‘War on Terror’ to Tehran: Regime Change, Geopolitics, and the Dangerous Logic of Escalation

‘War on Terror’ to Tehran: Regime Change, Geopolitics, and the Dangerous Logic of Escalation

By ICTpost Persian Service

The joint US-Israeli air and missile strikes on Tehran that killed Iran’s Supreme Leader, Ali Khamenei, have pushed West Asia into its most volatile moment since the 2003 Iraq War. The decapitation strikes, which reportedly also eliminated senior officials of the Supreme National Security Council and the IRGC commander, represent a dramatic escalation in an already fragile regional order.

Yet the most consequential question is not about military capability. It is about strategy: Why could this expanding conflict not be prevented? And what does it reveal about the evolving logic of American power in the Middle East — from the “war on terror” to Iraq, and now Iran?

Beyond Nuclear Pretexts: The Geopolitical Core

Washington has justified its actions by citing Iran’s alleged proximity to acquiring nuclear weapons. But this narrative is increasingly contested.

Strategic thinker Brahma Chellaney, professor and author, argues that the stated justification masks a deeper geopolitical calculus:

“The war on Iran has little to do with nuclear or missile proliferation or state-sponsored terrorism. If those were the real concerns, the more obvious U.S. target would be Pakistan: a declared nuclear-armed state with an estimated 170+ warheads; a country that U.S. intelligence assesses is developing intercontinental-range ballistic missile capabilities that could reach the United States; and one whose state-backed terror networks have been linked to major transnational terrorist attacks, including in the West. The principal architects of 9/11 were ultimately found in Pakistan, among them Osama bin Laden and Khalid Sheikh Mohammed.”

Iran, by contrast, remains a signatory to the Nuclear Non-Proliferation Treaty (NPT). Though it has enriched uranium up to 60%, it has not crossed the 90% weapons-grade threshold, and international assessments have long maintained that Tehran remains some distance away from producing a functional nuclear weapon.

Chellaney contends that the real logic of the war is not defensive but geopolitical:

“The logic of this war is therefore geopolitical, not defensive. It is about reshaping the regional balance of power, installing a pliable regime in Tehran, and weakening Iran’s network of regional influence. Control over the Strait of Hormuz — through which roughly a fifth of the world’s traded oil passes — and the broader project of rolling back Iran’s strategic reach are integral to this regime-change agenda.”

This assessment situates the current conflict within a broader pattern of American interventions justified through security rhetoric but driven by strategic realignments.

The Commitment Trap

Unlike Iraq in 2003, the present war did not emerge from a diplomatic vacuum. It erupted amid active indirect negotiations between Tehran and Washington. Omani mediation had reportedly produced significant breakthroughs, including Iran’s willingness to halt the stockpiling of enriched uranium, down-blend existing 60% stockpiles into irreversible fuel, and allow expanded inspections.

Yet instead of consolidating diplomacy, Washington chose escalation.

This paradox may be explained by what analysts call a “commitment trap.” Once a military build-up reaches a visible threshold, de-escalation becomes politically costly. For President Donald Trump, a negotiated settlement — even one offering unprecedented concessions — may not have provided the decisive domestic optics required.

The means, in effect, became the ends.

The war’s casus belli evolved accordingly. In mid-2025, Washington framed its objective as the destruction of Iran’s nuclear programme. By early 2026, even as some officials claimed Iran was “one week away” from a bomb, the narrative shifted toward facilitating regime change.

But regime change is not a military objective easily achieved by airpower alone.

The rhetorical arc echoes earlier conflicts. Senator Bernie Sanders captured this skepticism bluntly:

“Trump said we had to attack Iran because we can’t allow it ‘to have a nuclear weapon.’ Really? This is the same president who, in June, said: ‘Iran’s nuclear facilities have been obliterated.’

Vietnam. Iraq. Iran.

The comparison to Vietnam and Iraq is not casual. Both conflicts were framed as preventive necessities. Both expanded beyond their initial objectives. And both imposed long-term strategic costs on the United States.

The lesson from Iraq, in particular, is stark: removing a leader does not necessarily dismantle a system. Instead, it can fracture states, empower militias, and create prolonged instability.

Punishment as Strategy

With boots on the ground deemed politically untenable, Washington appears to be relying on airpower dominance and technological superiority. The deployment of the USS Gerald R. Ford carrier strike group near Israel underscores preparations for absorbing Iranian retaliation rather than preventing it.

Iran, for its part, has adopted both vertical and horizontal escalation. Vertically, through large-scale missile and drone barrages designed to inflict tangible damage. Horizontally, by widening the theatre — targeting US bases across the Gulf, Iraq, and Israel, and even striking within states hosting American forces.

