The Pentagon is implementing a dramatic course correction on missile defense procurement after years of purchasing key interceptors in relatively modest numbers, even as China built up the world's largest arsenal of conventional ballistic and cruise missiles and U.S. forces faced intensive demand for air defenses during the Iran conflict.
The Army's fiscal 2027 budget calls for a massive increase in purchases of Patriot Advanced Capability-3 Missile Segment Enhancement (PAC-3 MSE) and Terminal High Altitude Area Defense (THAAD) interceptors, part of a broader effort to rapidly expand a munitions industrial base that cannot be scaled overnight. The shift is particularly striking when compared with what the military was buying just years earlier.
What the Left Is Saying
Progressive analysts and Democratic lawmakers have raised questions about procurement oversight in light of the apparent shortage. Critics argue that Congress and the Pentagon should have anticipated the need for larger interceptor stockpiles given evolving threats, and are calling for hearings to examine decision-making processes over the past two decades.
Some progressive defense experts note that budgetary tradeoffs required difficult choices across multiple administrations. They argue that while air defenses are critical, the U.S. must also weigh investments in other national priorities alongside military procurement decisions. The focus should be on strategic prioritization rather than simply expanding production capacity without clear threat assessments.
Progressive voices have also emphasized the importance of examining what other programs were funded instead of interceptor stockpiles during periods of relatively lower demand, arguing that oversight hearings could help prevent similar shortfalls in the future.
What the Right Is Saying
Conservative defense experts and Republican lawmakers are largely supportive of the procurement surge, viewing it as a necessary response to growing threats from China and Iran. They argue that the U.S. cannot afford to be caught with insufficient air defenses amid escalating global tensions.
Retired Rear Adm. Mark Montgomery, a senior fellow at the Foundation for Defense of Democracies, told Fox News Digital: "The problem is 25 years of not buying enough munitions." He emphasized that the current production increase represents a critical step toward restoring deterrence capabilities against potential adversaries in the Indo-Pacific region and Middle East.
Republican strategists argue that previous procurement decisions reflected a misreading of threat trajectories. They contend that the Pentagon's course correction, including plans to procure 857 THAAD interceptors by fiscal 2027, demonstrates recognition that Chinese military buildup required a fundamental reassessment of U.S. air defense priorities.
What the Numbers Show
Budget documents show PAC-3 MSE procurement fell from 328 missiles in fiscal 2022 to 252 in fiscal 2023, 230 in fiscal 2024 and 214 in fiscal 2025. The same FY2026 budget book shows the Army Requirements Oversight Council increased its acquisition objective for the missile from 3,376 to 13,773 in April 2025 — more than quadrupling the requirement.
THAAD procurement was even smaller in prior years. The Missile Defense Agency bought 11 interceptors in fiscal 2024 and 12 in fiscal 2025. Its fiscal 2026 base request called for 25, while an additional $317 million in mandatory reconciliation funding added 12 more, bringing the total to 37 interceptors.
A Heritage Foundation analysis estimates annual production capacity at 620 PAC-3 MSE missiles and 96 THAAD interceptors. Reuters reported this week that the Army has used "virtually all" of its ATACMS and Precision Strike Missile inventories in just five months of conflict with Iran, while also drawing heavily on Patriot and THAAD interceptors.
The fiscal 2027 request marks a dramatic departure: responsibility for THAAD procurement shifted to the Army, which is requesting 27 interceptors through discretionary funding and another 830 through mandatory Munitions Acceleration Council funding — totaling 857. The fiscal 2026 request began moving higher, with funding for 320 PAC-3 MSE missiles.
The Bottom Line
The Pentagon's abrupt course correction raises a question that has taken on new urgency after years of missile-intensive warfare: Why did the U.S. wait so long to build deeper interceptor magazines? Jim Fein, a defense industrial base researcher at the Heritage Foundation, told Fox News Digital: "The shortage was entirely foreseeable, and there have been arguments surrounding interceptor and munition procurement numbers for decades. Ultimately, budgetary tradeoffs were made, and those arguing for other programs won out."
What happens next will depend on whether production capacity can be expanded quickly enough to meet the new acquisition objectives. Ordering thousands more missiles on paper is only the beginning — scaling up manufacturing takes time that may not be available if a conflict with a near-peer adversary materializes. Congressional appropriators will face pressure to fully fund the increased requests, while defense officials must work with contractors to accelerate production lines. The broader question of whether procurement decisions should change remains under debate as U.S. military planners reassess their approach to air and missile defense in an era of great-power competition.