
General Atomics Aeronautical Systems, Inc. (GA-ASI) last month completed the final qualification test for its new Heavy Fuel Engine (HFE) 2.0 set to power the upgraded Gray Eagle (GE) 25M drone. Following the three-week qualification test for the 200-horsepower HFE 2.0 engine, GA-ASI said the next step is the Army certification process to also allow use of the engine on the service’s existing fleet of Gray Eagle Extended Range drones. “This test is the culmination of the extensive durability and…