The Trump administration’s Iran campaign has burned through two-thirds of America’s advanced cruise missile arsenal, leaving our Pacific forces dangerously exposed as China eyes Taiwan and calculates whether now is the moment to strike.
Critical Munitions Shortfall Emerges From Iran Campaign
The U.S. military committed approximately 1,900 JASSM-ER cruise missiles to Central Command operations against Iran since February 28, 2026, when Operation Epic Fury launched alongside Israeli forces. Joint Chiefs Chairman Gen. Dan Caine revealed in March briefings that the Pentagon redirected nearly the entire Pacific-allocated stockpile to support the Iran air campaign. Data from the Payne Institute shows forces fired 135 JASSM and JASSM-ER missiles in the operation’s first 96 hours alone. The 965-kilometer-range weapons proved essential against Iran’s stubborn air defenses, which U.S. forces could only suppress by approximately 50 percent despite weeks of sustained strikes.
Production Lags Create Strategic Vulnerability Window
Manufacturing capacity cannot match the consumption rates witnessed in Iran, creating what defense analysts describe as a three-to-four-year “missile gap” that Beijing could exploit. The JASSM-ER missiles feature stealth characteristics and 450-kilogram warheads specifically designed to penetrate advanced anti-access/area-denial systems like those China deploys around Taiwan. Gen. Caine acknowledged the strain by announcing a shift to shorter-range alternatives including JDAM guided bombs and Hellfire missiles, weapons that require aircraft to operate closer to enemy defenses. This tactical retreat undermines the standoff doctrine that has anchored U.S. air superiority planning since the 1990s, forcing pilots into higher-risk scenarios that increase vulnerability to enemy fire.
China Exploits American Distraction and Depletion
Beijing has carefully observed U.S. munitions expenditure while simultaneously supplying drone components to both Iran and Russia despite Trump administration sanctions efforts. Intelligence reports indicate China recognizes the strategic opportunity created by American arsenal depletion, with Taiwan defense particularly vulnerable. Center for Strategic and International Studies wargames conducted in 2023 demonstrated that defending Taiwan requires approximately 500 JASSM-ER missiles and exhausts that stockpile within 30 days of intense conflict. With only 425 missiles remaining across all global theaters, the U.S. lacks sufficient inventory to sustain even a month-long Taiwan defense scenario. This reality fundamentally weakens American deterrence credibility precisely when China continues its aggressive posture toward the island democracy.
Regional Allies Face Heightened Invasion Risk
Taiwan, Japan, and other Pacific allies now confront a dramatically weakened American deterrent umbrella at the worst possible moment. Foreign Policy Research Institute analyst Macdonald Amoah warned that exponential escalation in Iran could lead to total munitions depletion, effectively disarming Pacific forces. The Iran campaign has also consumed over 1,000 Tomahawk cruise missiles plus 1,500 to 2,000 additional munitions, straining multiple weapons categories simultaneously. Production bottlenecks mean replenishment timelines stretch years into the future, creating an extended vulnerability window. Gulf state allies have already experienced Iranian drone and missile strikes that U.S. forces struggled to fully intercept, demonstrating how inadequate current defense systems perform against the “precise mass” tactics that China has perfected and could deploy at far greater scale in any Taiwan scenario.
Iran Operations Expose Doctrine Failures
The difficulties suppressing Iranian defenses revealed troubling limitations in American military capabilities that would prove catastrophic against China’s far more sophisticated systems. Despite using standoff weapons extensively, U.S. forces achieved only 50 percent suppression rates against Iran’s missile capabilities, with Iranian forces maintaining resilient strike capacity throughout the campaign. Naval blockades proved porous, and ground-based air defenses failed to provide adequate protection against Iranian retaliation. Defense experts at Responsible Statecraft concluded that if Iran presents such challenges, China’s advanced anti-access systems would likely overwhelm current U.S. capabilities entirely. The standoff strategy that assumed long-range precision weapons could decisively defeat adversaries without ground engagement now appears fundamentally flawed when facing peer competitors with deep missile inventories and robust production capacity.
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