U.S. to Quadruple Production of PAC-3 - THAAD and Tomahawk Missiles After Iran Campaign.

President Donald Trump has directed major U.S. defense manufacturers to dramatically increase production of high-end missiles and interceptors as operations against Iran place pressure on American precision-strike inventories. The move reflects growing concern in Washington that U.S. “magazine depth,” the number of ready precision weapons available for sustained combat, could become a decisive factor in future conflicts with missile powers such as Iran or China.

President Donald Trump has pushed the largest U.S. defense manufacturers toward a fourfold surge in selected missile and interceptor production, a move aimed at restoring the magazine depth the Joint Force is consuming in the Iran campaign while preparing for a longer, more demanding contest against state missile powers. In his statement after the White House meeting, Trump said production of “Exquisite Class” weaponry would be quadrupled and added that expansion had already begun three months earlier. The statement named BAE Systems, Boeing, Honeywell Aerospace, L3Harris Missile Solutions, Lockheed Martin, Northrop Grumman, and Raytheon, while Lockheed Martin and Northrop Grumman publicly signaled support afterward. The real significance is not political theater. It is that Washington now appears to accept that industrial capacity has become a warfighting variable in its own right.
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Donald Trump orders a major surge in missile and interceptor production as operations against Iran strain U.S. precision strike stocks and expose gaps in America's war reserve (Picture source: U.S. DoW).

Donald Trump’s distinction between abundant “medium and upper medium grade munitions” and scarcer “exquisite” weapons is analytically important. The likely stress points are not generic bombs but the high-end missiles and interceptors that require complex seekers, propulsion, electronics, and precision assembly. That interpretation aligns with the Pentagon’s already announced framework agreements with Lockheed Martin and RTX, which focus on PAC-3 MSE, THAAD, Tomahawk, AMRAAM, SM-3, and SM-6 rather than on basic unguided ammunition. In other words, the administration is not merely asking industry for more metal. It is trying to deepen the U.S. inventory of the weapons that preserve access, protect bases and ships, and deliver first-wave precision effects against defended targets. That is exactly the class of munitions that becomes decisive in any sustained campaign against Iran and even more so in any future contingency involving China.

The most urgent Army-relevant systems are almost certainly PAC-3 MSE and THAAD interceptors. PAC-3 MSE uses hit-to-kill logic rather than blast fragmentation and is designed to defeat tactical ballistic missiles, cruise missiles, hypersonic threats, and aircraft. Lockheed Martin’s framework with the Pentagon is intended to lift annual PAC-3 MSE capacity from roughly 600 to 2,000 missiles over seven years, a dramatic increase for a round that sits at the core of U.S. and allied lower-tier air and missile defense. THAAD covers the upper layer, intercepting short, medium, and intermediate-range ballistic missiles inside and outside the atmosphere, and Lockheed has separately agreed to increase THAAD output from 96 to 400 interceptors per year. In operational terms, PAC-3 MSE protects the airfield, command post, logistics hub, or maneuver concentration under direct threat, while THAAD pushes the defended battlespace outward and buys commanders time, space, and survivability.

RTX’s portfolio reveals the other half of the surge. Its February framework agreements call for Tomahawk production above 1,000 rounds annually, AMRAAM at at least 1,900 per year, and SM-6 above 500, while also increasing SM-3 Block IIA and accelerating SM-3 Block IB output. Tomahawk remains the classic opening-night land-attack missile: low-flying, high-subsonic, networked, and now upgraded in Block V form with better navigation and communications, plus maritime-strike and improved warhead paths. AMRAAM is the air-superiority staple, an all-weather beyond-visual-range missile with active radar terminal homing that lets fighters engage multiple targets. SM-6 gives Aegis ships extended-range protection against aircraft, drones, anti-ship cruise missiles, and terminal ballistic threats, while SM-3 IIA is the higher-end exoatmospheric interceptor for medium and intermediate-range ballistic missiles launched from Aegis ships or Aegis Ashore. Together, these are the missiles that keep air corridors open, carrier groups alive, and regional bases usable.

How are they used in Iran? Publicly released Pentagon imagery already shows U.S. warships firing Tomahawk land-attack missiles in support of Operation Epic Fury, while officials say the campaign is focused on destroying Iranian offensive missiles, missile production, air defenses, and naval infrastructure. That means Tomahawk is plainly part of the strike package for fixed and relocatable military targets at depth. The defensive side is just as important. Even when not all missile types are publicly identified, the stockpile concern described by Bloomberg centers on Patriot-class and other defensive interceptors as Iranian missile and drone attacks drive repeated engagements over the Gulf theater. In practice, a campaign against Iran burns magazines from both ends: offensive missiles to suppress and dismantle the target set, and defensive interceptors to shield bases, ships, logistics nodes, and partner infrastructure from retaliation. That dual expenditure pattern is why stockpiles erode faster than public rhetoric usually admits.

This is the gap in the U.S. magazine that Trump is trying to close. “Magazine depth” is not an abstract budget phrase. It is the number of ready, usable precision rounds the force can fire and still retain for the next contingency. Army budget materials and Vice Chief of Staff Gen. James Mingus have both treated magazine depth as a central readiness issue spanning Patriots, long-range fires, Tomahawks, and SM-6. The Iran operation sharpens that problem because missile defense is a punishing consumption fight. A defender may need to launch one or more expensive interceptors against a single incoming ballistic missile, cruise missile, or drone, while the attacker imposes stress at comparatively lower cost. Once the U.S. begins replacing wartime expenditure, sustaining allies, and hedging against a second theater, the inventory gap becomes strategic, not just tactical.

The industrial response will depend as much on bottlenecks below the prime contractors as on the primes themselves. L3Harris is now central because solid rocket motors power many of the missiles in question, and the Pentagon has agreed to invest $1 billion in its Missile Solutions business ahead of a planned IPO. The company is expanding large motor capacity in Camden, Arkansas, where a 110-acre campus with more than 20 buildings is intended to increase large solid rocket motor output sixfold. That matters because rocket motors, seekers, castings, and energetics often determine throughput more than final assembly does. Boeing’s PAC-3 seeker work, Honeywell’s avionics and subcomponents, and Northrop’s broader role in advanced strike and propulsion ecosystems also point to a wider truth: quadrupling output will require a supply-chain mobilization, not just presidential pressure. And even then, the relief will not be immediate, because several of the announced arrangements are still framework agreements rather than fully funded production contracts.

This episode marks a shift from procurement as peacetime accounting to procurement as operational endurance. The weapons most likely to surge are the same ones that define whether U.S. and allied forces can survive under missile attack, hold regional air superiority, and strike defended targets without exhausting themselves in the opening weeks of a campaign. Trump’s statement may be imprecise, but the capability logic behind it is not. Iran has underscored that America’s problem is no longer simply inventing superior missiles. It is producing enough of them, fast enough, to fight tonight without emptying tomorrow’s war reserve. If Washington follows through with funding, factory expansion, and multiyear demand signals, this could become the most important U.S. munitions-industrial shift since the post-2022 stockpile shock. If it does not, the magazine gap exposed by Iran will remain a warning for every theater that follows.