The United States has burned through nearly two-thirds of its advanced long-range missile stockpile in the Iran conflict, leaving America’s Pacific defenses alarmingly exposed just as China eyes Taiwan.

Dangerous Depletion of Critical Missile Reserves

The United States military committed nearly its entire inventory of JASSM-ER missiles to the Iran campaign that began February 28, 2026, according to defense analysts and anonymous military sources. These advanced cruise missiles, designed specifically for penetrating sophisticated air defenses like China’s anti-access systems, represented a cornerstone of Pacific deterrence strategy. Of the pre-war stockpile of approximately 2,300 missiles, only around 425 remain operational worldwide after the decision in late March to reallocate Pacific reserves to Central Command operations. Joint Chiefs Chairman General Dan Caine confirmed the shift to shorter-range munitions like JDAMs and Hellfires due to strain on long-range stockpiles.

Iran Operations Expose Strategic Vulnerabilities

The air campaign against Iran revealed troubling limitations in American military capacity that should concern every taxpayer. Despite firing over 1,000 Tomahawk cruise missiles and between 1,500 to 2,000 additional munitions in the first five weeks, U.S. forces achieved only a 50 percent suppression rate against Iranian missile capabilities. Iran’s defenses proved far more resilient than anticipated, forcing continued reliance on expensive standoff weapons to protect American pilots. This operational reality contradicts decades of assumptions about U.S. air superiority and raises fundamental questions about readiness for conflict with a peer adversary like China, whose defensive systems are substantially more advanced than Iran’s.

China Positioned to Exploit America’s Weakness

Beijing has carefully observed the munitions depletion while simultaneously supplying drone components to both Iran and Russia, despite existing sanctions. Defense think tanks including the Center for Strategic and International Studies have modeled potential Taiwan conflict scenarios showing complete exhaustion of JASSM-ER stocks within 30 days of sustained operations. With current inventory depleted to roughly 425 missiles and production rates unable to match wartime consumption, analysts warn of a critical vulnerability window lasting three to four years. China’s strategy appears deliberate: allow American munitions to drain in Middle East conflicts while maintaining its own “precise mass” missile advantage for potential action against Taiwan when U.S. deterrence capability reaches its lowest point.

Production Gaps Threaten Long-Term Readiness

The fundamental problem extends beyond immediate shortages to America’s defense industrial base, which cannot rapidly replenish advanced weapons systems. Manufacturing JASSM-ER missiles requires specialized components, extensive testing, and significant lead times that prevent quick restocking even with emergency funding. This production bottleneck represents a systemic failure that leaves the nation vulnerable regardless of budget allocations. The Trump administration faces difficult choices: continue Iran operations risking complete Pacific exposure, or shift to less capable munitions that increase pilot danger. Meanwhile, allies including Taiwan and Japan watch nervously as the munitions meant to guarantee their security disappear into Middle Eastern operations, undermining confidence in American security commitments and emboldening adversaries.

Sources:

US diverts JASSM-ER missiles to Iran, risking deterrence vs China – Asia Times

US military unprepared for war with China – Responsible Statecraft

Iran’s Piracy, Shoot-to-Kill and Deterrence of China – Lexington Institute