Anduril and Archer Unveil Dual-Use Autonomous VTOL Platform at Farnborough

Anduril and Archer Aviation revealed a jointly developed series hybrid-electric VTOL platform this afternoon at Farnborough, marking one of the most significant crossovers yet between commercial eVTOL technology and defense aviation.

The defense variant, named Thunder, is a Group 5 autonomous attack rotorcraft built to expand the combat capability of current and next-generation crewed attack and assault aircraft. Archer plans to announce commercial customers for its side of the platform later this week, positioning the aircraft as a genuine dual-use system rather than a defense program with a civilian afterthought.

Thunder is built on the same underlying platform Archer has developed for its air taxi ambitions. Anduril and Archer took the commercial eVTOL sector's recent advances in electric propulsion and rotor design and applied them to a clean-sheet military configuration. That approach lets Thunder inherit years of flight testing and manufacturing experience from Archer's commercial program instead of starting from zero.

The aircraft runs on a series hybrid-electric powertrain, which gives it strong range and endurance while allowing precise power optimization across different flight conditions. Its optimum-speed tiltrotors adjust RPM to stay efficient throughout each flight regime. This cuts power demand and fuel burn in cruise and reduces acoustic signature during low-altitude approaches, a meaningful survivability advantage for military missions.

Thunder's tiltrotor configuration pairs vertical takeoff and landing with efficient wingborne cruise. That combination gives operators runway independence for austere locations, without the range limitations that typically come with traditional rotorcraft.

“From raw performance to producibility, harnessing the best technologies from the commercial eVTOL market for defense is central to how Thunder will deliver operational value to our customers. The clean-sheet, dual-use platform that we’ve built with Archer truly represents a step change in capability,” said Shane Arnott, SVP of Maneuver Dominance at Anduril. 

The teams have already completed multiple test flights using full-scale surrogate aircraft, a key milestone ahead of Thunder's planned first flight in 2027. The surrogate testing lets both companies validate core systems before committing to a finalized production airframe, reducing risk heading into the certification and flight test phases ahead.

The partnership reflects a broader shift in how defense primes are approaching next-generation vertical lift. Rather than developing attack rotorcraft in isolation, Anduril is leaning on Archer's existing infrastructure, supply chain relationships, and flight test data from the commercial eVTOL space. For Archer, the defense contract diversifies its business beyond air taxi certification timelines, which have faced their own regulatory hurdles industry-wide.

With Thunder's first flight targeted for 2027 and Archer's commercial announcements expected within days, this unveiling signals that the line between commercial eVTOL and military autonomous rotorcraft is narrowing fast. Both companies are betting that the technology built for passenger air taxis translates directly into the next generation of unmanned combat aircraft.