Skyeton
Ukraine · Kyiv, Ukraine · founded 2006
Ukrainian aerospace company founded in 2006 as a light sport aircraft manufacturer, which pivoted to unmanned aerial systems after Russia's 2014 seizure of Crimea. Best known for the Raybird family of long-endurance fixed-wing reconnaissance drones, in Ukrainian Armed Forces service since 2018, including a hydrogen fuel-cell hybrid variant fielded in 2026 as one of the first hydrogen-powered drones flown in an active combat zone.