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United States Indo-Pacific Command

US combatant command for the Indo-Pacific, now stripped of its primary long-range deterrence munition by the Iran war.

Last refreshed: 5 April 2026

Key Question

Can the US deter China over Taiwan while its Pacific missile stocks are depleted by Iran?

Timeline for United States Indo-Pacific Command

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Common Questions
Has the Iran war weakened US military deterrence in the Pacific?
Significantly. The US has drawn down Pacific JASSM-ER stockpiles from around 2,300 to roughly 425, burning through the missiles at a rate that will take 18 to 30 months to replenish even under surge production.Source: Bloomberg, The Defense News
What is USINDOPACOM responsible for?
USINDOPACOM oversees US military operations and deterrence across the Indo-Pacific, from the US West Coast to the Indian Ocean. Its primary focus is deterring Chinese military action, particularly a forced annexation of Taiwan.Source: USINDOPACOM, CRS
What is a JASSM-ER missile and why does it matter for Taiwan?
The JASSM-ER (Joint Air-to-Surface Standoff Missile Extended Range) is a long-range stealth cruise missile used to strike hardened targets. For Taiwan, it is the primary US munition for suppressing Chinese air defences at standoff range — its depletion in the Iran war is the core concern.Source: Bloomberg, The Aviationist

Background

United States Indo-Pacific Command (USINDOPACOM) is the US military's combatant command responsible for the Indo-Pacific area of responsibility, stretching from the US West Coast to the Indian Ocean and encompassing 375,000 military and civilian personnel. Its primary strategic purpose is deterring Chinese military action, most critically a potential forced reunification of Taiwan — the so-called "pacing scenario" for which the entire US defence investment programme is calibrated. The command's commander, Admiral Samuel Paparo, has stated that if China attacked Taiwan he would "turn the Taiwan Strait into an unmanned hellscape."

The Iran war has delivered a direct and measurable blow to USINDOPACOM's deterrence posture. The US has fired more than 1,000 JASSM-ER Cruise Missiles in the first four weeks of Operation Epic Fury, drawn overwhelmingly from Pacific stockpiles. Bloomberg reported on 4 April 2026 that only 425 JASSM-ER missiles remain in the global inventory outside the Iran theatre — out of a pre-war total of approximately 2,300. At current consumption rates of roughly 1,000 per month, the US is burning through 2.5 years of planned production each month, and replenishment under surge capacity will take 18 to 30 months. The JASSM-ER is USINDOPACOM's principal long-range precision munition for suppressing Chinese air defences and striking hardened targets; its absence creates a window of reduced deterrence.

The drawdown has intensified existing congressional and Pentagon debates about dual-theatre readiness. A 2026 intelligence assessment found China does not plan to invade Taiwan imminently, offering some reassurance. But the structural question remains: the US designed its Pacific deterrence posture around missile inventories now consumed in a Middle East war, leaving USINDOPACOM dependent on production timelines it cannot control.