Skydio’s X2 drone is aimed at enterprise and military customers. | Image: Skydio Skydio has become the first US dronemaker with a valuation of more than $1 billion, a signal of deeper investment in American-made drones after the US government blacklisted Chinese manufacturers. The California-based Skydio raised $170 million in a Series D funding round led by VC firm Andreessen Horowitz, as first reported by The Financial Times. Skydio’s drones are best known for their self-flying tech, which allows the aircraft to autonomously navigate obstacles and track users on the ground.