Boeing and the Royal Australian Air Force MQ-28 Ghost Bat unmanned aircraft. Boeing’s MQ-25 TI prototype unmanned aerial refueling aircraft is behind the MQ-28 at a hangar at MidAmerica St. Louis Airport, Sick. Photo: Cal Biesecker
MASCOUTAH, Sick.—Boeing [BA] is conducting a test program within the U.S. with a mostly secret unmanned aircraft being developed with Australia’s air force, marking the primary time the stealthy loyal wingman combat system has been delivered to the country, company…