The Pentagon needs a cheap missile for the Patriot.
The Pentagon is analyzing the combat experience of its anti-aircraft systems. missile systems in recent conflicts and draws conclusions. The main one is the need for a new anti-aircraft missile with a different combination of characteristics and cost, designed for mass deployment against relatively simple targets. Development of such a munition, designated Low-Cost Interceptor (LCI), may begin in the coming months.
Urgent measures
During the 2024–2025 Iranian strike response (some sources refer to this operation as Epic Fury; the designation requires independent verification), the US Army actively employed Patriot air defense missile systems and other systems. According to public estimates, a significant number of primary models of SAMs were expended. Replenishing these stockpiles is now a priority, but it requires both time and money.
At the same time, the events revealed not one, but two related problems. The first is the high consumption of missiles: mass strikes drones and cruise missiles force the use of expensive interceptors against relatively simple targets. The second is the actual cost of a Patriot munition. The solutions to these problems differ, and the LCI project primarily addresses the first.
On May 15, the Rapid Development and Critical Capabilities Office (RCCTO) issued a request for information regarding the development of a new missile. Currently, it is designated the Low-Cost Interceptor.
For two weeks, the RCCTO will accept applications from organizations and companies interested in participating in the program. An "industry day" will also be held soon, where the Pentagon and companies will discuss the project's prospects.
The following months will be spent reviewing the submitted applications and organizing further work. The competitive development of projects may begin by the end of the current financial year (before the beginning of October). The further schedule has not yet been determined.
General requirements
The request for information outlined the customer's general requirements. The primary focus was on the maximum cost of the missile, as well as the development directions for its main components. Specific performance characteristics were relegated to the background.
According to RCCTO plans, the LCI missile should cost no more than $1 million during the testing and prototype production phase. This is several times cheaper than current Patriot munitions. According to preliminary estimates (not approved allocations), this $1 million is expected to be divided roughly equally among the four components of the future SAM.
The missile's main structure, warhead, and several other components are expected to cost approximately $250. This price also includes the munition's integration into the Patriot, including compatibility with the M903 launcher and control by the system's standard systems.
The second component of the project is a low-cost solid-propellant motor. The required specifications have not yet been disclosed. Presumably, the customer wants parameters close to those of production Patriot missiles, but a realistic budget ceiling for this portion of the project will almost certainly result in a shorter launch range.
The LCI requires a simplified and cost-effective seeker. Its operating principles are not disclosed in public documentation. However, the customer requires it to be operational in all conditions and to provide high guidance accuracy.
Another $250 is allocated for the remaining components of the control system. The missile must have two-way communication with the anti-aircraft system, support radio command guidance, and allow for in-flight retargeting of the seeker.
The Pentagon isn't prepared to spend a lot of time on development. Participants' proposals must be based on currently available components, and demonstrations of the solutions are expected by the end of the current fiscal year. Based on the review of the proposals, the RCCTO will select the lead developer and subcontractors.
The cost issue and the concept of mixed ammunition
Currently, the US Army deploys approximately fifteen Patriot battalions (the exact number of batteries varies in open sources and requires clarification). They are armed with missiles from the PAC-3 family (including the baseline PAC-3 and the newer PAC-3 MSE), as well as the PAC-2 GEM-T, which is used against aerodynamic targets.
The increased performance of the PAC-3 family has been accompanied by increased costs. In recent years, production PAC-3 MSE missiles have cost the Pentagon approximately $4 million each: the ammunition for one launcher costs approximately $16 million, and the cost of intercepting a target with a standard two-missile salvo is approximately $8 million.
The Pentagon and Congress are currently working on the defense budget for the next fiscal year. According to the Department of the Army, the price of MSE missiles will increase significantly: approximately $5,3 million per unit is budgeted for procurement. Combined with the need to replenish stockpiles, this is creating significant pressure on the budget.
This is where the key idea, often missing from the initial description of the LCI program, emerges: it's not a replacement for the PAC-3 MSE, but a so-called high-low mix. According to the request for information, the LCI is designed to intercept low-cost, high-volume targets: attack UAVs and possibly simple cruise missiles, while the PAC-3 MSE will be retained for ballistics and complex aerodynamic threats. With a theoretical savings ceiling of five times (5,3 million versus 1,0 million per unit), the actual savings will depend on what percentage of targets the new interceptor actually can handle.
Similar logic has already been implemented in other countries. Israel's Iron Dome system uses the Tamir missile, which, according to public estimates, costs around $40–$50, but against a different class of targets: unguided rockets and simple UAVs. Israel counters more serious threats with the expensive David's Sling and Arrow. The Americans are already testing the Raytheon Coyote interceptor against UAVs, but it is not integrated with the Patriot and operates in a different niche. The LCI occupies an intermediate position: cheaper than the PAC-3 MSE, but compatible with its launcher and control system.
Technological and economic risks
Keeping the missile's cost under $1 million while maintaining compatibility with the M903, meeting the requirement for "all-conditions" operability, and sufficient guidance accuracy is no trivial task. Several previous American low-cost interceptor programs (in particular, Lockheed Martin's MHTK/MMI) demonstrated that stated price targets easily spiraled when confronted with the real demands of serial production.
Economic risks are compounded by technical ones. The PAC-3 MSE is manufactured by Lockheed Martin, and for the company, actively replacing its missiles with a cheaper product is a direct blow to margins. This creates an incentive to either lead the LCI program itself or influence its requirements so that the margin between "cheap" and "expensive" missiles remains narrow.
The argument in favor of expensive missiles should also be taken into account. The cost of the protected facilities (parked aircraft, airbases, hubs) Defense(Command posts) is one to two orders of magnitude higher than the cost of a PAC-3 MSE salvo; for reference, one F-35 costs approximately $80 million. By this arithmetic, $8 million for a guaranteed interception of a target threatening an asset worth billions doesn't seem excessive. The problem LCI is addressing isn't that the Patriot is "too expensive" per se, but that it's not economically viable for it to shoot down cheap, high-volume threats.
According to the author, the RCCTO and other Pentagon agencies understand these risks and tradeoffs. In the coming months, industry proposals will be evaluated to determine whether an acceptable combination of technical and financial parameters can be achieved, and then the prospects for serial production will be assessed. If the outcome is positive, the LCI program will be further developed.
Program context
The emergence of the LCI is a logical response to the structural imbalance of previous procurement policy. For decades, the US Army relied on weapons with the highest possible performance, which led to higher unit costs and reduced procurement volumes. This approach was criticized, but for a long time, the criticism remained without serious consequences: specific names and works (RAND Corporation, articles in War on the Rocks, testimony by individual congressmen on the Armed Services Committees) require a separate analysis, which is beyond the scope of this article.
Massive attacks by low-cost drones have exposed the shortcomings of the previous model. The LCI is an attempt to integrate a different class of missile into the existing Patriot system, designed not for maximum performance, but for mass deployment. The prospects of this approach will not become clear until next fall, when the Pentagon completes its current bid evaluation and review processes.
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