3 times cheaper than Patriot? US firm Anduril unveils Steelfin interceptor
Anduril Industries has unveiled the Steelfin family of surface-to-air interceptor missiles, specifically crafted to meet evolving air defense requirements. These advanced interceptors efficiently neutralize threats such as drones and cruise missiles while maintaining cost-effectiveness. Their modular design allows for tailored configurations across diverse missions, streamlining production.…
US defence tech firm Anduril Industries has showcased its latest air defence system, Steelfin, a trio of surface-to-air interceptors aimed at providing a more affordable alternative to the costly Patriot PAC-3 MSE. The Steelfin family boasts a modular design, enabling versatile configurations tailored for various missions, potentially lowering production costs and boosting output.
Anduril is projecting a price point of roughly one-third the cost of the PAC-3 MSE, though independent verification of this claim is yet to be seen.
The escalating concerns over the exorbitant expenses and limited availability of air-defence interceptors have become a pressing issue for militaries worldwide, as they grapple with frequent drone and missile attacks. Traditional air-defence systems often resort to expensive interceptors to neutralize relatively cheap incoming threats, resulting in an unbalanced cost exchange for the defender.
This issue becomes even more critical during prolonged assaults, as rapid depletion of interceptors due to a high influx of drones and missiles can strain supply chains, particularly when production capacities are constrained and multiple nations vie for limited stocks.
The Steelfin family operates on a two-stage architecture, combining interchangeable solid-rocket boosters with a common second-stage terminal interceptor. This shared airframe, avionics, software, and flight-control system across variants allow for easy integration of different seekers and mission-specific components without the need for reengineering.
Anduril's announcement reveals that the Steelfin missiles are designed to operate alongside existing launch infrastructure, such as the M903A2, Mk 41 Vertical Launch System, and Typhon.
Ballistic testing using representative air vehicles has already been completed by Anduril, and the company anticipates commencing flight tests for the missile variants in 2027. Anduril aims to commence full-rate production by late 2028 or early 2029, contingent upon demand. The manufacturer specifies that Steelfin's speed can vary from supersonic to hypersonic, contingent upon the chosen booster, while its engagement range also depends on the specific configuration.
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