Technology & Science

US Shifts Bulk of JASSM-ER Stockpile to Iran Front

On 6 April 2026 the Pentagon ordered nearly its full inventory of long-range JASSM-ER cruise missiles moved from Pacific and other depots to CENTCOM and UK bases, after expending over 1,000 of the 2,300 missiles in the war’s first month.

By Priya Castellano

Focusing Facts

  1. Bloomberg says only about 425 serviceable JASSM-ERs—18 % of the pre-war cache—now cover every theatre outside the Middle East.
  2. Lockheed Martin can build 396 JASSM-ERs this year (maximum surge 860), so replenishing 1,000+ missiles fired would take 3–8 years at present capacity.
  3. US jets also fired 47 JASSM-ERs during the Venezuelan raid to seize President Nicolás Maduro, illustrating competing demands on the arsenal.

Context

Great-power arsenals have run dry before: in early 1942, the US Navy’s Mark-14 torpedo shortage forced rationing in the Pacific, while during Desert Storm 1991 the coalition fired 288 Tomahawks—half of America’s then supply—in six weeks. Today’s transfer echoes those moments, highlighting a century-long tension between high-tech, high-cost munitions and the industrial base that must sustain them. By stripping Pacific stockpiles, Washington signals that Iran now outranks China in immediate priority, but it simultaneously exposes the brittle ‘just-in-time’ approach to precision-guided weapons that has grown since the 1990s RMA era. If the conflict widens or drags on, the US could confront a WWI-style shell-crisis, accelerating a shift toward expanded production lines, allied co-manufacturing, or cheaper autonomous swarms. On a 100-year horizon, the episode may be remembered less for the missiles fired than for whether it catalysed a structural re-armament cycle—much as the 1905 Russo-Japanese War spurred global naval build-ups—or, conversely, underscored the unsustainability of attritional wars fought with exquisite weapons.

Perspectives

Western financial press

Bloomberg BusinessWarns that committing almost the entire JASSM-ER inventory to Iran could leave the U.S. short of long-range missiles for deterrence against peers like China, underscoring supply-chain and readiness risks. Focuses on defence logistics and market repercussions, reflecting a business-centric outlook that sidelines civilian casualties or moral questions about the war.

Indian mainstream media

News18, WION, Zee NewsDepicts the missile redeployment as a dramatic escalation with the United States preparing its "most lethal" weapons to bomb Iran "back to the Stone Age." Uses sensational language and extensive weapons specs that can heighten fear and anti-U.S. sentiment while driving reader engagement in a non-aligned media market.

Trade-dependent Asian policymakers

Singapore coverageSees the conflict chiefly through its impact on energy prices and trade routes, pressing the government on how to protect Singapore’s economy from Strait of Hormuz disruptions. By prioritising domestic economic stability, this angle may underplay humanitarian costs and avoid taking a stance on the war’s rights and wrongs to preserve diplomatic flexibility.

Like what you're reading?

Create a free account to read 5 articles every week. No credit card required.

Share

Related Stories