Oklahoma-based Vigilant Aerospace has completed successful beyond visual line- of-sight (BVLOS) flight testing of its new FlightHorizon detect-and-avoid collision avoidance system for drones at the NASA Armstrong Flight Research Center in Edwards, California. The tests demonstrated the system’s ability to provide BVLOS flight safety for both small and mid-sized unmanned … [Read more...] about Another Step Towards BVLOS Flight: Vigilant Completes Testing at NASA Armstrong