Science & Tech · Space · 4 hrs ago
Anduril develops modular interceptor missile family for US air defenses
Anduril is developing Steelfin, a family of interceptor missiles for US air defenses.
The company says the missiles are designed to counter different threats while helping the military avoid using its most expensive weapons against cheaper targets.
Steelfin uses a shared design, with different first-stage boosters and modular equipment to suit different missions.
Anduril says this approach could make the missiles cheaper and easier to produce in large numbers, but it has not given prices.
The company plans to make several thousand variants a year in the near term, depending on production readiness and demand.
Steelfin is designed to work with launch systems and fire-control software already used by US forces.
Anduril has completed ballistic testing and plans to begin flight tests in 2027; those tests will help show whether the missiles can perform reliably.
Anduril is developing Steelfin, a modular interceptor missile family intended to help US forces counter aerial threats.
The design uses a shared missile architecture with interchangeable boosters and mission components for different defense needs.
Anduril says common production equipment and flexible suppliers could support production of several thousand variants annually in the near term.
Steelfin is intended to work with existing US launch systems and fire-control software.
Anduril has completed ballistic testing with representative air vehicles and plans to begin flight tests in 2027.
- Who
- Anduril is developing Steelfin for the US military.
- What
- A modular interceptor missile family designed for multiple air-defense missions.
- When
- Anduril announced Steelfin on October 12, 2026; flight testing is planned for 2027.
- Where
- The system is intended for US air defenses and existing US launch platforms.
- Why
- To provide a more affordable way to counter varied aerial threats and reduce reliance on costly interceptors.
This story does not have two clearly opposing sides.
Anduril announced Steelfin as a modular interceptor missile family.
Anduril completed ballistic testing with representative air vehicles.
Anduril plans to begin flight testing Steelfin variants.
- Missile family
- Steelfin
- Annual production plan
- Several thousand variants in the near term
- Intended launch platforms
- M903A2, Mk 41 Vertical Launch System, and Typhon
- Supported fire-control systems
- AEGIS and Integrated Battle Command System
- Planned flight testing
- 2027
What people are saying
Today’s missile defense model does not scale.
The modern fight demands an interceptor that can match cost and capability to threat.
Posts on X
Today’s missile defense model does not scale. The modern fight demands an interceptor that can match cost and capability to threat. Introducing Steelfin.
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