US-Israel War Changed Iran’s Regime For The Worse? Khamenei To IRGC, 3 Reasons Why

Last Updated:April 15, 2026, 16:54 IST

US-Israel War Changed Iran’s Regime For Worse? Instead of bringing forward moderate leaders, "power vacuum" has been filled by a more entrenched hard-line elite. News18 explains

While the US-Israel war on Iran, initiated in February 2026, sought to destabilise the existing leadership, it has instead resulted in a regime change that is widely described as being “for the worse".

The ground reality from analysts and media reports, News18 explains.

What has changed in Iran after the US-Israel war?

Reports from the Wall Street Journal and analysts cited by The Australian say that rather than bringing forward moderate leaders, the “power vacuum" has been filled by a more dangerous and entrenched hard-line elite.

The changes after the war:

1. Ascent of Hard-Line Leadership: Following the assassination of his father, Ali Khamenei, Mojtaba Khamenei has been selected as the new Supreme Leader. Opponents describe this new era as a “worst nightmare"—a militarised Iran ruled by a younger, more radical leader who appears unwilling to pursue political compromise domestically or internationally. The new leadership is increasingly guided by the “apocalyptic doctrine of Mahdism," viewing the war as a religious precursor to the return of the Shiite messiah, say reports.

2. Increased Dominance of the IRGC: The Islamic Revolutionary Guard Corps (IRGC) has taken an even more dominant role in governing the country. Experts note that the most extreme factions within the IRGC are now in charge, making the prolongation of conflict more likely. Leadership has signalled a shift in military strategy from “an eye for an eye" to a more disproportionate “head for an eye" doctrine.

3. Strategic and Humanitarian Deterioration:

Strait of Hormuz: Iran has flexed its de facto control over the Strait of Hormuz, effectively holding 20% of global oil supplies hostage by making shipping uninsurable.

Internal Crackdown: The regime has intensified its domestic suppression, using arrests, executions, and lethal force to quash the 2026 Iranian Uprising, which has become the largest protest movement since 1979.

Nuclear Acceleration: Weakened conventionally, there are significant fears that the new leadership will accelerate Iran’s nuclear breakout as a ultimate survival strategy.

US-Iran war: The current status

The United States is in a state of direct conflict with Iran, characterised by a U.S. naval blockade of Iranian ports and a fragile, frequently violated ceasefire. The war began on February 28, when the US and Israel launched Operation Epic Fury, a series of massive airstrikes that killed Iran’s Supreme Leader, Ali Khamenei.

On April 13, 2026, the US military officially began a blockade targeting all ships entering or leaving Iranian ports. US Central Command (CENTCOM) claims the blockade has “completely halted" Iran’s economic sea trade, though reports suggest some Iran-linked vessels have attempted to break through.

Strait of Hormuz, the strategic waterway, is a primary flashpoint. Iran has threatened to meet any escalation with force, warning that the strait is under its “full control".

A two-week conditional ceasefire was agreed upon on April 7, mediated by Pakistan. However, tensions remain high as President Trump recently labelled Iran’s compliance as “not good enough" and threatened to resume strikes on bridges and power plants if the Strait of Hormuz is not fully reopened.

KEY FAQs

What does “regime change for the worse" mean in Iran’s case?

It means that while leadership in Iran has shifted after the recent war, the system has not become more moderate or democratic. Instead, analysts say it has turned more hardline, militarised, and dominated by security forces like the Revolutionary Guard.

What caused this shift?

The change followed the killing of top leaders during the US–Israel conflict, which created a power vacuum. Instead of reformists emerging, more radical and uncompromising figures filled the gap, consolidating control.

Why do analysts say it is “worse"?

Experts point to greater repression at home (crackdowns, executions), stronger influence of hardliners and military groups, less willingness to negotiate internationally, increasing conflict risks.

With agency inputs

News explainers US-Israel War Changed Iran’s Regime For The Worse? Khamenei To IRGC, 3 Reasons Why

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