The Geopolitics of the Persian Gulf and War with Iran

Foreign Policy Research Institute | Philip Wasielewski

United States military engagement in the Persian Gulf since 1979 reflects a sustained conflict with Iran over control of the Strait of Hormuz and regional energy supply routes. Geopolitical competition along these maritime chokepoints predates modern statehood, originating in ancient Persian resistance to foreign powers. British petroleum discoveries in 1908 transformed the Gulf into a global economic focal point, prompting the Royal Navy to convert its fleet to oil and establish a century of regional maritime control.

Following Britain's 1971 withdrawal, Washington established the Carter Doctrine in 1980 to guarantee energy security and counter Soviet and Iranian influence. Energy security remains the principal strategic catalyst. Iran responded by leveraging asymmetric warfare, Shia proxy networks, and anti-Western foreign policy to undermine American hegemonic authority. Tehran views nuclear development as essential for regime survival. Strategic friction now centers on economic sanctions, energy market stability, and freedom of navigation across critical maritime corridors.

Comment

Naval escort operations in the Strait of Hormuz demonstrate how maritime access protection creates asymmetric cost imbalances for expeditionary forces. During Operation Earnest Will in 1987, US Navy warships expended millions of dollars in operational maintenance to protect commercial tankers against cheap Iranian sea mines and speedboats. The financial burden of maintaining continuous carrier strike group deployments around the Musandam Peninsula taxes Western naval procurement budgets disproportionately against low-cost anti-access capabilities.

This economic asymmetry echoes the Royal Navy's coal-to-oil conversion before the First World War, where fuel dependencies dictated global force distribution. Protecting fuel infrastructure near the Abadan refinery required sustained garrison costs that eventually strained British imperial fiscal solvency. Contemporary freedom-of-navigation patrols near the Strait of Hormuz face the same structural dynamic, where defensive endurance depends on absorbed economic friction rather than tactical dominance.

Strategic Question for Discussion

Which factor imposes a heavier long-term constraint on expeditionary power projection in the Strait of Hormuz — the fiscal absorption of routine maritime escort missions like Operation Earnest Will, or the industrial capacity required to replenish depleted naval munitions?

Available evidence points toward the continuous fiscal absorption of low-intensity maritime escort patrols as the more systemic constraint. While high-intensity munition expenditures generate immediate stockpile deficits, the long-term maintenance overhead of maintaining carrier presence near the Musandam Peninsula steadily erodes naval recapitalisation funds.

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