Archer Aviation and Anduril Industries unveiled Thunder, a jointly-developed autonomous vertical takeoff and landing (VTOL) aircraft today, July 20, 2026, at the Farnborough International Airshow. - The platform, featuring a series hybrid-electric powertrain, is designed for both defense and commercial applications, with Anduril showcasing the defense variant, Thunder. - Archer plans to announce its first commercial partners for the platform later this week, driving significant investor interest and a 5.74% increase in the stock to $4.70.