A US military plane soared over Florida's Eglin Air Force Base earlier this month and released a drone made by the defense tech giant Anduril Industries to test whether it could take flight and conduct surveillance.The drone – a winged model known as Altius – nosedived 8,000 feet into the ground, according to an Air Force test summary, reported here for the first time. Shortly afterwards, a second Altius drone spiraled to earth during a separate test, the summary said.Anduril has become one of