Crucially, Tehran has announced a halt to oil tanker passage through the Strait of Hormuz — a move with profound economic consequences. Roughly 20% of global oil trade passes through this narrow corridor. Disruption here is not symbolic; it is systemic.

The strategy is clear: impose regional costs, not merely bilateral ones. Punishment is intended as deterrence — but also as leverage.

Survival versus Optics

The asymmetry of stakes is central to understanding the conflict’s trajectory. For Washington, the war must remain limited; prolonged entanglement contradicts Trump’s stated aversion to open-ended campaigns. For Tehran, however, this is existential.

With Khamenei’s death, the regime may actually consolidate internally. History suggests that external attacks often suppress dissent rather than amplify it. Strikes on civilian targets — including reported damage to a school — further complicate efforts to foster internal opposition capable of replacing the entrenched system.

Chellaney’s geopolitical reading implies that Washington may have underestimated this dynamic. Regime decapitation does not guarantee regime collapse. In fact, it can harden resolve.

If a transitional leadership structure emerges within Iran’s existing framework, the result will be change within the system — not change of the system. That distinction matters profoundly.

Regional Repercussions

The conflict also tests the architecture of Gulf security. By targeting both military and civilian sites in states hosting US bases, Iran signals that alliance with Washington carries tangible costs. This could trigger strategic recalibrations among Gulf monarchies wary of becoming battlegrounds in great-power contests.

Moreover, the global energy shock could reshape economic alignments. China, India, and Europe — all heavily dependent on Gulf energy flows — now face volatility that extends far beyond regional politics.

For India, which imports significant volumes of oil transiting the Strait of Hormuz, the implications are immediate: energy security, inflation management, diaspora safety, and strategic balancing between Washington and Tehran.

The Unfinished Crisis

Despite the dramatic decapitation strikes, the military crisis is far from resolved. Iran retains asymmetric tools — proxy networks, missile arsenals, and cyber capabilities — that complicate American and Israeli calculations.

The United States and Israel have taken a calculated gamble: that technological superiority and leadership elimination can coerce systemic transformation. But history suggests that external pressure often produces resilience rather than capitulation.

From Vietnam to Iraq, the pattern is sobering. Military dominance does not automatically translate into political control.

The “war on terror” evolved into the Iraq invasion under the banner of pre-emption. Now, in Iran, the banner appears to have shifted from nuclear prevention to regime engineering. Each phase reflects expanding objectives layered atop shifting justifications.

A War of Narratives and Power

The US-Israeli assault on Tehran marks a defining moment in Middle Eastern geopolitics. It is not merely about uranium enrichment or missile ranges. It is about power balances, strategic waterways, and the limits of coercive diplomacy.

India at the Crossroads of Strategy and Survival

For India, the Trump–Netanyahu war on Iran is not a distant geopolitical spectacle — it is an economic stress test unfolding in real time. As Dr. Brahma Chellaney (@Chellaney) starkly puts it, “India’s economic growth and energy security are now exposed to the volatile front lines of the Middle East conflict.” By sharply reducing discounted Russian crude and increasing reliance on Gulf and U.S. supplies, New Delhi has shifted from price vulnerability to supply vulnerability — with the Strait of Hormuz emerging as a massive single point of failure.

Nearly half of India’s oil imports, 60% of its LNG, and up to 85% of its LPG now transit through Hormuz — and unlike crude, India holds no strategic LPG reserves. A prolonged disruption would not only widen the trade deficit — with every $10 oil spike adding an estimated $13–14 billion to the annual import bill — but also hit households directly through rising cooking gas prices.

In contrast, China retains the option of expanding overland Russian energy imports, cushioning itself against maritime disruptions. India, meanwhile, finds itself more exposed at a time of intensifying geopolitical polarization. In effect, Chellaney argues, New Delhi has made a costly strategic wager — trading tariff relief and diplomatic alignment for heightened energy fragility.

If this conflict drags on, the consequences for India will extend beyond inflation and fiscal stress. They will test the resilience of its growth model, its foreign policy autonomy, and its long-standing doctrine of strategic balance. The war may be fought thousands of kilometers away — but its economic aftershocks will be felt in every Indian household.

Whether this conflict reshapes West Asia — or repeats the errors of past interventions — will depend less on missiles than on political imagination. The tragedy of Iraq was not simply that war was launched, but that alternatives were abandoned. The same question now confronts Washington and Tehran alike: Was escalation inevitable, or was it chosen?

The answer will define not just Iran’s future, but the credibility of American power in a rapidly changing world.

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