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Defdex

Capability · Strike and munitions

Low-cost missiles

Missiles and rockets designed for lower unit cost and higher production rates than legacy designs.

Assessment

Case for · why it matters

U.S. missile inventories are thin and slow to replenish, and solid rocket motor supply has historically rested on two primary manufacturers and a single approved domestic ammonium perchlorate source. Startups are designing missiles for high-rate manufacturing and lower unit cost to deepen magazines.

Case against · the skeptic’s view

Most new entrants are pre-production: Galadyne is described as a long way from mass production, and even the Army's selected low-cost interceptor targets $150,000-$200,000 per round. Cheap guided rockets such as APKWS already fill part of the niche at under $40,000.

Who builds it1

Low-cost missiles: organizations by maturity
  1. Fielded0

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  2. Limited fielding0

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  3. Prototype1

  4. Development0

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  5. Research0

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  6. Concept0

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Placed by each organization's own maturity for this technology; TRL is self-reported or estimated, see confidence.

Breakdown4

Products8

Defender

Galadyne

Planned interceptor using the Striker launch vehicle with a liquid-propulsion exoatmospheric kill vehicle.

Concept

Freedom Eagle-1

AeroVironment

Solid-rocket counter-UAS missile (originally BlueHalo) for Group 2-3 drones with RF seeker and 20 lb warhead; Army NGCM winner.

Prototype

Hailstorm

Wardstone

Wardstone's interceptor product line: first described as a space-based interceptor that releases high-speed buckshot clouds against hypersonic missiles, later as a mass-producible modular interceptor including a ground-launched variant.

Development

Striker

Galadyne

Liquid-propellant medium-range strike missile launched from the Outpost containerized launcher; initial version planned as a test target vehicle. Reported goal of 1,000 km range with a 50 kg payload.

Development

Inputs it depends on2

Criticality is how much a shortage would constrain production; open an input for producers, concentration and trade controls.

Sources7

Profile6

  1. 1

    Tectonic · Jul 15, 2026 · Supports Technology, Technology · technology input:solid-rocket-motors

    “there have historically been just two primary manufacturers of 'em, L3Harris's Aerojet Rocketdyne and Northrop Grumman.”
  2. 2

    Tectonic · Feb 5, 2026 · Supports Technology

    “Galadyne is a long way from mass production, but the startup is taking things step by step.”
  3. 3

    Galadyne · Feb 3, 2026 · Supports Technology, Technology · technology input:energetic-materials

    “Missile inventories are shockingly thin, replenishment timelines stretch into years, and unit costs remain way too high.”
  4. 4

    Air & Space Forces Magazine · Dec 11, 2025 · Supports Technology

    “The laser-guided system costs less than $40,000 and has a per-shot cost of $24,900”
  5. 5

    The War Zone · Oct 22, 2025 · Supports Technology

    “The target unit cost is between $150,000 and $200,000, according to Noland.”
  6. 6

    DoD Office of Inspector General · Jul 9, 2020 · Supports Technology

    “The only DoD-approved domestic AP1 supplier is the American Pacific Corporation (AMPAC).”

Technologies1

  1. 7

    Castelion · Apr 24, 2026 · Supports Organization technology

    “Blackbeard is the first U.S. hypersonic system engineered from inception for industrial-rate output, commercial unit cost, and continuous flight test iteration.”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.