US Depletes JASSM-ER Stockpiles for Iran Conflict
Analysis based on 11 articles · First reported Apr 04, 2026 · Last updated Apr 05, 2026
The significant depletion of US JASSM-ER missile stockpiles for the Iran conflict raises concerns about the United States' readiness for other potential conflicts, particularly with China, which could negatively impact defense sector stability. Increased production orders for Lockheed Martin and RTX Corporation indicate a boost for these defense contractors.
The United States is committing nearly its entire inventory of stealthy JASSM-ER cruise missiles to its ongoing military campaign against Iran, drawing them from stockpiles intended for other regions. This redeployment leaves only about 425 JASSM-ERs out of a pre-war inventory of 2,300 available for global use. Over 1,000 JASSM-ERs were consumed in the first four weeks of the war, alongside hundreds of Tomahawk cruise missiles. The rapid consumption of these long-range precision weapons is straining US inventories, raising concerns about readiness for potential conflicts with advanced adversaries like China. Despite claims of degrading Iran's air defenses, the United States has lost an F-15E fighter jet, an A-10 attack jet, and over a dozen MQ-9 drones to Iranian fire. Iran has also launched thousands of ballistic and cruise missiles in the region. President Donald Trump has threatened to bring Iran 'back to the stone ages.' Lockheed Martin and RTX Corporation, key defense contractors, are increasing production of various missiles and interceptors to replenish depleted stocks.
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