitor Iran’s progress, while Israel’s Mossad and military intelligence gather information on the progress of Tehran’s missile program.

The stakes have never been higher and the fate of millions hangs in the balance.

Every move, every missile test, and every technological leap is watched closely by both sides, knowing that one misstep could lead to a conflict that reshapes the region forever.

For now, the future remains uncertain. But one thing is clear: if Iran succeeds in perfecting its bunker-busting ballistic missiles, Israel’s military doctrine—and the security of its population at large—will never be the same.

OPINION: Ceasefire intransigence: Palestinian prisoners and Israeli reluctance

The views expressed in this article belong to the author and do not necessarily reflect the editorial policy of Middle East Monitor.