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Industrial Surge · Americas · Procurement

Boeing-Anduril Advance in Army's Mid-Tier Air Defense Interceptor; Lockheed Martin Also Selected for Phase 2

Boeing and Anduril advanced to phase 2 of the Army's competition to develop a second interceptor for its Enduring Shield air defense system, alongside Lockheed Martin; Rafael Systems was not down-selected. The new missile is intended to expand Enduring Shield's capability against cruise missiles, filling a mid-range air defense gap the Army has lacked since retiring Hawk systems in the 1990s.
AI synthesis, editor-reviewed · 1 source · September 11, 2026
Photo: The War Zone

Boeing's emphasis on modularity and open-architecture swaps (seeker, avionics, software blocks) is a direct response to the sustainment cost overruns that plagued Patriot and THAAD upgrades. If the design wins, the Army gains a mid-tier interceptor that can evolve without full redesign—a constraint Lockheed Martin's offering does not visibly claim. Anduril's role as motor supplier is the supply-chain wild card: if the solid-fuel production line is captive to Anduril's Irvine facility, production rates will be capped by that single node, a lesson the munitions surge has taught repeatedly.

WHY IT MATTERS

The Army is moving two competitors forward in a program that will define its air defense posture for the next decade—and both teams are betting on cost and modularity as the differentiator.

Enduring Shield is already operationally deployed in South Korea with AIM-9X Sidewinders; adding a cruise-missile interceptor closes a known vulnerability that Iran's recent drone and missile campaigns against Saudi oil infrastructure and US positions have exposed. The winner of IFPC Inc 2 Phase 2 will lock in production contracts likely spanning the 2028–2035 FYDP, which means the down-selection decision arriving now, ahead of any formal requirement lock, signals the Army is moving faster than the typical acquisition cycle. Watch the Phase 2 technical down-select in Q2 2027—the winner will have demonstrated producibility at scale and cost below Lockheed Martin's offering.

WHAT THIS DOESN’T TELL US

What is the cost target for the Boeing-Anduril design versus Lockheed Martin's, and does either team's approach rely on foreign components (Anduril's solid-fuel motor, for instance) that could face supply-chain delays?

Sources: The War Zone
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