How East Asia is being quietly reordered by the US war on Iran

Illustration: Craig Stephens A month into the Iran war, Washington still says it expects to achieve its objectives in weeks, not months.

That may prove optimistic.

The terms on offer from the United States and Iran barely overlap, and markets remain unconvinced a durable settlement is close.

But one fact is clear: the war’s most consequential effects may be felt not only in the Middle East but across East Asia.

It would be a mistake to see this as only an oil story.

It is also about hierarchy.

In East Asia, the war is revealing which powers matter most when sea lanes are disrupted, gas prices surge, supply chains tighten and American military attention is stretched across multiple theatres.

The states that can provide energy, industrial inputs, strategic reassurance or room for manoeuvre are gaining weight.

Those that cannot are losing it.

The result is not a simple geopolitical realignment in which countries suddenly switch sides.

It is subtler than that, and potentially more enduring.

Iran’s war is pushing East Asia towards a harder, more transactional order: Russia becomes more valuable as an emergency energy supplier; China becomes more valuable as a functional industrial stabiliser; US allies become more cautious about entrapment and overdependence; and regional states look more seriously at hedging, compartmentalisation and resilience.

Energy is the fastest and clearest transmission belt.

The Strait of Hormuz disruption has hit Asia especially hard.

That matters because the region’s vulnerability is not evenly distributed.

Japan and South Korea remain heavily exposed to Middle Eastern energy flows.

Taiwan worries not only about energy costs but also about whether a distracted US can continue to underwrite deterrence and supply security at the same time.

The Philippines has declared a national energy emergency.

Russia’s position is likely to rise, not because it has become trusted, but because it has become useful.

Countries across Asia are seeking more Russian oil as an alternative.

Moscow is also gaining in nuclear energy diplomacy, with Vietnam moving forward on cooperation for a new nuclear power plant.

In a prolonged energy shock, usefulness matters more than rhetoric.

Regional energy producers such as Malaysia, Indonesia, Brunei and East Timor can ease the margin, not replace the Gulf.

The longer-term consequence is East Asia will accelerate diversification.

That means more interest in Russian oil, more interest in nuclea

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