Anduril Roadrunner

A reusable, jet-powered vertical-takeoff interceptor built to hunt drones at an order-of-magnitude lower cost than legacy missiles — and land again if the threat evaporates.

Overview

The Anduril Roadrunner is a modular, twin-turbojet autonomous air vehicle designed to give ground and naval forces a reusable counter-UAS and short-range air-defence option. Its high-explosive variant, Roadrunner-M, operates as a loitering interceptor: it can be launched on a threat cue, accelerate to high sub-sonic speed, destroy the target with a proximity-fuzed warhead, and — if no engagement is required — return to base, land vertically, and be refuelled for the next sortie. The system was developed internally by Anduril Industries, entered low-rate production for an undisclosed US customer in 2023, and was publicly revealed in December 2023 with hundreds of rounds already in production. The logic is economic: a Roadrunner-M costs roughly half a RIM-116 Rolling Airframe Missile and a fraction of an ESSM or SM-2, directly attacking the cost-curve mismatch of million-dollar interceptor versus thousand-dollar threat that the Red Sea drone campaign exposed.

Development

Roadrunner was Anduril’s archetypal product-company play — a two-year sprint from “napkin sketch” to operational validation, funded entirely in-house. The concept grew out of the company’s earlier Sentry-tower counter-UAS work for SOCOM and U.S. Customs and Border Protection, and the conviction that almost every expensive part could be made cheaper at scale. Proprietary fast-start turbojets, thrust-vectoring control, and carbon-fibre airframes were all developed internally to keep unit costs in the low hundreds of thousands of dollars. Full-size prototypes had flown extensive test campaigns ahead of the December 2023 unveiling, and a paying US customer — later identified through procurement records as U.S. Special Operations Command — had already placed orders. SOCOM paid $12.5 million for “Roadrunner CUxS Hardware” in December 2022 and requested a further $19 million in FY2024, making the system one of the earliest fielded components of the Pentagon’s accelerated counter-drone push.

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