Language : English 简体 繁體
Security

The Iran War: Exposing the Limits of US Power and Accelerating Asia’s Multipolar Recalibration

Mar 20, 2026
  • Warwick Powell

    Adjunct Professor at Queensland University of Technology

U.S.-Iran war.jpg

Two weeks into the U.S.-Israeli military campaign against Iran - launched on 28 February 2026 with the explicit aim of decapitating leadership, and ostensible objectives of degrading nuclear and missile capabilities, so as to trigger regime collapse - the conflict has instead evolved into a grinding quagmire. What Washington anticipated as a swift application of air superiority leading to internal disintegration has produced the opposite: a politically consolidated Iranian state, depleted U.S. and allied air-defence stocks, Iranian control over the Strait of Hormuz, and a cascading energy shock rippling across global markets. For a policy audience attuned to the shifting architecture of international order, the war’s early lessons are stark. They reveal not merely tactical setbacks but the material boundaries of American military projection and the accelerating erosion of unipolar assumptions in energy security and regional alliances. In Asia, these developments demand urgent recalibration. 

The initial U.S.-Israeli strikes were framed as a classic “shock and awe” operation: precision decapitation of command nodes, missile production facilities and naval assets. Early claims from the Trump administration suggested that Iran’s launcher infrastructure and production lines had been neutralised within days. Reality has diverged sharply. Iran’s decision-making architecture - distributed across the Islamic Revolutionary Guard Corps (IRGC), regular armed forces, and clerical networks - proved resilient. The assassination of Supreme Leader Ali Khamenei did not fracture authority; rather, the swift elevation of his son Mojtaba Khamenei has coincided with a pronounced “rally to the flag” effect. Iranian society, far from collapsing, has demonstrated cohesion under external pressure. So-called hard-line elements appear strengthened, not marginalised. In Clausewitzian terms, this is a political defeat of the first order: war as the extension of politics has failed to bend Iranian will precisely because Iranian forces retained the capacity to fight back effectively. 

That capacity rested on deliberate resource husbandry. Iran husbanded advanced systems while deploying swarms of older, plentiful missiles and drones in the opening days to “flood the zone.” The tactic mirrored U.S.-Israeli saturation methods but achieved asymmetric outcomes. Waves of Iranian projectiles overwhelmed Gulf-based air defences, depleting interceptor stocks (Patriot, THAAD, and allied systems) and damaging or destroying key U.S. facilities. Satellite imagery and verified strikes confirm hits on communication and radar infrastructure across at least seven U.S. sites in Bahrain, Qatar, Kuwait, Saudi Arabia, and the UAE. These bases, once viewed as impregnable forward platforms, became liabilities. U.S. and allied forces have effectively retreated from forward positions, shifting air operations to more distant staging areas. The result is a degraded sortie tempo, increased reliance on aerial refuelling, and heightened logistical strain. Reports confirm the loss of at least one KC-135 Stratotanker over western Iraq during Operation Epic Fury, with rescue efforts ongoing, and possibly a second. Naval assets have likewise remained at arm’s length, unwilling or unable to challenge Iranian anti-access/area-denial capabilities directly. 

Control of the Strait of Hormuz has emerged as the decisive turn. Through a demonstrated capacity to execute attacks on commercial shipping at will - oil tankers, container vessels, and suspected mine-laying operations - Iran has effectively paralysed traffic. One-fifth of global oil transits this chokepoint; its closure is no longer theoretical. U.S. Treasury interventions in futures markets and coordinated releases from strategic petroleum reserves (SPR) by advanced economies offer only temporary relief. Post-1970s SPR doctrine always carried a signalling risk: drawdowns can dampen immediate panic but simultaneously telegraph medium-term supply fragility. With the strait’s status likely persisting beyond a month, these measures will exhaust their utility. Gulf Arab monarchies, previously reliant on U.S. security guarantees, now face a stark calculus. Iranian strikes on their territory and infrastructure have demonstrated that hosting U.S. bases invites targeting rather than protection. Reports indicate quiet diplomatic soundings between Gulf capitals and Tehran toward a modus vivendi. Survival and revenue trump fealty to distant patrons. 

