IRAN WAR ENDGAME | WHY TRUMP THREATENED OMAN

Global Affairs Session 44 28 May 2026

IRAN WAR ENDGAME

Why threat to Oman?

America's Iran war shows the limits of raw military power: Operation Epic Fury delivered tactical destruction but no political victory, Tehran's regime survived the war and tightened its grip, and the Strait of Hormuz remains Iran's trump card. Trump's threat to "blow up" Oman reveals how far the endgame has now spread across the wider Gulf.

Global Affairs Session 44: Iran War Endgame — why threat to Oman
Middle East map showing Iran, Oman and the Strait of Hormuz
News coverage of Trump's threat to attack Oman over the Hormuz standoff

From quagmire into a dead end

In trying to avoid a "quagmire" in Iran, America has found a "dead end" instead — it cannot beat Iran outright, despite all the firepower deployed against it.

Donald Trump had long attacked earlier presidents for "forever wars" in the Middle East, but his own Iran war shows how hard it is to avoid the same strategic trap. The conflict may not become a classic forever war, but it has already failed as a short war.

America's forever-wars trap, from historical context to long-term consequences

US' "forever wars" theory

America's "forever wars" refer to long, open-ended military interventions, especially after 9/11, in countries like Afghanistan, Iraq, Syria and Yemen, where goals shifted over time and withdrawal became politically and strategically difficult.

Iran, however, is unlikely to become a Vietnam-style quagmire, since the conflict was never about deploying large numbers of U.S. boots on the ground.

John Mearsheimer on the difficulty of remaking other societies by force

Epic Fury — tactically good, strategically useless

The United States relied on missiles, airpower, AI-enhanced weapons systems and long-distance coercion against Iran — a form of military power that can be coercive and punitive, but that cannot easily deliver clean political outcomes.

  • Operation Epic Fury was billed as a historic victory. U.S. leaders presented it as a historic and overwhelming success, but it did not produce real strategic results.
  • Washington fell into the "short-war fallacy." This is the belief that superior technology, speed and force can quickly defeat an enemy.
  • The campaign bet everything on speed and force. Moving fast with tremendous force was expected to incapacitate Iran and produce swift battlefield success.
  • The result was tactical brilliance, strategic failure. Impressive military destruction was achieved without the desired political outcome.
Why Operation Epic Fury achieved tactical wins but strategic failure against Iran

And what really happened…

Behind the declared victory, Iran absorbed the blow and adapted — and the war ended up strengthening, not weakening, the forces Washington wanted to contain.

  • The Iranian regime did not collapse. Instead, hard-liners in the Islamic Revolutionary Guard Corps used the war to tighten their grip on power.
  • Iran had prepared for exactly this scenario. Succession plans and preparation for assassination strikes meant leadership losses did not break the regime.
  • The U.S. underestimated Iran's resilience. Washington underestimated Iran's ability to absorb punishment and keep fighting — a classic error of underestimating an opponent.
  • Survival itself became Iran's political victory. Iran did not need to "cry uncle," because simply surviving became a political success for the regime.
  • The Strait of Hormuz became central. Its functional closure created global economic pressure and inflationary consequences far beyond the battlefield.
  • The war produced an impasse. Trump wants to move on, but Iran has little incentive to give him an easy exit.
Timeline of how Trump got stuck in Iran, from the JCPOA to escalation in the Gulf

Big lesson

Military superiority can destroy targets, but it cannot automatically solve the strategic problem of coercion, regime resilience, escalation, legitimacy and political endgames.

Why threaten Oman

Oman has long shaped Gulf history as a maritime crossroads linking Arabia, East Africa, Persia and India. Its seafaring empire, especially through Muscat and Zanzibar, drove trade in spices, dates and frankincense — and Oman has preserved a distinct diplomatic independence, balancing regional powers while contributing to Gulf commerce, culture and strategic security.

  • Trump threatened to "blow up" Oman in May 2026. The threat followed reports that Oman and Iran might together seek control or tolls over the Strait of Hormuz, a vital oil-shipping route.
  • Trump read it as a break in a long-running alliance. He was reportedly alarmed at the prospect of Gulf Cooperation Council states moving closer to Iran — a shift he sees as increasingly likely in the coming years.
Oman's role in the Gulf region: a chronology of diplomacy and strategic position, 1950-2026
Map of the Strait of Hormuz and Oman's coastline, the flashpoint behind Trump's threat
Value addition

Glossary and related terms

Forever war
An open-ended military intervention in which goals shift over time and withdrawal becomes politically and strategically difficult.
Short-war fallacy
The mistaken belief that superior technology, speed and force can quickly and cleanly defeat an adversary.
Operation Epic Fury
The U.S. military campaign against Iran built around missiles, airpower and AI-enhanced weapons systems and long-distance coercion.
Islamic Revolutionary Guard Corps (IRGC)
Iran's ideological military force, whose hard-line leadership used the war to consolidate domestic power.
Strait of Hormuz
A narrow maritime passage linking the Persian Gulf with the Gulf of Oman and a critical route for global energy shipping.
Regime resilience
A government's capacity to absorb military, economic or political shocks without losing its grip on power.
Gulf Cooperation Council (GCC)
A regional bloc of six Gulf Arab states cooperating on economic and security matters.
Coercive diplomacy
The use of threats or limited force to compel a change in an adversary's behaviour without full-scale war.
Strategic chokepoint
A narrow route or location whose disruption can produce effects far beyond its immediate geography.
Political endgame
The durable political settlement a military campaign is ultimately meant to produce, as distinct from its battlefield outcomes.
Value addition

Conceptual references

  • John J. Mearsheimer's critique of interventionist foreign policy and the difficulty of remaking other societies by force.
  • Historical analysis of America's post-9/11 "forever wars" in Afghanistan, Iraq, Syria and Yemen.
  • Strategic literature on the "short-war fallacy" and the gap between tactical destruction and political victory.
  • Maritime-security analysis concerning the Strait of Hormuz and Gulf energy-market vulnerability.
  • Regional-diplomacy background on Oman's historical role as a Gulf mediator and maritime power.

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