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Thunder, a hybrid-electric, vertical-takeoff-and-landing rotorcraft. Photo: Courtesy Anduril Industries

Anduril Industries on Monday unveiled Thunder, a military variant of an autonomous rotorcraft jointly developed with Archer Aviation.

Why it matters: Thunder's reveal coincides with the first day of the Farnborough International Airshow in London, and its design appears to align with Project NYX, a British pursuit of robo-wingmen for Boeing-made Apache helicopters.