Israel–Iran War Aftermath: Mossad Vows Regime Change Push as Cluster Missiles Exposed Air-Defence Gaps
Mossad Director Barnea declares the agency's mission unfinished until the Islamic Republic falls, while a new investigation reveals that Iran's cluster missiles overwhelmed Israeli defences in the final days of the 40-day war.
Mossad Director David Barnea used the solemnity of Israel's Holocaust Remembrance Day ceremony on Tuesday to deliver an unusually public and forward-looking declaration about Iran. According to The Jerusalem Post, Barnea stated that his agency's mission is not yet complete, adding: "We did not think that our mission would be completed immediately with the fading of the battles, but rather we planned, and [really] we planned to continue, and this will be manifested even after the time of attacks on Tehran."
It was the first time the Mossad chief has publicly addressed his role and views regarding the prospect of regime change in Iran. The statement carries particular weight given the controversy that has surrounded the intelligence agency in the weeks since a ceasefire ended the 40-day war without bringing down the Islamic Republic.
Both Israeli and American officials have, in recent weeks, directed criticism at Barnea and the Mossad, accusing the agency of failing to deliver on pre-war expectations of internal Iranian collapse. The Jerusalem Post reports that the Mossad has firmly rejected these allegations, maintaining that it had consistently communicated to Israeli and American counterparts that any prospect of regime change would only materialise after an Iran war, not during it. Barnea has previously indicated that he considers regime change a realistic possibility within a year of the current conflict.
Forty Days of Fire: The Statistics Behind the War
A detailed investigation published by Haaretz on Tuesday lays bare the trajectory of Iran's missile campaign over the 40-day war. Iran fired approximately 650 ballistic missiles at Israel throughout the conflict — a figure described as a very accurate estimate by a senior security source. Of those, 77 missiles penetrated Israel's multi-layered air-defence systems and caused damage.
The overall death toll stood at 24 Israelis killed, with more than 7,000 wounded. The human cost, while significant, was kept relatively limited by the frequency with which civilians heeded shelter warnings — a factor that Israeli defence officials have publicly emphasised.
The penetration rate was not uniform across the conflict. In the war's opening week, only 5 percent of roughly 220 missiles struck Israeli territory, killing 10 people in Tel Aviv and Beit Shemesh. By the final five days, according to Haaretz's analysis, that figure had risen sharply to 27 percent — meaning more than one in four missiles fired was reaching its target. A single impact in that final phase killed four members of one family in Haifa.
The Cluster Missile Problem: Israel's Unresolved Vulnerability
Of the 77 missiles that penetrated Israeli air defences, 61 — the overwhelming majority — were cluster variants, for which Israel was unable to develop an adequate countermeasure. This is all the more striking given that the threat of Iranian cluster missiles was already documented during the 12-day war of June 2025, in which only three cluster missiles had successfully penetrated, compared with 32 single-warhead missiles.
The technical challenge is specific to the architecture of Israeli air defence. Cluster missiles release their bomblets at approximately 10 kilometres altitude, meaning that only high-altitude interception systems — principally the Arrow and the US-supplied THAAD — are effective. Israel's David's Sling system, which intercepts missiles within the atmosphere, may engage the missile after the dispersion event has already occurred.
Arrow 3, Israel's most capable interceptor, carries a unit cost of approximately $3 million, and stockpiles had been significantly drawn down in the June 2025 conflict. THAAD batteries deployed in the Gulf region were also reported by Haaretz to have been seriously depleted. Replenishment of interceptor stockpiles had been delayed by a reported political dispute between Defence Minister Israel Katz and a fellow Likud minister, David Amsalem.
The urban impact of cluster missiles was severe. In Bnei Brak, some 30 buildings and 120 apartments were struck, leaving 520 people homeless. In Ramat Gan, at least 167 people were temporarily or permanently displaced. Tel Aviv recorded 54 significant cluster-bomb impact sites. Chief Superintendent Doron Lavi of the police's bomb disposal unit described the weapon's effect to Haaretz: "The damage at each site is relatively minor, certainly compared to the large warheads, but their lethality has been demonstrated at several sites. When they explode, they produce a shower of knives."
Strategic Implications: A War That Sets Conditions, Not Conclusions
Together, the two reports paint a picture of a conflict that has reshaped the strategic landscape without resolving it. Iran demonstrated a capacity to erode Israeli air-defence effectiveness over time — a finding that will inform both Israeli procurement priorities and future escalation calculus. Iran fired roughly 1,500 surface-to-surface missiles at Israel over two and a half years and four direct confrontations, according to a senior reserve officer cited by Haaretz, a sustained attrition campaign that no planning scenario had fully anticipated.
For Israel's intelligence community, the ceasefire marks a pause rather than an endpoint. Barnea's public declaration — delivered on Holocaust Remembrance Day, a date chosen with evident symbolic intent — signals that the Mossad considers itself still mid-mission, and that the campaign against the Islamic Republic has entered a new, covert phase focused on the conditions that the war was designed to create.
Whether those conditions will prove sufficient — and within what timeframe — is a question that neither the Mossad chief nor the current balance of forces in Tehran is yet prepared to answer.