The economic contagion is already pronounced, but its differential impact across Asia merits close scrutiny. Japan, South Korea, the Philippines, Indonesia, Thailand and Australia - all net oil importers - confront immediate upward pressure on energy costs. Japan and South Korea, heavily dependent on Middle Eastern crude, face the sharpest exposure; their refining complexes and export-oriented industries transmit price shocks rapidly into inflation and growth forecasts. Japan’s reserves are abundant, providing it with a buffer but others aren’t as well placed. Southeast Asian economies, many still recovering from post-pandemic supply disruptions, will see diesel and transport costs erode competitiveness. Australia’s LNG exports and domestic fuel prices add another layer of vulnerability. China, by contrast, occupies a structurally advantaged position. National reserves are ample; domestic production and coal-to-liquids pathways (despite environmental trade-offs) provide buffers. Peak diesel demand was already recorded in 2024, and electrification of transport continues apace. Beijing’s exposure is thus managed, allowing it to absorb shocks that strain more import-reliant neighbours. 

Security perceptions in Asia are shifting in tandem. The visible redeployment of scarce U.S. missile-defence assets - parts of THAAD systems and Patriot batteries - from South Korea to replenish Middle East losses has sent an unmistakable signal. Seoul has expressed unease; the move, while operationally necessary for Washington, underscores that Northeast Asian contingencies now rank below Persian Gulf priorities. Similar doubts surface in Tokyo, Manila and Taipei. Hosting U.S. bases, once an unambiguous net security asset, now appears a potential magnet for retaliation in an era of proliferated precision strike. The war has exposed the fungibility limits of American extended deterrence. Asian capitals are recalibrating accordingly - accelerating diversification of energy sources, deepening intra-regional supply chains, and investing in indigenous defence capabilities. 

Prospects for a meaningful near-term settlement remain dim. The Trump administration has explored off-ramps, including direct outreach and a reportedly substantive telephone conversation with Russian President Vladimir Putin focused on Iranian de-escalation. American proposals for a ceasefire have been rebuffed by Tehran. Iran’s leadership, sensing momentum, and having been burned when the U.S. previously launched attacks under the cover of negotiations, calculates that time favours the side controlling the energy chokepoint and demonstrating resilience against superior nominal firepower. Gulf states’ pragmatic outreach to Iran further isolates Washington’s maximalist posture. A ceasefire that restores pre-war status quo ante is implausible; any resolution will likely require U.S. acceptance of reduced regional footprint - base drawdowns or operational constraints - and Iranian guarantees on Hormuz navigation calibrated to its interests. 

Longer-term ripples extend beyond the Gulf. The conflict accelerates dynamics of multipolarity already underway for over a decade. U.S. military power remains formidable in absolute terms, yet its projection is constrained by logistics, munitions stocks, and the industrial base’s upstream dependencies - including critical components sourced through Chinese supply chains. Replenishment under sustained attrition will prove fraught. The delay of Trump’s scheduled visit to Beijing occurs against this backdrop. Arriving from a position of demonstrated strategic strain, the U.S. delegation will encounter a host less inclined to offer concessions on trade or technology without reciprocal recognition of new realities. Beijing has condemned the war’s outbreak but maintained diplomatic channels, positioning China as a responsible stakeholder capable of brokering stability rather than escalation. 

For Asia writ large, the war crystallises imperatives articulated in recent policy discourse: accelerated electrification to insulate against oil volatility, deliberate shortening of supply chains to reduce chokepoint exposure, and a pragmatic reassessment of security architectures. Electrification - particularly of transport fleets and industrial processes - offers the most robust hedge. Coal-to-liquids and synthetic fuel pathways provide interim resilience where renewables lag. Regional forums (ASEAN+, RCEP mechanisms) must now prioritise energy cooperation and joint contingency planning. The era when U.S. security guarantees could be taken as infinite has ended; multipolar hedging is no longer optional. 

In Gramsci’s famous formulation, the interregnum produces monsters precisely because the old order dies while the new struggles to be born. The Iran war is one such monster, born of overconfidence in legacy power projection, yet inadvertently hastening the birth of distributed security and economic arrangements. American military limitations have been laid bare in real time: not through outright defeat, but through the exhaustion of finite resources against an adversary that refused to play the assigned script. For policymakers in Washington, the lesson is humility about the limits of air-centric regime-change strategies. For Asia - and China in particular - the message is opportunity amid turbulence: to deepen self-reliance, fortify regional integration and resilience, and navigate the transition toward a genuinely multipolar (regional) order with strategic patience. 

The coming weeks will test whether Washington can engineer an orderly exit or whether momentum carries the conflict into deeper attrition. Either way, the Persian Gulf’s lessons are already reshaping calculations from Seoul to Jakarta. The sinews of American power - logistical, economic and political - are proving more brittle than assumed. In that recognition lies the seed of a more balanced global architecture, one in which Asia’s voice and agency will weigh heavier still.

You might also like
Back to Top