Maximum Pressure on Iran Will Fail: Trump’s War Has Brought American Strategy to a Dead End

Foreign Affairs | Nate Swanson

President Donald Trump launched a combined military campaign and economic blockade against Iran in 2026 to force regime change, but six months of hostilities have brought Washington’s strategic posture to a dead end. Despite sustained airstrikes targeting Iranian infrastructure and command echelons, Tehran preserved its missile and drone arsenals, successfully throttling maritime traffic through the Strait of Hormuz and driving up global energy prices.

This operational resilience exposes fundamental limitations in the historic American reliance on coercive pressure and economic sanctions. Tehran’s willingness to absorb civilian suffering while avoiding a U.S. ground invasion has effectively inverted the escalation calculus, demonstrating that coercive threats lose leverage when adversaries can impose reciprocal economic costs. Furthermore, Washington’s unilateral waivers issued without structural nuclear concessions demonstrate how maritime choke points can undermine long-standing embargo mechanisms. Consequently, future U.S. administrations cannot revert to traditional containment playbooks, forcing a broader re-evaluation of Middle Eastern force presence and diplomatic strategy.

Comment

Iran's integration of shore-based missile batteries around the Strait of Hormuz fundamentally alters force projection dynamics against non-peer naval forces. Distributed anti-ship cruise missiles and uncrewed aerial systems permit persistent threat vectors against commercial shipping through the Strait of Hormuz without necessitating conventional fleet engagements. This operational posture forces U.S. Navy carrier strike groups to operate outside preferred tactical ranges, neutralising carrier-borne F/A-18 aviation effectiveness while escalating defense-to-offense cost ratios for Aegis-equipped destroyers protecting commercial sea lines of communication.

During Operation Praying Mantis in 1988, the U.S. Navy successfully crippled surface combatants of the Islamic Republic of Iran Navy using concentrated naval surface gunfire and AGM-84 Harpoon anti-ship missiles. Modern Iranian uncrewed saturation tactics degrade that traditional surface warfare advantage by replacing high-value naval hulls with low-cost platform salvos. Consequently, the surface warfare dominance demonstrated by U.S. Navy combatants during Operation Praying Mantis no longer guarantees command of the Strait of Hormuz against shore-based missile salvos.

Strategic Question for Discussion

Which factor poses a greater operational barrier to securing commercial shipping through the Strait of Hormuz — the magazine capacity limits of Aegis-equipped destroyers against uncrewed aerial salvos, or the strategic risk of striking shore-based missile batteries inside Iranian territory?

The primary operational friction lies in the magazine exhaustion of Aegis air defense combatants, as interceptor burn rates against low-cost uncrewed aerial systems quickly surpass shipboard replenishment capacity. While striking shore-based launch infrastructure presents severe geopolitical escalation risks, tactical naval forces facing continuous saturation salvos inevitably exhaust SM-2 and SM-6 inventories faster than regional supply lines can sustain.

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