An XQ-58A Valkyrie low-cost unmanned aerial vehicle launches at the Yuma Proving Ground, Ariz., Dec. 9, 2020. (U.S. Air Force photo by Staff Sgt. Joshua King) Navy buying XQ-58A Valkyrie drones for ‘penetrating affordable autonomous collaborative killer’ initiative The Navy has awarded a $15.5 million contract to Kratos as it pursues new lethal drone technology. Jan 3, 2023 By Jon Harper