Anduril Industries, global industry experts in autonomous defense systems, has introduced Thunder, a Group 5 autonomous attack rotorcraft developed to extend the combat reach and increase the survivability of current and next-generation crewed attack and assault aircraft. Co-developed with Archer Aviation, Thunder is the defense variant of a new dual-use autonomous vertical takeoff and landing aircraft platform. It brings together tiltrotor technology, series hybrid-electric propulsion, modular payload capacity and Anduril Lattice autonomy software for attack aviation missions in complex, contested environments.

The proliferation of drones, loitering munitions, persistent intelligence, surveillance and reconnaissance systems, and increasingly accessible air defenses has made low-altitude operations far more dangerous for conventional attack helicopters and their crews. Thunder addresses this changing operational environment by carrying additional sensors, weapons and mission payloads into higher-risk areas while allowing crewed aircraft to remain farther from emerging threats.

Its tiltrotor configuration combines vertical takeoff and landing with efficient wingborne cruise, enabling runway-independent operations from austere and dispersed locations. A series hybrid-electric powertrain provides the range and endurance needed for extended missions, while Optimum-Speed Tiltrotors vary rotor speed throughout flight to improve efficiency, reduce fuel consumption and lower the acoustic signature during low-altitude operations. This combination of technologies gives Thunder the reach needed for global self-deployment. The aircraft can also be packed into a standard shipping container for transport by air, road, rail or sea, simplifying deployment across widely distributed operating areas.

Anduril Industries Thunder Group 5 autonomous attack rotorcraft developed to operate with crewed military aircraft. | Aerospace Technology Monthly

The Anduril Industries Thunder is a Group 5 autonomous attack rotorcraft specifically designed to multiply the combat power and survivability of current and next-generation crewed attack and assault aircraft.

In addition, an open architecture and modular internal payload bays allow Thunder to support precision strike, air-launched effects, maritime patrol, electronic warfare, counter-UAS protection and contested logistics missions. The main payload module can accommodate 10 air-to-ground missiles, including Hellfire, Joint Air-to-Ground Missiles or Anduril Barracuda-100M systems. Alternative configurations include 16 Altius-600 air-launched effects or 76 70 mm rockets. A separate nose payload module can carry an additional 12 counter-UAS effectors. The modular configuration also provides a more direct path for integrating future sensors, weapons and mission systems as operational requirements evolve.

Thunder is intended to operate in formations with crewed attack aircraft, increasing the number and variety of effects available without placing additional pilots in harm’s way. Pairing three Thunder aircraft with each Apache helicopter, for example, could provide a Combat Aviation Brigade with three times the available munitions of an exclusively crewed formation. Anduril Lattice for Mission Autonomy manages the formation behaviors, aircraft separation and flight logic required for collaborative operations. Rather than requiring pilots to control Thunder with traditional flight inputs, the software translates operator intent into route, timing, tasking and deconfliction decisions. This allows pilots to concentrate on mission priorities while autonomous aircraft maneuver with the formation.

Thunder’s multimodal machine-perception system combines passive and selectively activated sensors with onboard computer vision, map data and edge computing. These technologies enable the aircraft to detect, classify and track terrain, obstacles and threats while supporting visual navigation, inertial positioning and terrain-feature mapping. The integrated navigation and perception capabilities allow Thunder to remain operational when GPS, communications or visibility are degraded or unavailable. Lattice can also fuse sensor, threat and mission data from Thunder and other connected platforms into a shared tactical operating picture, helping the formation coordinate actions and respond to changing conditions in real time.

Anduril, Archer Aviation and their industry partners are using technologies developed through commercial VTOL, autonomous defense and advanced rotorcraft programs to accelerate the aircraft’s development. Multiple test flights have already been completed using full-scale surrogate aircraft, with Thunder’s first flight planned for 2027.

About Anduril Industries

Anduril Industries is a global defense technology company developing autonomous systems, software-defined platforms and advanced weapons for the United States and allied nations. Its portfolio spans autonomous air, land, maritime and undersea systems, counter-UAS technology, sensors, command-and-control software and solid rocket motors. Anduril Lattice connects sensors, autonomous vehicles and other mission systems to support coordinated operations across multiple domains. For more information, please click here.

About Archer Aviation

Archer Aviation develops aircraft and aviation technologies for commercial and defense applications. Its capabilities include electric and hybrid-electric propulsion, aircraft design, battery systems, advanced manufacturing and autonomous aviation technologies. Archer and Anduril jointly developed the dual-use aircraft platform underlying the Thunder defense variant and Archer Halo commercial variant. To learn more, please click here.

Source/Photo Credit: Anduril Industries

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Molly Bakewell Chamberlin
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